MCQ (Objective)

objective question of Electrical field

Objective (MCQ) on Wiring tools, safety components and cables

1. ELCB gives protection against (A) Shock (B) Overload (C) Short Circuits (D) All of the above Answer: – Option […]

The boiler commonly used in a thermal plant are__________________. a) Water tube type b) Fire tube c) Both (a) &

Synchronous motors are generally not self-starting because (a) the direction of rotation is not fixed (b) the direction of instantaneous

Which of the following component is usually fabricated out of silicon steel ? (a) Bearings (b) Shaft (c) Stator core

The ground wire is coloured Green Black Yellow Red Answer: – Option 1 The maximum permissible value of earth resistance

“The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement

In a split phase motor, the running winding should have (a) high resistance and low inductance (b) low resistance and

No-load speed of which of the following motor will be highest ? (a) Shunt motor (b) Series motor (c) Cumulative