Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between hot and cold loop testing?

86

L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

80

What is the effect of electric motor stuck in star configuration,

100

how the aircraft outer body and inner body is separated ?

60

how the inner and outer body is separated in aircrafts?

60

Why we use d.c. meger in a.c. induction motor?

1 153

What happens to a motor if it is connected in Delta connection

66

75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

2159

what is the range of maximum DOL and SDS can be use for pump and fan application

72

What is the difference between DOL starter and star delta starter

66

electrical knowelge

58

What is resistance reading of earth copper rod with grid and without grid?

56

A 230 v dc series motor is connected to 230 V ac supply, then

1 89

What is various types of electrical formula?

1 86

How many gap between finger contact in a.c.b. and v.cb.?

165


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Un-Answered Questions { Electrical Engineering }

how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

1354


Is vtg is controlled by the resistor? if else how much?

1067


Load break swicth maintenance procedure.

776


what is the method of earthing of a transformer using electrodes?

1168


how to select electronic timer(Star-Delta) setting for diff. rating motors

924






What is the latest generation of circuit breakers called?

15742


What is the current carrying capacity of 35sq.mm flexible cable?

481


In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

1082


WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

1449


hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

1007


What are m circles?

107


An automatic water heater is an example of which type of control system?

118


placement paper samples of mspl company

912


i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

822


Is there any question in the name of Static Switch in UPS??

1039