Earth Science Objective Quiz Engineering Geology Test
Geology Sample Paper
1. Unconventional source of energy is
(a) Wind power
(b) Geothermal energy
(c) Tidal power
(d) Nuclear power
Answer (d)
2. In nuclear
power plant light water is used as
(a) Coolant
(b) Moderator
(c) Both (a) and (b) above
(d) None of the above
Answer (a)
3. Most commonly
used moderator in fa nuclear
power plant is
(a) Graphite
(b) Concrete
(c) Both (a) and (b) above
(d) None of the above
Answer (c)
4. A moderator
(a) Absorbs neutrons
(b) Does not absorb neutrons
(c) Accelerates neutrons
(d) None of the above
Answer (b)
5. Boiling water
reactor uses ordinary water as
(a) Coolant
(b) Moderator
(c) Working fluid
(d) All of the above
Answer (d)
6. Nuclear
reactors are used
(a) To produced heat for thermoelectric power
(b) To produce fissionable material
(c) For irridiation work
(d) To propel ships, turbines, aircrafts etc.
(e) All of the above
Answer (e)
7. To absorb
excess neutrons in nuclear reactors
(a) Moderator is used
(b) Shielding is used
(c) Control rod is used
(d) Reflector is used
Answer (b)
8. To reflect
neutrons back into the active core
(a) Moderator is used
(b) Control rod is used
(c) Reflector is used
(d) Shielding is done
Answer (c)
9. In nuclear
power plants, fuel consumption is reduced to
generate sufficient
neutrons to sustain a chain reaction, due to
(a) Moderator
(b) Control rod
(c) Reflector
(d) Shielding
Answer (c)
10. Fraction of neutrons
entering the reflector,
which are returned
to the core is known as
(a) Reflectivity of reflector
(b) Geometry of reflector
(c) Size of reflector
(d) None of the above
Answer (a)
11. A sodium
graphite reactor uses
(a) Sodium as moderator, graphite as coolant
(b) Sodium as coolant, graphite as moderator
(c) Mixture of sodium, graphite as moderator
(d) Mixture of sodium, graphite as coolant
Answer (b)
12. Fast breeder
reactors produces fuel as
compared to fuel
they consume is
(a) More
(b) Less
(c) Same
(d) None of the above
Answer (a)
13. Fast breeder
reactor uses
(a) 10%
(b) 50%
(c) 80%
(d) 90%
Answer (d)
14. For propulsion applications, reactors
are
designed for
(a) Natural uranium
(b) Enriched uranium
(c) Pure uranium
(d) Any form of uranium
Answer (b)
15. Enriched
uranium may contain fissionable
contents
(a) 11 to 50%
(b) 10 to 50%
(c) 1 to 85%
(d) 1 to 99%
Answer (d)
16. Nuclear
radiators produced in a reactor, which
must be shielded
are
(a) Moderator
(b) Coolant
(c) Shielding
(d) Reflector
Answer (b)
17. In nuclear
reactor, to protect against neutron
and gamma rays
(a) Moderator is used
(b) Reflector is used
(c) Control rod is used
(d) Sheilding is done
Answer (d)
18. Desirable type of neutron in triggering fission is
(a) Fast moving
(b) Slow moving
(c) Stationary
(d) None of the above
Answer (b)
19. Efficiency of
a nuclear power plant in
comparison to a
conventional thermal power
plant is
(a) Same
(b) More
(c) Less
(d) Unpredictable
Answer (c)
20. Atomic number
of an element in the periodic
table represents
the numbers of
(a) Protons in the nucleus
(b) Electrons in the nucleus
(c) Neutrons in the nucleus
(d) Electrons in the atom
Answer (a)
21. A
nuclear unit becoming critical means
(a) It is generating power to rated capacity
(b) It is capable of generating much more than rated
capacity
(a) There
is danger of nuclear spread chain reaction that causes automatic
(b) Splitting
of the fuel nuclei has been established
Answer (d)
22. Most commonly
used moderator in nuclear plants is
(a) Heavy water
(b) Concrete and bricks
(c) Graphite and concrete
(d) Graphite
Answer (d)
23. In nuclear
power plants, when enriched
uranium is used as
a fuel, ordinary water is sometimes used as a
(a) Moderator
(b) Coolant
(c) Shielding
(d) Reflector
Answer (a)
24. Most commonly
used material for sheilding is
(a) Carbon
(b) Graphite
(c) Lead or carbon
(d) All of the above
Answer (c)
25. For a nuclear
power plant to be economical
(a) Moderator is used
(b) Control rod is used
(c) Reflector is used
(d) Fuel is reprocessed
Answer (d)
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