IAS Geology Free Online Solved Paper

IAS Geology Free Online Solved Paper
Earth science  Practice Questions
  Nuclear Power Plant

Q. 1: Condon’s are:

(a) Mega fossils

(b) Mega fossils found in marine environment

(c) Phosphatic tooth like marine microfossils

(d) Trace fossils

ANSWER.(c)

Q. 2: Match the following Columns:

l                                                               ll

1. Bryozoans                                   (i) Muschelkalk 

2. Rhynchonella grisbachi          (ii) Cordites Beaumont

3. Deccan traps                              (iii) Fehestella Sp.

4. Products limestone                                 (iv) Permian

(a) 1-iii, 2-i, 3-ii, 4-iv

(b) 1-ii, 2-iii, 3-iv, 4-i

(c) 1-iv, 2-iii, 3-ii, 4-i.

(d) 1-iii, 2-i, 3-iv, 4-ii.

ANSWER.(a)

Q. 3: Which character of the condones, make it a important criterial in hydrocarbon exploit

ration:

(a) Colour alteration characteristic

(b) Migration

(c) Change in shape and size

(d) None of these.

ANSWER.(a)

4 : Trace fossils are :

(a) Remnants of microfossils

(b) Remnants of microfossils

(c) Indications of an organism’s behavioral activist

(d) Very fine shells of foraminifera’s.

ANSWER.(c)

Q. 5 : Stromatolites are :

(a) Fungi

(b) Green bacteria

(c) Blue-green algae

(d) Blue-green ostracoda.

ANSWER.(c)

6. Power plant giving least running cost of

production of electrical power is

(a) Gas turbine power plant

(b) Hydro electric power plant

(c) Nuclear power plant

(d) Steam power plant

Answer (c)

7. The graphical method of determination of the

forces in the members of a truss is based on

(a) Method of joint

(b) Method of section

(c) Either (a) or (b) above

(d) None of the above

ANSWER:(a)

8. A ship is moving N 48°30' W at 20 knot/hour

and a second ship is moving E 90° at 10 knots/

hour, the relative velocity of the second Ship

with respect to first ship is

(a) 15 knots

(b) 10 knots

(c) 23 knots

(d) 13 knots

ANSWER:(c)

9. The ratio of unit of force in gravitational system

to that in absolute system is.

(a)    1

(b) g

 

(d) None of these

Where, g = acceleration due to gravity

ANSWER:(b)

10. Power plant requiring careful handling of fuel

is

(a) Gas turbine power plant

(b) Hydro electric power plant

(c) Nuclear power plant

(d) Steam power plant

Answer (c)

  

11. First nuclear power plant in India was located

(a) Narora                 

(b) Kota

(c) Tarapur                 

(d) Barelly

Answer (c)

12. Energy released from uranium fission in

million electron volts is approximately

(a) 100

(b) 200

(c) 400

(d) 600

Answer (b)

13. Material which absorbs neutrons and

undergoes spontaneous changes forming

fissonable materials, is known as

(a) Primary fuel

(b) Secondary fuel

(c) Ferrite materials

(d) None of the above

Answer (b)

14. The nuclear power station at Tarapur has the

reactor of

(a) Gas cooled type

(b) Water cooled type

(c) Boiling water type

(d) Pressurized water type

Answer (c)

15. In a nuclear power plant, moderator is introduced into fuel mass to

(a) Control the reaction

(b) Decrease temperature

(c) Decrease the speed of fast moving neutrons

(d) Moderate radioacting pollution

Answer (c)

16. A moderator should be

(a) Good thermal conductor

(b) Corrosion resistant

(c) Stable under nuclear radiation

(d) all of the above

Answer (d)

17. In a nuclear power plant, slow moving neutrons

as compared to fast moving neutrons are

(a) More effective

(b) Less effective

(c) Same effective

(d) None of the above

Answer (a)

18. The size of a reactor, at which the chain

reaction can be initiated with critical mass of

fissionable material is known as

(a) Critical size of reactor

(b) Average size of reactor

(c) Moderate size of reactor

(d) None of the above

Answer (a)

19. Deuterium oxide is used in nuclear reactors as

(a) Fuel

(b) Moderator

(c) Shield

(d) Regulator

Answer (b)

20. Control rod is made of

(a) Lead

(b) Boron and cadmium

(c) Graphite

(d) Zinc

Answer (b)

21. In nuclear power plants by reflector neutron,

leakage

(a) Increases

(b) Decreases

(c) Remains same

(d) None of the above

Answer (b)

22. Production of neutrons for a critical reactor is

infinite

(a)    Infinite

(b)   Zero

(c) Equal to number of neutrons lost by leakage

(d) None of the above

Answer (c)

23. The reflectivity of reflector depends on its

(a) Geometry

(b) Property

(c) Energy of neutrons

(d) All of the above

Answer (d)

24. A reactor capable of converting a fertile

material into fissile isotopes, is known as

(a) Breeder reactor

(b) Regenerative reactor

(c) Neutron reactor

(d) None of the above

Answer (b)

25. Power plant having highest cost per KW installed is

(a) Gas turbine power plant

(b) Hydro electric power plant

(c) Nuclear power plant

(d) Steam power plant

Answer (c)