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EEE Job Interview Question Answer [ Part 2 ]



Here is some common question for a interviewer [EEE] .....


Abbreviation of – PVC, MMF, CC, KVAR, TRIAC, CRT, TPST

PVC - Polyvinyl chloride

MMF - Magnetomotive Force

CC- Combined Cycle

KVAR-Kilovolt Ampere resistive

TRIAC - Triode for alternating Current

CRT - Cathode Ray Tube

TPST - Triple pole single throw

 

 

What is forward reverse starter ? What is earth resistance for 1500 KVAR ?

Forward converse starter is utilized to run the engine in the two sides forward and turn around & 5 Ohm

 

In a 3-phase motor, the reading is 2500kwh & 1000kvar. What is PF?

P=25001000/3600=394.45W

Q=1000KVR

S= √694,45^2+1000^2 =1217.50VA

P.F=PS =0.570

 

In a LT panel R 150A, Y 162A & B 155A. What is total power where V = 400 & PF = 0.98

P.F=0.98 Pr=400*150*.98 =58800w =58.8kw

 Py=400•162•.98 =63.504kw

Pb=400•1555•.98 =60.76kw

P total=58.8+63.50+60.76 =183.064kw.

 

Click Here For EEE Job Interview Question Answer [ Part 1 ]

Click Here For EEE Job Interview Question Answer [ Part 3 ]


 

What is primary & secondery current for X-former 11KV/.415KV at 2000KVA ?

primary=145.45A.

secondary=3855.43A


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