1. It is used as fuel in nuclear power stations
(A) Coal
(B) Diesel
(C) Gas
(D) Uranium
2. One kilogram of uranium can generate as much electricity as ------- burning of high grade coal
(A) 4500 ton
(B) 2000 ton
(C) 3000 ton
(D) 1500 ton
3. Nuclear power plants are generally used as follows
(A) Base load
(B) Peak load
(C) Variable load
(D) Both b & c
4. Nuclear power plants are not suitable for this type of load operation
(A) Variable load
(B) High load
(C) Base load
(D) Both a & b
5. Nuclear power plant has
(A) Initial cost too high
(B) Very low per unit cost
(C) Running cost too low
(D) All of these
6. Initial cost of a nuclear power plant is
(A) Very low
(B) Medium
(C) Suitable
(D) Very high
7. In a nuclear power plant, this cost is negligible
(A) Fuel to be used
(B) Transport of fuel
(C) Construction of reactor
(D) All of these
8. The process of splitting or dividing of uranium atoms is called
(A) Fusion
(B) Fission
(C) Chain Reaction
(D) Radiation
9. Work of the coolant is
(A) Absorbing neutrons
(B) Generating heat
(C) Gaining heat
(D) Generating a chain reaction
10. The total number of protons and neutrons of an atom is called
(A) Atomic number
(B) Mass number
(C) Atomic weight
(D) None of these
11. --------- are the primary isotopes of uranium
(A) U234
(B) All of these
(C) U238
(D) U235
12. This isotope of uranium is used for nuclear fission reactions
(A) U234
(B) U235
(C) U233
(D) U238
13. The charge on Alfa particles is
(A) Neutral
(B) Negative
(C) Both a & b
(D) Positive
14. The charge on Beta particles is
(A) Positive
(B) Both a & b
(C) Negative
(D) Neutral
15. During uranium enrichment, the amount of uranium in raw uranium is increased from 0.7% to this percentage
(A) Up to one percent
(B) Up to three to four percent
(C) Up to 10 percent
(D) Up to 30 to 40 percent
16. This method is being used to enrich uranium at the Kahuta plant in Pakistan
(A) Centrifugal method
(B) Gaseous permeability method
(C) Thermal diffusion method
(D) Electromagnetic method
17. ------ is the chemical name for heavy water
(A) Hydrogen peroxide
(B) Deuterium Oxide
(C) Hydroxide
(D) None of these
18. ----- is used to send neutrons escaping out of the reactor core back into the core
(A) Moderator
(B) Coolant
(C) Reflector
(D) Shielding
19. Graphite and beryllium materials are used in nuclear reactors
(A) Both a & b
(B) As reflectors
(C) As shielding
(D) As moderators
20. In addition to graphite, beryllium and heavy water, this material can also be used as a moderator
(A) All of these
(B) Helium gas
(C) Carbon and nitrogen
(D) Light water
21. Control rods in nuclear reactors are made of this material
(A) Zirconium
(B) Boron
(C) Beryllium
(D) Lead
22. Basic types of nuclear reactors are
(A) Thermal reactor
(B) Fast reactor
(C) None of these
(D) Both a and b
23. The most important problem occurs in nuclear power stations
(A) Control of the plant
(B) Availability of water
(C) Access to the plant
(D) Disposal of nuclear waste
24. This power plant has the highest cost
(A) Hydro
(B) Thermal
(C) Nuclear
(D) Diesel
25. Nuclear power station in Pakistan is working at
(A) Karachi
(B) All of these
(C) Kahuta
(D) Chashma
26. Pakistan's second nuclear power plant has been installed at this location
(A) Gwadar
(B) Chashma
(C) Sibbi
(D) Karachi