Pressurized 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

Correct Answer: To prevent the water coolant from boiling in the core

Pressurized water reactor is designed To prevent the water coolant from boiling in the core
Pressurized water reactor is a nuclear reactor in which the fuel is uranium oxide clad in zircaloy and the coolant and moderator is water at high pressure so that it does not boil at the operating temperature of the reactor.
Bissoy MCQ
#Mechanical Engineering #Power Plant Engineering

Related Questions

A pressurized water reactor employs pressurizes for the following application
A To maintain constant pressure in primary circuit under varying load
B To Supply high pressure steam
C To increase pressure of water in primary circuit
D To provide sub cooled water at high pressure
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
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.
A Less than
B More than
C Same as
D None of these
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
The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is
A Same
B Lower
C Higher
D Unity
The energy produced by a thermal reactor of same size as a breeder reactor is
A Almost same
B Slightly more
C Slightly less
D Much less
A stirred tank reactor compared to tubular-flow reactor provides
A More uniform operating conditions
B Permits operation at the optimum temperature for a long reaction time
C Higher overall selectivity for a first order consecutive reaction
D All of the above
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature.
A Is always equal to
B Is always greater than
C Is always less than
D May be greater or less than
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor.
A Greater than
B Equal to
C Smaller than
D Unpredictable from the data
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

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