how to calculate efficiency of voltage and current controlled welding transformer?
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
Define maximum demand?
What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i
WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??
WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP
WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??
1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?
A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3
What is the tolerence limit between neutral and earth in 230 V AC System?
why we r using 4-20ma instead of 0-20ma in instrumentation
What is a system?