ECE Interview Questions and Answers Pdf - 1

Question: 1

The Laplace transformation method enables one to find the response of a network in

(A) the steady state only

(B) the transient state only

(C) the transient state provided sinusoidal forcing functions do not exist

(D) both transient and steady states

Question: 2

An automated washing machine is

(A) open loop system

(B) closed loop system

(C) digital control system

(D) sampled data controlled system

Question: 3

The industrial controller having the best steady state accuracy is

(A) a proportional controller

(B) a rate feedback controller

(C) a derivative controller

(D) an integral controller

Question: 4

In case of synchro error detector, the electrical zero position of control transformer is obtained when angular displacement between rotors is

(A) Zero

(B) 45°

(C) 90°

(D) 180°

Question: 5

Settling time is the time required for the system response to settle within a certain percentage of

(A) final value

(B) input amplitude value

(C) transient error value

(D) maximum vaue