how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

2144

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1896

Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2665

write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2152

What is circuit testing?

1983

what is a half wave, full wave, and bridge rectifer.

1784

The magnitude of electrostatic force between two identical positive ions that are separated by a distance of 5.0 x 10– 10 m is 3.7 x 10–9 N. (a) What is the charge of each ion? (b) How many electrons are “missing” from each ion?

2101

what is the tensile strength of 10swg and 8swg gabion wire?

2027

All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1660

will 1050kva DG set withstand for back charge of 16MVA transformer

1861

What are the different types of fits?

1133

what is meant by moulded case circuit breaker ?

2186

What do you understand by leds? How do they work?

1018

how to determine H- zone in a column? where it will occur?

2215

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

2154