What is hertz in electrical system?
Draw a parallel circuit with one battery and two resistors. Derive the formula for resistance?
Define earth lamp?
What is the use of multi tester?
"How to check the diode, fuse and bearer switch?"
What is the formula to determine the speed of induction motor?
Name the four most important components of a Freon refrigeration system.
What is an expansion valve and its purpose?
What happen when the expansion valve is excessively open?
Purpose of evaporator in refrigeration system.
What are the characteristics of Freon 12?
Explain the cycle of refrigeration system.
Where id the warm side of a refrigeration system?
What safety device will activate to stop the compressor in the refrigeration system
What is short cycling in refrigeration system?