Which of the following is used in power factor correction?

The lightning load for a dwelling expressed in terms of a unit load in voltampere per square meter must be at least

What do you call the interior lighting where the roof trusses or ceiling height is greater than 7.6 m above floor level

Which of the following is a vector quantity?

The Electrical Safety Month of the year is

Which of the following produces a reactive power?

The time constant of a series RL circuit Is equal to _____?

Heating effect of current has undesirable side effect in

In two-wattmeter method, the readings of the wattmeter will be identical when

An electric current can neither be ______nor______.

In transmission voltage levels, 765kV is categorized as

The purposes of a grid system is to

The number of parallel paths in a simplex lap winding is equal to

If the input of the prime mover of an alternator is kept constant but the excitation is increased then

The useful life of diesel engine in a power plant is expected to be ______ year/s.

An automatic device that operates at preset values is known as

A magnetic field copper exists around

Which of the following is not a type of the contactor for circuit breakers?

Charging a lead-acid cell causes the electrolyte to become

If the resistance of the field winding of a dc generator is increased the output voltage will

Wye-wye power transformers are protected by current transformers having ________ connection.

The luminous intensity of a lamp is expressed in

Ten oersted is equivalent to

Which of the following ammeters is the most sensitive?

Brushes of dc machine are usually made of

Impurities in an electrolyte can cause an internal short circuit condition called

What is the minimum number of wattmeter required to measure unbalanced power for a three phase system?

Permeance is analogous to