ONGC conducted the written test for the post of GT(graduate trainee) on
04 Nov 2012 . The short review of the paper is given below. For the next round
1:3 ratio candidates will be selected for the interview in various disciplines according
to their respective vacancies. The
result of the test will be announced in the last of week of December or latest
by January.
3) Electrical click here
4) Programming click here
5) Civil Engineering click here
And others……………
General awareness answers:
1- icc emerging palyer- sunil nariana
6- supreme court judiciary article-137
13- . One long on Parliament and President
15-. Chilka Lake- Orissa and other Lake
16- Sierra leone africa
Thanks
Anurudh Tiwari
The review of the paper is given
below. The duration of the written test was 3 hours consisting 150 questions.
The question paper has no negative marking.
There is no sectional cut-off.
Technical
questions
|
Non
technical questions
|
||||
General Studies
|
Quantitative
aptitude
&
Logical
reasoning
|
English
|
|||
No of questions
|
80
(80 Marks)
|
40
(40 Marks)
|
24
(24 marks)
|
6
(6 marks)
|
|
Total
|
150 questions
|
3 hours
|
|||
Non technical questions
A)General
awareness- This section of the paper consists
the general awareness questions related to History, Geography, Life Science,
Economics, political science and Current awareness.
Review-
this section experienced with some difficult
questions as the reviews of a span of the students. The question related to the
life sciences have more weight age than other one. But questions are no easy.
รจ few
questions are of matching types and others are multiple choice questions.
1 . ICC prestigious award
2. GSAT-70
3. Badami Caves in whose Regime
4. National Glag of india beared by whom at closing of London Olympics.
5. One book The Partition of india, written by whom(I dont remember exact name)
6. Book Innihilation of Castes written by whom
7. Matching like Kandla port where etc...
8. Writ or order which article of constitution
9. CAG in which article of Constitution
10.khaira disease in rice due to deficiency of which?
1 . ICC prestigious award
2. GSAT-70
3. Badami Caves in whose Regime
4. National Glag of india beared by whom at closing of London Olympics.
5. One book The Partition of india, written by whom(I dont remember exact name)
6. Book Innihilation of Castes written by whom
7. Matching like Kandla port where etc...
8. Writ or order which article of constitution
9. CAG in which article of Constitution
10.khaira disease in rice due to deficiency of which?
And some other
questions like above.
B)- Technical section for the respective discipline
consists of the 80 question having the weight age of the 80 marks. The section
are not difficult but vary by discipline by discipline.
2)
Mechanical click here
3) Electrical click here
4) Programming click here
5) Civil Engineering click here
And others……………
C)- Aptitude section-:
This
section is not very difficult and experienced easy as compared to the general
awareness section which consists some difficult questions.
The questions in this section is normal
aptitude questions from the different sections as time distance, profit-loss,
work-time, probability and some others as asked in
the PSU’s Exams .
Cut-off-:
Paper have no negative marking so the cut off
will be higher than as usual. But general awareness questions have some
difficult questions it reduces the cut 0ff by 5 marks as expected. And dependent
of the discipline the cut off will vary according to their vacancies and level
of the technical section.
Expected
cut offs
Mechanical-
65-90
Electrical
70-100
Electronics
75- 100
Programming
75-100
This
cut off is just expectation of the few candidates not an actual data.
Please
write your on cutoff in the comment line.
You
can write here any query in this post. Your suggestions are invited if you
have. And also if you want to remove or add some contents in this page please
write us at anurudhtripathi@gmail.com.
Review by Readers:-
General awareness answers:
1- icc emerging palyer- sunil nariana
2- Badami Caves in whose Regime?-- chalukya
3- National Glag of india beared by whom at closing of London Olympics-mary kom
4- Book Innihilation of Castes written by whom-.B.R Ambedkar
5- kandla port-gujarat
7- cu-87%,tin-10%,and lead-3%........ BRONZE
8- khaira disease in rice due to deficiency of which?- zinc
9-CAG in which article of Constitution?- 148
10- One book The Partition of india, written by whom?- manto
11- Writ or order which article of constitution?- article 32
12. vice president election can be challenged before - Supreme Court of India
13- . One long on Parliament and President
15-. Chilka Lake- Orissa and other Lake
16- Sierra leone africa
17- shakespear play-hamlet
18 Nam summit-iran
19-body mass index-square of the height
20-Which of following carries oxygenated blood tp heart (right/left auricle/ventricle)
21- covalent bond -metal
22- Two continent city- Istanbul
23-microorganism causing food poisoning is butulism.
24-Ants go in line_-- nzymes
25- Glass etching done by : hydroflouro acid
26- blue vitroil-Copper Sulphate
27- highest cholestrol in which?- HDL
28- widal test is conducted for diagnosis of typhoid.
29-President election by:50 proposer-50 selector
30-Star moving away from earth,wavelength: increase
31-Which is largest producer of uranium :kazakistan
32-Negative service tax: no tax is levied
33- Employment scheme 2005:Mahatma Gandhi nation rojgar guarantee scheme
34- Order of precedence: supreme court,union minister,cabinet secretay,chief election commisiioner
35-Who was inspired by gitanjali :keats
36-President ordinace valid for:6 weeks
37-Which is not an epic:ramayan,mahabharat, beuwolf,canterburry tales (cant .tales
38-
39-
40-
APTITUDE ANSWERS-
1.question of angle-48
2.contractor related problem-2yrs2months
3.problem related with distance -25km
4.questions related to find min. amt of money-2100
5.problem related to find time taken by ball from plane at speed700km/hr at 1000mts high.
31-Which is largest producer of uranium :kazakistan
32-Negative service tax: no tax is levied
33- Employment scheme 2005:Mahatma Gandhi nation rojgar guarantee scheme
34- Order of precedence: supreme court,union minister,cabinet secretay,chief election commisiioner
35-Who was inspired by gitanjali :keats
36-President ordinace valid for:6 weeks
37-Which is not an epic:ramayan,mahabharat,
38-
39-
40-
APTITUDE ANSWERS-
1.question of angle-48
2.contractor related problem-2yrs2months
3.problem related with distance -25km
4.questions related to find min. amt of money-2100
5.problem related to find time taken by ball from plane at speed700km/hr at 1000mts high.
Please write here if you have more questions or want to add/ modify on any answer.. and also try to share the aptitude and technical questions also.. thanks
Thanks Note-
- It was a time when after giving the i am searching the questions's answer. but i able to get those few questions answer which i have remembered that is max 40-50%. then i think that idea to write the blog to possible to these things. because when we are going to exams we searching the previous years paper and after spending the lot of time we are not able to get any correct data. i think that this will help the new comers for the next years. and also helpful for the matching the answer. and this seems to be possible with help of all of you who contribute to share your idea for grown up my idea. i am thankful to all of you. if you want to share anything through this blog please write us. i will add you as AUTHOR.Thanks
Anurudh Tiwari
ece cutoff could be around 85-90...
ReplyDeleteee cut off around 90...
Deleteplz write aptitude qstn s...???
ECE cut off more than 100
Deletetechnical section
ReplyDeletethis section had abundance of questions from communication(mobile n digital),microwave,waveguides n 8086.weightage from
popular topics like analg,control,n/w,edc were low.this paper looked more like bel one rather than other psu's.i can't say abt others but if i have to prepare for a psu the topic which i would go for at the end would be communication,antenna,8086 etc. coz usually question from these topics don't come too often.although most of the questions were theoritical but some the options seemed really close.i would also be disappointed at noot seeing analog n n/w.so overall i can assess that technical can't be seen as easy walkover although some who have gone through stuff like comm.,antenna,8086 would find it moderate.so if some1 scores around 60(75%),i would say it is a very good performance.
general awareness
well this section was what i should say pretty nerdy.some real strange question like tagore n shakespaere 1 but that's gs afterall.20+ score would be good one n 25+ would mean that person had devoted good time to gs.
reasoning and english
most of the reasoning question were easy but some were real hard nut to crack.out of 24 question atleast 15-16 would be really easy and around 4-5 would be moderate with few tough questions.good score here would be around 20+.
english passage can't be seen as an easy 1.few questions were really tricky as several options could have been the ans. so here 4+ would be a good performance
overall 24+ in reasoning and english would be a good performance.
great job! thanks gaurav providing a most valuable data....
Deletecut off n result will be later,
ReplyDeletemeanwile
please discuss about some ans.....
plsa discuss general awareness answers friends
ReplyDeletediscuss all GK questions plz..
ReplyDeletesome of them i remember
1. ICC prestigious award
2. GSAT-70
3. Badami Caves in whose Regime
4. National Glag of india beared by whom at closing of London Olympics.
5. One book The Partition of india, written by whom(I dont remember exact name)
6. Book Innihilation of Castes written by whom
7. Matching like Kandla port where etc...
8. Writ or order which article of constitution
9. CAG in which article of Constitution
10.khaira disease in rice due to deficiency of which?
wat about finance paer, any feedback?? i did around 55 correct, rest not sure
ReplyDeleteicc-sunial narine
ReplyDeletegsat-ol r correct
badami-chalukya
flag in london-mary kom
inhilation of casts-b.r ambedkar
kandla port-gujarat
supreme court judiciry artcicle-137
cag articale-148
khaira-zinc
please write your name. so that if any one can ask your doubt easily..
Deletesatish.......sathib9@gmail.com
Deletei dont remmbr questoins bt my gk n apti was gud around 50-55/70 for sure bt tech doublt...
please post questionns
1. highest cholestrol in which?
ReplyDelete2. blue vitroil
3. dam and river was mentioned, like mahandi, satluj etc. which was not matched correctly
icc ws virat kohli
ReplyDeleteGSAT 70 wle me 101 wala wrong tha
writ or order k rticle 32 hai
except for these three, wat ever u hve mentioned are correct
ya right, please mention ur name as well...
Regards,
Rahul Soni
blue vitroil-Copper Sulphate
ReplyDeleteRahul Soni
This comment has been removed by the author.
ReplyDeleteepic- tales
ReplyDeleteshakespear play-merchan
non aligned moment summit -iran
covalent bond -metal
body mass index-square of the height
oxygenated blood in heart-
post more question plzzzzzzz
Deletehii what about cut off
ReplyDeleteicc emerging palyer-sunil nariana
ReplyDelete(http://en.wikipedia.org/wiki/ICC_Awards)
Highest cholestorl_HDL
Glass can be etched by hydrofluorosilic acid
Question was ICC Prestigious award given to whom.
ReplyDeleteSee below link
http://www.successcds.net/currentaffairs/tag/icc-awards-2012
Rahul Soni
1. vice president election can be challenged before - Supreme Court of India
ReplyDelete2. One long on Parliament and President
3. Chilka Lake- Orissa and other Lake
4. Sierra Leone africa
rahul Soni
guys almost 25 covered in 40 gk,
ReplyDeleteso pls do share ur questoins
And ANURUDH pls do consolidate all..
SATHI
thanks SATHI,
Deletei will give the final answer after getting few more questions.
Two continent city_Istanbul
ReplyDeleteFood Poisoning Acid_?
Ants go in line_ Enzymes
Nagarjuna Sagar Dam_Caveti(wrong)..._Krishna(Right)
SATHI
Cu,Tin composition_Bronze
ReplyDeleteSathi
copper, tin and zinc tha ya bronze tha?? what was its answer?
ReplyDeletecu-87%,tin-10%,and lead-3%........
ReplyDeleteAns is BRONZE
Sathi
ans is gun metal
Deleteuranium ound in
ReplyDeleteabove mentioned ques no. 6,
ReplyDeletearticle 137 wala, could anyone plz tell me more abt dis question...actually m not able to recollect it..
under article 137 ,SC will resolve the disputes against vise president election
Deletewrong
Delete1.what are services in the negative list of finance ministry?
ReplyDelete2.min. no. of resources in a 3 process system to avoid race condition?
3.top down parser.
4.time complexity of merge sort.
5.representation of FFH.
6.mineral mostly found in sourthen most part of india.
7.one related to ghandhi..can't remember
top down parser! wat s dis pls?
ReplyDeletesorry ... it was a question of programming section.
Deleteanyone appeared for finance stream? wat abt its expected cut off?
ReplyDeletewidal test
ReplyDeletefasting blood sugar
seven sisters
preZ selection 50-50 proposers and seconders
utkarsh
widal test me options kya kya thi?
ReplyDeletewhat about techanical questions
ReplyDeletethere is a rumour that ELECTRONICS and E&T papers were different..is it true?
ReplyDeleteyes there is two paper
Delete1.electronics(easy)
2.electronics and telecommunication(little bit tough)
doesnt seem so
ReplyDeletewidal test is conducted for diagnosis of typhoid.
ReplyDeletemicroorganism causing food poisoning is butulism.
hamlet is the novel in which there is death by poisoning.
manto is the author of partition of india.
in aptitude section
ReplyDelete1.question of angle-48
2.contractor related problem-2yrs2months
3.problem related with distance -25km
4.questions related to find min. amt of money-2100
5.problem related to find time taken by ball from plane at speed700km/hr at 1000mts high.
contractor problem- 2years 9 months
DeleteELECRONICS CUT OFF MORE THAN 100 FOR GS
ReplyDeletemax marks in gs is 40 lol
Deletegeneral category cut of 100
Deletein 150 max 100 cutoff cant possible it wud be 75-95.
Delete1. Badami caves built by :chaulkyas
ReplyDelete2. Which statement in correct for GSAT 10 :launched by atlas-5(actually ariane 5)
3. Olympic 2012 closing ceremony indian flagbearer : Mary kom 0
Tweet 0
4. Nam summit: Iran
5. Employment scheme 2005:Mahatma Gandhi nation rojgar guarantee scheme
6. Vice president election can be disputed in:Supreme court
7. Glass etching done by : hydroflouro acid
8. Incorrect Matching of dams: 1.nagarjun dam on cauvery(is actually on Krishna) 2.hirakud dam on Mahanadi 3. Bhakranagal on Sutlej 4. One more on godaveri
9. Ants follow a line due to secretion of :pheromone (a type of hormone)
10. Duties and power of CAG :article 149
11. Writ :article 32
12. Order of precedence: supreme court,union minister,cabinet secretay,chief election commisiioner
13. Speech on Annihilation of caste:B.R.Ambedkar
14. Who was inspired by gitanjali :keats
15. Which is not an epic:ramayan,mahabharat,beuwolf,canterburry tales (cant .tales)
16. Which of following carries oxygenated blood tp heart (right/left auricle/ventricle)
17. Food poisoning bacteria: collistridum botullim
18. Khaira diese : deficiency of zinc
19. Match on port of india like pradip port,etc
20. Match on place like national cellular jail,chilka lake, one fort,etc
21. Arrange the Speed of ram, floppy ,harddisk,cache
22. WIDAL test for:typhoid
23. President ordinace valid for:6 weeks
24. President election by:50 proposer-50 selector
25. Fasting blood sugar level for: diabetes
26. Mineral found in cape comrin of which india is one of the largest producer (lignite,bauxite,etc ?)
27. Chemical compositonis of:brass,bronze,gunmetal?
28. Star moving away from earth,wavelength: increase
29. Which city is situated pn two continents?istambul
30. Which is largest producer of uranium :kazakistan
31. One question on seirre lion
32. Emerging cricketer by icc :sunil nareine
33. Negative service tax: no tax is levied
34. Which shakespear play poison was used:Hamlet
thanks for giving more information. please write your name. so the readers able to ask your doubt..
Deleterohan
Deletethanks a lot rohan i have shared technical question here please have a discuss or u can approach me on mukesh.nitsilchar@gmail.com
DeleteGuys discuss technical paper also.........
ReplyDeleteeg. which waveguide has max attenuation , micro processor problems before they skip from our mind
Ashish
finance paper was bit easy. easily attemptable...i did atleast 55-60 right. wat abt u guys???
ReplyDeleteRahul Soni
thats good.. paper was little tricky n conceptual... options were closed too. 55-60 is good to score.
Deletecut off will be around 62-64 %
ReplyDeleteCan anyone say the answer keys of the passage...I did one c,one B and rest are A..............
ReplyDeletePlease write questions and answers of aptitude section.
electronics cut off???????????????
ReplyDeleteBHAI ,HAL ki koi jankari hai kya??????
ReplyDeleteelectronics ki kitni seats hogi???????
is there anybody from hr???????????/
ReplyDeleteAngle : 48
ReplyDeleteFree fall bomb : 14 sec
Statements : Both I and II required to reach conclusion
One series that i remem : 1 3 7 11 21 43 85 >>> In this series third term is rong...it should b 5 ...then acc to this ans series is 4 9 17 35 69 139 277 and askd wr (f) i.e. 277
anothr series someone already mntioned in previous post
Probability : 1/6 (jst because it ws cleary mntnd that one 1st dice multiple f 2 and 2nd dice multiple f 3 ) othrwise answr cud b 11/36
Number of Coaches : 49 ..... dv=k(root-number of coaches)
Dhoni qn : 29
Bird qn : 100 meters
relationship qn 1.) Highest and lowst : V and U
2.)2nd postion : W
Books qun :1.) 5 books
2.) 26th book( if i remem corrctly the figure numbr)
3.) 15th from right
4 Venn diagram qun( So hard to rem exact ans.....But it ws damn easy....last ans i remem i guess its 1 ...)..
1 Decoding qun ws also easy
Construction cost.....2 yrs 9 mnths...
1 relatnshp qn : brother in law.....( This qn ws there or nt.....hehehe...or i got this frm sum othr universe)............
Bt please cn sumone tell ans fr sweets qun : 1575 or 2100 (eehhhhhh...this qn.....m nt able to crackk......
Can you say the passage answers???
DeleteIt's difficult to remember the questions.I did three questions=option A and rest two B.....Am I correct????
Bird question's answer was 200 metres not 100 metres.
Deleteno it is 100,both the cars travel 50m each in one hour total 100m,bird travel 100m in one hour.
Deletequestion was bird and car start simultaneously, when they meet together, bird comes back at the starting point and again from starting point, it goes to another side of the road, when they meet again bird comes back and the process goes on. what was the total distance covered by bird, until car reaches another point.
DeleteSolutions is as follows:
when bird and car starts, they meet at a distance of 66.67 m from left. means bird covered 66.67 m and car covers 33.33 meters.
Now, bird comes back and covered 66.67 m again and car has total of 66.67 m only, but car has to travel 100 m.
again the same process, bird covered 22.22 m and car only 11.22
while returning back, bird covered 22.22 m and car only 11.22.
after that bird covered 7.41 and car covered 3.70 m
while returning back, bird covered 7.41 and car covered 3.70 m.
again bird covered 2.8 twice (going and returning) and car covered 1.4 twice.
again 0.9 twice by bird....
totalling of birds is as follows: 66.66+66.67+22.22+22.22+7.41+7.40+2.80+2.80+0.9+0.9= 200 Kms.
sorry 200 metres
Deletefor para, i remember was:
ReplyDeletefirst question A option
2nd,3rd, 4th and 5th questions: B option
and last one was C option
for passage question???
Deleteya for passage questions
Deleteone question of % of girls passed in the exam was also there
ReplyDeleteis there any sectional cuttoff for exam,then what will be the expected cuttoff for aptitude section
ReplyDeleteno section cut off
DeleteCan you say the answer key of the passage????
DeleteI think the answer keys for the passage -B,C,A,A,A,A...
ReplyDeleteWhat about you guys????
A,B,B,B,B,C
DeleteHi Myself Mukesh i was searching for the post related to ONGC for last 2 days but cudnt find it.today i got this,i am posting some technical questions that came during ONGC examination please have a discuss on it and try to find more question.
ReplyDeletequestions : Answers
1 ) Advantage of modulation ----> false can be used for transmitting signal for long distance
2) selectivity is done in heterodyne receiver---> IF part
3) advantage of AM over FM--->
4) Frequency reflected by atmosphere---- IONOSPHERE
5) LED---> DIRECT BAND GAP
6) BAND GAP DIRECTLY PROPORTINAL TO--->TEMP
7) Use of VCO in PLL
8) Hall effect-- cant measure atomic concentration
9) n type increases Fermi level increases towards CB
10) SLEW RATE --- DV/DT (MAX)
11) oxide used in semiconductor-- sio2
12) epitaxial method
13) Shannon fa no coding---> same as Hoffman coding
14) To reduce ISI--> my answer An Extra bit stuffing
15) BW—Same to wave
16) period -->2.5 sec
17) geostationary and geosynchronous--- Directly above equatorial geostationary and any plane geosynchronous
18) Non saturated logic ---> ECL
19) Control system stability → value of alpha positive
20) the value of u ---> 0.5(o.3 and 0.4)
21) IS 95 ---> cdma
22) GSM Uses--> fdma and tdma
23) ku band range---> 12 to 18 GHZ
24) Fourier transform is used ----> power signal (as finite energy)
25) to check logic circuit--
26) NOR gate conversion by NAND-----> Demorgans law
27) An star moving away from observer -----> wavelength increases (doppler effect and red shift)
28) WLAN --- 802.11
29) graph of u(t-2)
30) probability of 2 and 3 multiple --->5/36
to reduce ISI-transmitting sinc pulse
Deleteprobability of 2 and 3 multiple 1/6
from which subject these questions are my dear....
Deletei don't remember that they are from Electronics...
digtal communication
Delete
ReplyDeleteMaths Question answ.
1)Angle : 48
2)Free fall bomb : 14 sec
3)Statements : Only I alone is required
4)One series that i remem : 1 3 7 11 21 43 85
5)Probability : 1/6
6)Number of Coaches : 49 ..... dv=k(root-number of coaches)
7)Dhoni qn : 29
8)Bird qn : 200 meters
9)relationship qn 1.) Highest and lowst : V and U
10)2nd postion : W
11)Books qun :Dont remem but 4 questions on it
15) Venn diagram question: 3 questions easy one
18) Construction cost.....2 yrs 9 mnths...
19) Relatnshp qn : brother in law
20) 6 question on passage was getting most of the answers as B but dont know the exact sequence.
what was the sweets question i forget whethere it was or not just give me some hint i will try to find answer.
Ek question Maximum attunation wala tha jisme mode pucha tha.Muje to aur question yaad nhi aa rhe hai but mera to TECH achha nhi hua....bahut mistake hua hai 50-70 k bich mai aayenge.Gk mai sayad 22-25 k bich mai aur Aptitude mai 20-25 k bich mai.pata nhi kya hoga...
ReplyDeleteFlexible wg (I think)
Deleteelectronics obc cut off???????????????????????????????
ReplyDeletecan any body enlighten me....what would be the overall expected cut-off marks for SC Candidates in HR discipline ? Guys , it will be highly appreciated if you put forth your views.
ReplyDeletehi aap bole rhe ho.To reduce ISI sinc function is used but mujhe lagta hai ki BIT Stuffing is done dont know may be aap correct ho aur kisi question k answer mai daubt hai kya..please guys share ur experince.
ReplyDeleteFor Finance.... Cut off will be more than 100-110
ReplyDeleteand there will be 3-4 marks of diiffernce between OBC and General. No idea about SC/ST.
wat is ans for skip distance pls rply
ReplyDeletewat is ans for fet gain
ReplyDeleteWhat will be the cutoff of electrical
ReplyDelete100
ReplyDeletechemical engineering questions
ReplyDelete1-film coefficient=thermal conductivity/film thickness
2-coke is made by delayed coking
3-correction factor for single tube pass-1
4- order of reaction-3.5
5-1/(s^2+1)-underdamped
6-phase lag- 45 deg
7-entropy-.5ln(.5)
8-for efficency of carnot engine question formula was 1-(tcold/thot) answer i dont rembr
9-for Pr>1 conduction will be within viscous sublayer
10-sherwood number-mass transfer and momentum transfer
11-mixed flow reactor- 5,10,15
12-fluid energy mill-attrition
13-kirchoff's law for black body absorptivity and emmisivity equivalence
14-view factor concentric spheres (r1/r2)^2
15-ficks law for molecular diffusion
16- superheated steam is not used due to less heat transfer film coefficient
17-limiting reactant question-.5
18-acetyle and chlorine-vinyl chloride
19- water gas (synthesis gas)-CO+hydrogen
20-evaporator- for viscous fluid-backward feed
21- for cold and viscous mixed feed
22-pump- NPSH(cavitation question)
23- cooling tower question- all options were correct
24- wet bulb temperature lies between dew point and dry bulb temperature
25-1/c vs t curve straight line for 2nd order reaction
26-laminar flow question there is flow in direction tangential to streamline no flow across
27-reaction constant decreses with increase in temperature for exothermic reaction
28-on incresing temperature relative humidity increases
29- aniline point for aromatic content of diesel
30-for pressure drop problem pressure drop proportional to viscosity and velocity
view factor concentric spheres- (R1 + R2)/R2
Deleterxnrate of exothermic rxn goes to maximum along adiabatic reactor.
mixed flow reactor series 15 10 5 as conversion is directly proportional to V in case of CSTR
sorry
Deleterxn rate of exothermic rxn passes through maximum along adiabatic reactor.
petroleum coke from residue- pyrolysis
Deleteref. GATE 1991 CH paper
sorry GATE 1992
DeleteThe optimum size ratio for two mixed flow reactors in series is found in general
Deleteto be dependent on the kinetics of the reaction and on the conversion level. For
the special case of first-order reactions equal-size reactors are best; for reaction
orders n > 1 the smaller reactor should come first; for n < 1 the larger should
come first courtesy-octave levenspiel page no.-134
view factor problem
ReplyDeleteF12=1
from reciprocity theorm
F12*A1=F21*A2
so F21=A2/A1
F21=(R1/R2)^2
31- COD>BOD
ReplyDeleteur rite
Deleteone more qs on COD i.e. chemical used in the test of COD:
Deleteboth options KMnO4 and K2Cr2O7 are rite but K2Cr2O7 mostly preferd over KMnO4.
bring forward more questions of chemical eng. come on chemineers
ReplyDeleteSome more qs.
ReplyDeleteBy product of wet process for the production of phosphoric acid- Gypsum
After absorption ammonia is removed from- Distillation
catalyst used in the production of Nitric acid 97%- platinum/rhodium
Heat engine efficiency and temp diff 60*C now given find the temp of heat source and sink- 325& 265*C
For 1st order rxn in porus catalyst thiele modulus is 10 then effectiveness factor is- 0.1
For gas phase rxn 2A-->B, feed consists 80 mole% A and 20 mole% inerts. if the conversion of A at the reactor exit is 50% then Ca/Ca0 at reactor outlet- 5/8
A pulse tracer is introduced in an ideal CSTR at time t=0,time taken for the exit conc. of the tracer to reach of of its initial value- 0.693*t
A batch adiabatic reactor with an initial temp. of 373K is used for the rxn A-->B. Assume heat of rxn is -1kJ/mol at 373K and heat capacity of both A and B is constant 50J/mol.K. The temp rise for the conversion of 0.5- 10*C
Moles of Air used for complete combustion of C3H8-
Molar composition of a gas is 10% H2, 10% O2, 30% CO2, and balance H2O. Now 50% H2O condenses then the final mole % of H2 in the gas on dry basis- 20%
A pitot tube indicates 5cm of water when it is used for measuring velocity of air. velocity of air in m/s is- 28.2
real gas approaches ideal behavior when- pressure<1 and Temp>1
Rxn between Gleceride and Aldehyde- Transesterification
An alkaline solution is used to reduce the conc. of CO2 in a stream from 10% to 0.1% by absorption with irreversible chemical rxn. The overall NTU based on gas phase is- 4.605
Multiple effect evaporator has capacity to process 4000kg of solid caustic soda per day when it is concentrating from 10% to 35% water. The water evaporated in kg/day is- 27,500
itni biology ati hoti to mbbs kar leta yaron.. CA kyu kia hai.. kuch kaam ka puch lo gen awarenes me bhi :-/
ReplyDeleteitni biology ati hoti to mbbs kar leta yaron.. CA kyu kia hai.. kuch kaam ka puch lo gen awarenes me bhi :-/
ReplyDeletewhen the result wil be declared
ReplyDeletewhen the result will declare.......
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