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Explain the working of any one cutting machine
Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.
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How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
by what factor the starting current is used when comparing star and delta connection for motor starting?
Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1. H1-H2 = H2-H3 H3-H1 2. H2-H3 = H3-H1 H1-H2 3. H3-H1 = H1-H2 H2-H3 For the LV side also: 4. X1-X0 = X2-X0 X3-X0 5. X2-X0 = X3-X0 X1-X0 6. X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0 H2-H0 H3-H0 X0-X1 X0-X2 X0-X3 128.0 119.9 7.2 29.2 13.3 15.8 70.7 128.4 59.2 23.4 22.0 3.6 7.2 120.1 128.1 13.4 29.3 15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.
what is difference between speed mode and torque mode in motor?? explain in simple words please.
what is the value of combined earthing in general electrical circiut?
i want to know about torque of slip ring induction motor
how is capacitor bank look like
What is the function of interposing current transformer?
