Power Systems
Thermal shielding is provided to

 protected the operating personal from exposure to radiations.
 absorb the fast neutron.
All of these
 prevent the reactor wall from getting heated.

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Power Systems
Which of the following statement is/are true?Zn

 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit
 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit
 both 1 and 2
 nether 1 nor 2

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