Power Plant Engineering (2171910) MCQs

MCQs of Nuclear Power Plant

Showing 31 to 40 out of 57 Questions
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31.

The material most commonly used for sheilding is

(a)

carbon
(b)

lead
(c)

concrete
(d)

all of these
Answer:

Option (c)

32.

Reflector in nuclear power plants __________ neutron leakage.

(a)

increases
(b)

decreases
(c)

have no effect on
(d)

all of these
Answer:

Option (b)

33.

The reflectivity depends upon

(a)

geometry of the reflector
(b)

energy of neutrons
(c)

properties of the reflector
(d)

all of these
Answer:

Option (d)

34.

Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

(a)

high neutron absorption cross-section
(b)

low moderating efficiency
(c)

high neutron scatter cross-section
(d)

low neutron absorption cross-section
Answer:

Option (b)

35.

The first nuclear power plant in India was located at

(a)

Kota
(b)

Tarapur
(c)

Bareilly
(d)

none of these
Answer:

Option (b)

36.

In natural uranium, the constituents of three naturally occurring isotopes are

(a)

U234 = 0.006%, U235 = 0.712% and U238 = 99.282%
(b)

U234 = 0.712%, U235 = 0.006% and U238 = 99.282%
(c)

U234 = 99.282%, U235 = 0.006% and U238 = 0.712%
(d)

U234 = 0.006%, U235 = 99.282% and U238 = 0.712%
Answer:

Option (a)

37.

Enriched uranium may contain fissionable contents from

(a)

1 to 40%
(b)

10 to 50%
(c)

1 to 80%
(d)

1 to 99%
Answer:

Option (d)

38.

A nuclear reactor is said to be critical when the neutron population in the reactor core is

(a)

rapidly increasing leading to the point of explosion
(b)

decreasing from the specified value
(c)

reduced to zero
(d)

constant
Answer:

Option (d)

39.

Plutonium (Pu239) is produced

(a)

artificially
(b)

by fission of Th232
(c)

when U238 is irradiated by neutrons
(d)

as basic raw material
Answer:

Option (c)

40.

Which of the following statement is correct regarding the features of a Breeder reactor?

(a)

It produces more fuel than it consumes.
(b)

It requires highly enriched fuel.
(c)

It requires liquid sodium metal as a moderator.
(d)

all of these
Answer:

Option (d)

Showing 31 to 40 out of 57 Questions
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