A 40 kva transformer has a core loss of 400W and a full load
copper loss of 800W. What is The proportion of full load at
maxmimum efficiency?
Whether power factor should be high or low? Why?
What is the Diff. btw Fire Alarm System & VESDA System??????
Define rise time.
What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.
we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require.
when neutral will carry the current?what could be the magnitude?
sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?
what is the advantages og idmt relay over magnetic relay??
simple way to find busbar sizes??
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT
what is the mean of short circuuit current ( for ex. 50KA)?
2 Answers Weltech Engineering,
please explain working of revers power relay
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