NALCO Placement Paper Candidate Experiences The Oriental Saminary, Rabindra Sarani,kolkata-26 Sep 2010
Hi Friends,I have attended the written test of NALCO for Mechanical Enggineering on 26th of September, 2010. Overal the question paper was somewhat easy and some questions are upto the standard and needs some basic understandings of the candidate. Here i am posting some of the questions, i have remembered. The options may be different as it came in NALCO paper, the questions are like that as follows. There are 120 questions(60 Technical and 60 non-Technical including aptitude, G.K, Engg and LR) having 2 hours and 30 minutes of durations.Technical:
25) Crankcase explosion in case of IC engines occurs :First with mild followed by big explosion
26) Hydraulic accumulator consists of: a piston and a ram
28) hydrogen have how many isotopes? Ans: 3
29) Drift loss in case of natural draft cooling tower?
30) ?Approach? means what in case of cooling tower
31) The purpose of true centrifugal casting is: to cast symmetrical objects about the axis
32) A basic shaft is whose upper deviation is zero.
33) The parts of a casting to be machined is coloured in red colour.
34)A continuous beam is one which has supports at more than one points.
35)A reversible machine in case of screw jack is having efficiency greater than 50%.
c)proportional to base diameter ans: pressure angle
39) Flow of water from nozzle:
Besides this there are 4 questions from nuclear power plant, 2 from hydroelectric plant and some others i have not remembered properly.
2. What is minimum gap between tow session of parliament. a. 3 month b. 6 month c. 12 month d non of these
3. Who got the Rajiv Gandhi khel rattan 2010 a. abhinav bindra b. saina nehwal c. vishawa Nathan
Choose the synonyms of the following.
Find the next terms of the series 8. 5,17,37,65,?..,145a. 95 b. 101 c. 107
9. 5, 1.5, 4.5, 13.5?a. 40.5 Ans
10. 3, 11, 19, 35, 51, 75...
11. P man can do a work in the day. In how many day np man do this work and timesa. time/n Ans
They given on passage with 5 Questions One data interpretation with 3 Questions
Ten Questions from Data sufficiency like is two consecutive no. p>q
14. ~ ~Aa. A b. ~A c. 0 d. 1
15. ~A(A+1)a.0 b .A c. ~A d. ??
16. (A+B)`a. A`.B`ans
17. Which of the following language platform independenta. Java
18. Which is the typical error a syntex error b. semantic error c. run time error
19. Cache memory
20. Magnetic Flux is measured by which meter?
21. If diagonal of square is increased by 30% then how many % increases in area?
22. Which country is allow for wolf hunting after 45 years ban?
23. Ellora is temple of
24) Barcodes are read by:a)card reader b)laser c) floppy etc
Dear friends, I may be wrong with my answers, please cross check with your answer.
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