ELECTRICAL ENGINEERING QUESTIONS WITH ANSWER

1. A car is running at a constant speed of 50 km/h, which of the following is the feedback
element for the driver ?
(a) Clutch
(b) Eyes
(c) Needle of the speedometer
(d) Steering wheel
(e) None of the above
Ans: c

2. Which of the following is exhibited by Root locus diagrams ?
(a) The poles of the transfer function for a set of parameter values
(b) The bandwidth of the system
(c) The response of a system to a step input
(d) The frequency response of a system
(e) None of the above
Ans: a

3. With feed back _____ reduces.
(a) system stability
(6) system gain

(c) system stability and gain
(d) none of the above
Ans: b

4. Which of the following is an electromechanical device ?
(a) Induction relay
(b) Thermocouple
(c) LVDT
(d) Any of the above
(e) None of the above
Ans: c

5. A phase lag lead network introduces in the output
(a) lag at all frequencies
(b) lag at high frequencies and lead at low frequencies
(c) lag at low frequencies and lead at high frequencies
(d) none of the above
Ans: c