NATIONAL HYDRO POWER CORPORATION LIMITED Paper Contributed by Ganesh updated on May 2019
NHPC Paper |   843

NHPC Limited is an Indian Hydro Power Generation company. This model question paper of NHPC exams contains general awareness,resoning and questions from engineering disciplines.

                                          NHPC Model Question Paper

General Awareness:

1.Which one the following is the smallest continent?
a.Asia 
b.africa 
c.australlia 
d.north America

2.who secured 17,000 runs in one-day internationals?
a.sachin 
b.ricky ponting 
c.none 
d.bradman

3.Jnanpeeth award will be give in the field of___?
a.sculpture 
b.paintings 
c.dance 
d.literature

4.in the period of 2007 which one of the following bank had provided huge amount of money to india?
a.asian welfare bank 
b.world bank 

5.which one of the players are associated with lawn tennis?
a.mahesh bhupathi 
b.pete Sampras 
c.both a&b

6.India is largest exporter of _________?
a.minerals 
b.tea 
c.engineering goods 
d.none

7.begum akthar belongs to which one of the following field?
a.sitar 
b.writer 
c.dance 
d.MUSIC

8.which one the following is not matched correctly?
a.M.S Subba laxmi-bharatanatyam

9.indus valley civilization near Pakistan is at__
a.Harappa Mohenjo-Daro

10.the maximum gap between two parliament sessions is____
a.3months 
b.6months 
c.12 months 
d. 2months

11.MAN SAN HAUN(some name like this is give I dnt remember exactly)belongs to which country?
a.phillipines 
b.thailand 

12.Dialysis is the treatment for weak_____?
A. heart 
b. lungs 
c. kidney 
d. gall bladder

13. The largest oil company in india is________
a.ONGC 
b.RIL 
c.IOCL

14. Which of the following is the largest planet?
a.Jupiter 
b.Saturn 
c.Venus 
d.Mars

Reasoning:

1. Observe the following
I. A means greater than
II. B means not equal to
III. C means equal to
IV. D means not greater than
V. E means not less than
VI. F means less than
If (P B Q) and (P D Q)Then
a.PAQ 
b.PEQ 
c.PCQ 
d.PFQ

2.If a person starts at appoint ,P, and turns right and walks 7Kms straight then again turns right and walks 3Kms and again turns right and walks 10Kms the person is at which direction from starting point?
A.South-west 
b. South-east 
c. west 
d. North-east

3. find the missing
10 12 14
20 22 24
30 __ 34
(Five similar questions of above has given)
a.24 
b. 22 
c. 32 
d. 24

5. find the missing
5, 7,11,___
(Five similar questions of above has given)

6.If in A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z starting from B if alternative alphabets are small & remaining are capital letters then how can be SEARCHING can be represented as?
a.SeArCHinG 
b.SEaRchINg 
c. sEArChInG

7. If four people are sitting for a photo.Of them sita is right to geetha,and rani is left side to geetha and reeta is right side to sita then in the photo who will be second from left side?
A.Sita 
b. Reeta 
c. Rani 
D.Geetha

Engineering:

1. Transmission line size is inversely proportional to _____
a. Current 
b. voltage 
c. power factor 
d. both b&c

2.the current is concentrated at the outer surface of the conductor it is called__
a.skin effect b.corona

3.bundled conductors used for____

4.the inductance increases with ______

5.the scr circuit is connected by RL in series.if the delay time is to be increased then the following has to be done?
a.increase incutance 
b. decrease inductance 
c.increase resistance 
d. decrease resistance

6.scr will not ON at which conditions____?

7.transposition of the transmission line is done to__
a.reduce skin effect b.reduce influence of communication line c.increasing efficiency d.to decrease losses

8.the line used for traction purpose___(interms of kv)

9.with reference to earth if the diameter of the conductor is increased the____
a.capacitance increases 
b.inductance increases 
c.capacitance decreases 
d.no change

10.easily fastly responding memories___
a.semi conducting memories 
b.magnetic tapes 
c.magnetic disks 
d.external memories.

11. the transformer oil is used for____?
a.cooling 
b.isolation 
c.none

12.The sag of the line doesn,t depend on the following factor____
a.temperature 
b.ice effect 
c.current 
d.environmental changes.

13.IN 3-phase ?-? connection transformer if one of the phase is disconnected the the voltage will be
A.1/?3 
b.2/?3 
c.?3 
d.1/3

14.The synchronous machine at power stations used for____
A. improving power factor

15. The instrument used for DC measurements is_____
a. PMMC 
b. induction type 
c. coil type

16.The instruments used for AC Measurements is__________

17. The bridge which have high value of Q-factor is________?

18. Creeping of the scale in measuring instruments can be reduced by________

19. The bridge used for measuring the unknown value of capacitance___________

20. When the range of the voltmeter is to be extended the value of resistance inserted will be____
a. (Rm-1) 
b. (Rm+1) 
c.Rm/1

21. In semi conductor the conduction is due to ______
A. electrons &holes 
b. positive ions &negative ions 
c. electrons 
d. holes

22. If the length of line increases the inductance________
a. Increases 
b. decreases 
c. remains unchanged

23. Which of the following is the metal?
a.carbon 
b.sulphur 
c.arscenic 
d.copper

24.Which of the following has negative temperature coefficient?
a.Tungsten 
b.copper 
c.carbon

25.DMA stand for Direct memory access

26.In high frequency transformers_______is used
A. Ferrites

27.transformer cannot change the following_
a.voltage 
b.current 
c.power 
d.frequency

28.If a generator with 250V,speed 1500rpm and shunt resistance of10 amperes & armature current of 2.5amperes is made to run as motor with 200V then the speed of the motor will be________

29.If the induction machine made to run more than the synchronous speed the it is called Induction generator.

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