Tuesday 17 January 2017

Electrical Engineering MCQs (Question No 11-20)

Electrical engineering
Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics, and electromagnetism.

Question No 11:-. What is the unit of speed in the motor?
(a) Revolution per minute
(b) Revolution per second
(c). Revolution per hour
(d) Km/ hour


Question No 12:- which one is the colour of an "EARTH WIRE" in an I.E.Rule.?
(a). Black
(b). Yellow
(c). Green
(d). Blue


Question No 13:- An SCR has three terminals viz. ...
(a)  cathode, anode, gate
(b). anode, cathode, grid
(c). anode, cathode, drain
(d). none of the above


Question No 14:- 1 kilobyte is equal to?
(a). 512 bit,
(b). 1024 bit,
(c). 8000 bit,
(d). None of the above


Question No 15:- An SCR is also known as
(a). Triac
(b). Diac
(c). Unijunction transistor

(d). Thyristor

Question No 16:-The unit of magnetic flux density is the:
(a) Weber
(b) Weber per metre
(c) Ampere per metre
(d) Tesla

Question No 17:-The capacitance of a capacitor is the ratio
(a) Charge to potential difference between plates
(b) Potential difference between plates to plate spacing
(c) Potential difference between plates to thickness of dielectric
(d) Potential difference between plates to charge

Question No 18:-In a delta connected generator, all of the phase voltages are
(a) zero
(b) equal in magnitude
(c) one-third of total
(d) one-sixth of total

Question No 19:-State which of the following is false. The capacitance of a capacitor
(a) Is proportional to the cross-sectional area of the plates
(b) Is proportional to the distance between the plates
(c) Depends on the number of plates
(d) Is proportional to the relative permittivity of the dielectric

Question No 20:-A power transformer is usually rated in.......
(a) kw
(b) kvar
(c) kwh
(d) kva

0 comments:

Post a Comment