Related Questions

CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the
A Specific fuel consumption is very low due to the use of heavy water
B Fuel cost is much lower than that used in pressurised water or boiling water reactor
C Heavy water is used both as coolant as well as moderator
D Both B and C
If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
A Critical
B Breeder
C Fertile
D Heterogenous
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
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
Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
A Concrete
B Steel
C Zircalloy
D Graphite
A thermal nuclear reactor compared to a fast breeder reactor
A Uses slower neutrons for fission
B Uses faster neutrons for fission
C Gives higher power density
D Requires less fuel to run at the same power level
Insurance refers to protection against an event that _________ happen whereas Assurance refers to protection against an event that _________ happen.
A May, may not
B Might, will
C Must, need not
D Will, will not
Biological shield in a nuclear reactor is generally provided to protect against the
A α-rays
B β-rays
C Gamma rays & neutrons
D Electrons
The main purpose of control rod in a nuclear reactor is to control the
A chain reaction & hence the power output by regulating the number of secondary neutrons for fission
B emission of hazardous radiation
C conversion of fissile material into fertile material
D velocity of the secondary neutrons
(i)Participation involves more than the formal sharing of decisions. (ii)through anticipation , individuals . or organizations consider trends and make plans , shielding institutions from trauma of learning by shock. (iii) Innovative learning involves both anticipation and participation . (iv) It is an attitude characterized by cooperation. dialogue and empathy.
A (ii) + (iii) + (i) + (iv)
B (i) + (ii) + (iv) + (iii)
C (iv) + (i) + (iii) + (ii)
D (iii) + (ii) + (i) + (iv)

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