GIVE ANSWER (1)The coolant used in nuclear power station - TopicsExpress



          

GIVE ANSWER (1)The coolant used in nuclear power station is (a) Hydrogen (b) co2 (c) lithium (d) none of the above (2)Use of synchronous condenser improves (a) power factor (b) system stability (c) efficiency (d) all of the above (3) in large dc generator the magnetic field is produced by (a) permanent magnet (b) electro magnet (c) either a or b (d) none of the above (4)in comparision with the turn on time the turn off time of a thyristor is (a) lesser (b) equal (c) larger (d) all of these (5)the ratio of voltage and current in a closed circuit (a) remains constant (b) varies (c) increases (d) falls
Posted on: Sun, 26 Jan 2014 11:08:08 +0000

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