Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?

Bhel,

2 11317

Where can I get CPWD electrical specifications & Shedule of rates? Please help me

2265

How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

2165

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

2098

What is size 00, 01, 1 etc., in HRC fuse types?

Jaypee,

2385

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1999

What is the purpose of shunt trip in ACB function?

1 6492

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

Remi,

3957

Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?

1 3595

What is working principle of washing machine?

IBPA, Samsung,

9 91678

Can we use 3 phase energy meter for measureing power in 2 phase 440 V phase circuit?

2 5799

1)How to calculate AC Capacity for the Room?

2265

What is diff b/w TON and BTU for Air conditioner?

1990

1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 3794

im ranjith having 63%in my b tech with 25 backlogs,cleard all .. im having 1100 in gre and 90 in my toefl can i get visa? im planning spring 2011 pls help me i applied for i20 im applying 4 universities pls help me can i get visa? shall i prefer canada if i could not get visa?

2120

Un-Answered Questions { Engineering }

which type of motor is used in automatic swing gate

2016

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1835

What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1129

What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

2124

IN A PN JUNCTION DIODE,( ON FORWARD BIAS ) WHEN ELECTRONS AND HOLES PAIRS MADE AND CURRENT FLOWS,THEIR IS NO END OF ELECTRONS AND HOLES IN A LITTLE SEMICONDUCTOR DEVICE.

2176

Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2131

Why do we floating DC in DC system.

2904

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

1945

Which condition will prevail for the design of a swimming pool ? When the pool is empty or when it is filled ?

2494

What is the Roll of Water Bonding under VDF road?

2672

What are chebushev filters?

1117

why need to be maintain power factor for industrial customer?

5089

Tell me why the shape of op-amp is triangular not other shape?

3589

what will happen if one could not properly follow the spacing of slab reinforcement bar?

2063

what is invertor supply and raw powersupply

2116

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