Related Questions

Pressure in a Pressurised Water Reactor (PWR) is used for
A Maintaining constant pressure in the primary cooling circuit under varying loads
B Superheating the steam
C Pressurising the water in the primary coolant circuit
D None of these
In a pressurised water reactor (PWR), the
A Fuel is natural uranium and heavy water acts both as moderator & coolant
B Coolant water boils in the core of the reactor
C Coolant water is pressurised to prevent bulk boiling of water in the core
D Use of moderator is not required
Coolant present in the primary circuit of a pressurised water reactor is high pressure
A Sub cooled water
B Saturated water
C Superheated steam
D Saturated steam
Lurgi coal gasifier is a pressurised __________ bed reactor.
A Moving
B Fixed
C Fluidised
D Entrained
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
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?
A Hemispherical
B Ellipsoidal (2 : 1)
C Conical
D Flat plate
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

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