Wghat is D-curve MCBs

Question Posted / ravi

3 Answers
6842 Views
Indeco, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Wghat is D-curve MCBs..

Answer / abishekmittal

Answer number 1 is o.k. but to add to that in D-TYPE MCBs,
instantaneous tripping occurs only for currents greater
than 10 x times the rated value of MCB.

Is This Answer Correct ?

5 Yes

0 No

Wghat is D-curve MCBs..

Answer / jayaseelan

d-curve mcbs appl. to avoid high inrush current
ex.transformer,induction motors etc.

Is This Answer Correct ?

7 Yes

3 No

Wghat is D-curve MCBs..

Answer / expert

I think the first ans is wrong, D curve only refers to
the shape of back side of MCB , by which it is mounted on
the mounting strip

Is This Answer Correct ?

0 Yes

16 No

Post New Answer

More Electrical Engineering Interview Questions

What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers

which turbine has high thermal efficiency a)open gas turbine b)close gas turbine

2 Answers

How to calulate Locked rotor amper(LRA) for compressor type motors?

0 Answers MAF Dalkia,

when we decide to use soft starter drive or vfd drive in mcc to operate apump?

0 Answers

What is applied voltage for meggering a 6600V HT cable

2 Answers Sail,

what is the working of air drayar

1 Answers

what is mcb

7 Answers L&T,

3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

3 Answers

can we use heat gun instead of gas torch in 11kv termination kit. I mean can both sources provide enough amount of heat to ensure the uniform shrinkage of sleeve.

1 Answers

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 Answers

in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers GATE,

After synchronizing the running generator with grid, the avr getting tripped and the generator breaker also oettong tripped, before tripping the avr the pf meter of generator is showing leading pf please kindly give a suggestion to rectify this problem.

2 Answers Thermax,

For more Electrical Engineering Interview Questions Click Here