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ISRO EE Quiz 14
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Question 1
What will be the maximum torque if we increase the rotor reactance value?
Question 2
There are two coherent generating units in a station.
Unit 1 500MVA, 11KV, 50Hz, 4 pole, H = 10 MJ/MVA
Unit 2 200MVA, 11KV,50Hz, 4 pole, H = 5 MJ/MVA
If the combined Swing equation on 100MVA base is,
The value of Heq is
Question 3
A 3-ϕ dual converter operating in the circulating current mode has the following data: supply voltage VLL = 440 V, f = 50 Hz, α1 = 45°. The value of current limiting reactor L = 20 mH. Find the peak value of circulating current?
Question 4
An oscilloscope input impedance consists of 1 MΩ resistance connected in parallel with a 100 pF capacitor. A compensated 20:1 attenuator is obtained by connecting a parallel combination of
Question 5
An op-amp with CMRR = 104 and differential gain = 104, then the common mode gain in dB is
Question 6
In a Class AB amplifier, the current flows through the active device for
Question 7
Master slave flip-flop consists of_____ J-K flip-flops.
Question 8
The frequency at which conduction current density and displacement current density are equal in a medium with σ = 5 x 10–5 S/m is & εr = 1
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ESE & GATE EEGeneralMay 29ESE & GATE EE