⚡ELECTRICAL STUDY⚡

In power system load flow studies, the quantities specified at a slack bus are______ and_______

In suspension type insulator the potential drop is-

The ratio of the puncture voltage to the flashover voltage of an insulator is-

Ans will be

When the conductors are dead-ended or there is a change in the direction of the transmission line, the insulators used are of the

What is the angle between the pole and stay?

In a 3-layer ACSR conductor, if diameter of each strand is d, then total diameter of conductor will be

The number of strands of ACSR conductor for 4-layers transmission line is

In a BJT, Ico =Icbo =2μA Given α = 0.99 the value of Iceo is

In a CE (Common Emitter) transistor, Vcc = 12 V and the zero signal collector current is 1mA. Determine the operating point when collector load (Rc) is 6kΩ

The dead time of an instrument refers to

The false statement regarding precision of an instrument:

What is the unit of luminance?

In DC operation of fluorescent tube, the life of the tube:

Power factor is highest in case of :

Arc lamp operates at

The tube of fluorescent lamp is filled with :

A light source having an intensity of 400 candle power is fitted with a reflector so that it directs 70 percent of its light along a beam having a divergence angle of 5 degrees. Total flux emitted along the beam is:

Which of the following lamps gives nearly monochromatic light?