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.Management Sciences
Category: Nuclear Power Plants
A reactor capable of converting a ferrite material into fissile isotopes is called____________________?
A. regenerative reactor
B. fast breeder reactor
C. breeder reactor
D. boiling water reactor
E. ferrite reactor
In nuclear fission each neutron that causes fission releases_______________?
A. no new neutron
B. at least one new neutron
C. one new neutron
D. more than one new neutrons
E. many-fold neutrons
The main interest of shielding in nuclear reactor is protection against_______________?
A. X-rays
B. infra-red rays
C. a, P, and y rays
D. neutrons and gamma rays
E. electrons
For economical operation of a nuclear plant__________________?
A. used fuel should be reprocessed
B. moderator should be used
C. coolant should be employed
D. control rods should be used
E. reflector should be used
Electron-volt is the unit of________________?
A. atomic power
B. energy
C. voltage
D. radio activity
E. there is no such unit.
Pressurised water reactor is designed________________?
A. for boiling pi water in the core
B. to use liquid sodium metal as coolant
C. to use intermediate coolant
D. to prevent the water coolant from boiling in the core
E. to eliminate the coolant loop of the pressurised water
The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is__________________?
A. higher cost of nuclear fuel
B. high initial cost
C. high heat rejection in condenser
D. lower temperature and pressure condi-tions
E. nuclear hazard risk
The commonly used material for shielding is__________________?
A. lead or concrete
B. lead and tin
C. graphite or cadmium
D. thick galvanised sheets
E. black carbon papers
Amongst the following, the fissionable materials are________________?
A. U233andPu239
B. U23iandPu233
C. U235andPu235
D. U238andPu239
E. U243andPu235
The following present serious difficulty in designing reactor shield_________________?
A. alpha particles
B. beta particles
C. thermal neutrons
D. fast neutrons and gamma rays
E. none of the above
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