SSC JE Electrical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

Question 111

A synchronous motor working at leading power factor can be used as

Video Solution
Question 112

A 150 V DC motor of armature resistance 0.4 Ω has back emf of 142 V. The armature current is

Video Solution
Question 113

As compared to full-wave rectifier using two diodes the four diode bridge rectifier has the dominant advantage of

Video Solution
Question 114

Speed of the megger is kept at

Video Solution
Question 115

Two 100 W, 200 V lamps are connected in series across a 200 V supply. The total power consumed by each lamp will be watts

Video Solution
Question 116

The biot-Savart's law is a general modification of

Video Solution
Question 117

The active and reactive power of an inductive circuit are 60 W and 80 VAR respectively. The power factor of the circuit is

Video Solution
Question 118

For which of the following the excitation control method is satisfactory

Video Solution
Question 119

The type of protection that does not respond to faults occuring beyond its zone even though the fault current may through the zone is

Video Solution
Question 120

If F is the load factor, the loss load factor is given by

Video Solution
cracku

Boost your Prep!

Download App