What is the purpose of capacitor in capacitive run motor, ac commutator motor working principle?

Types of single phase induction motors, uses on board?

Ship supply is 440/60 , when taking supply from shore of 50 hz, how much voltage should be maintained, reasons?

If the same motor run on the 60 hz and 50 hz, what exact difference between on the motor?

Explain Tachometer working principle?

Which material is used in Fuse and what is relay?

What should be the properties of material used for carrying current?

How sound is transmitted through telephone from E/R to bridge?

WHY MORE ELECTRODES TOWARDS AFT?

WHERE IS THE ELECTRONS GOING ULTIMATELY?

WHAT DOES REFERANCE CELLS DO IN ICCP SYSTEMS?

What is an intrinsically safe circuit? Where are these fitted?

What is instrument transformer? How is it fitted in an ammeter and voltmeter?

What are the safeties of steering gear motor?

WHAT ARE GENERAL MAINTENANCE OF ALTERNATOR?

Why colour coding given for 3core cable?

How will you come to ni-cd batt to be renewed?

Why fuse for motor & why not for alternator safety?

Explain alternator safeties?wt is diff between ocit relay & ocit instantaneous relay?

How will you check contin & insulation resistance?

What is the varnish used for motor?

How the dc motor insulation has been brought back when it is submerged in sea water?

In reverse power trip simulation test what all things are happen electrically after pressing the simulation switch?

How do you find out the good capacitor from a bunch of capacitor given to you?

Can a short circuit fault lead to earth fault if yes how?

Difference between acidic and alkaline battery?

What is the function of SCR?

Three factors that determine hysterisis losses?

Function of metal sheathing in cable. Electrical and mechanical reason?

Explain relay construction working?