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GATE 2019: Power Systems Rapid Quiz 1 (App update required to attempt this test)

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Question 1

Initial power transmission of a transmission line is 100 MW, due to the compensation change in the power for 50% compensation is

Question 2

Which of the following is the ratio of the sum of the individual maximum demand of all consumers to the maximum demand of the whole group of consumers?

Question 3

An alternator delivers 1pu power operating at 50 Hz to an infinite bus through a transmission circuit having negligible resistance. A fault occurs reducing the maximum power transferrable to 0.75pu. Before the occurrence of fault the power was 2pu and after the fault clearance it is 1.25pu. Find the critical clearing angle in degree?

Question 4

In a suspension insulator string, each disc insulator is designed for a low voltage of 11 kV. What is the minimum number of disc insulators required for 132 kV/phase transmission?

Question 5

A 2- pole 50Hz, 100MVA turbo generator has a moment of inertia 9.3*103 kg-m2. The inertia constant M on 75MVA base will be

Question 6

Which of the following gives the equivalent inertia constant of the system if the inertia constant of the two machines which are not swinging together are M1 and M2?
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Feb 22ESE & GATE EE