SSC JE Electrical Engineering 2011
For the following questions answer them individually
SSC JE Electrical Engineering 2011 - Question 141
During arc extinction $$SF_6$$ gets
SSC JE Electrical Engineering 2011 - Question 142
Sparking between the contacts of a circuit breaker can be reduced by inserting
SSC JE Electrical Engineering 2011 - Question 143
If the inductance and capacitance of a power system are respectively 1H and 0.01 $$\mu F$$ and the instantaneous value of interrupted current is 10A, then the voltage across the breaker contacts will be
SSC JE Electrical Engineering 2011 - Question 144
Which of the following materials for heating element should be selected if a furnace is to be used for heating upto temperature around $$1500^\circ C$$ ?
SSC JE Electrical Engineering 2011 - Question 145
The type of DC generator used for arc welding should be a
SSC JE Electrical Engineering 2011 - Question 146
A transistor is operating in common emitter mode as shown in figure given below. The voltage $$V_{CE}$$ is
SSC JE Electrical Engineering 2011 - Question 147
By increasing the transmission voltage to double of its original value the same power can be despatched keeping the line loss
SSC JE Electrical Engineering 2011 - Question 149
An electric load consumed 17.32 kW at a power factor of 0.707 (lagging). For changing the load power factor to 0.866 (lagging), the capacitor that is to be connected in parallel with the load, should draw
SSC JE Electrical Engineering 2011 - Question 150
The most appropriate way of mitigating the problem of interference between power line and commutation line is to
