What are the safeties installed on msbd, types of fuses and HRC?

Explain alternator external and internal maintenance and specification of alternator?

Explain working of transformer, losses in transformer and why air cooling not oil?

How many types of voltages on ship and sources, how to get 24v dc on board? what is rectifier?

What are the differences between primary and secondary cell, tell 10 differences?

What are the advantage of filler gauge?

Tell the reason what will happen if gap will be increased?

Which type of filler gauge you will use and its material?

What is difference b/n diode and zener diode, tell 10 difference?

Why capacitor used in ac circuit and not in dc?

Explain Sulfonication in lead acid battery?

What is governor droop?

How voltmeter and ammeter used in circuit?

What if we try to restart single phased machine for repeated times?

Why continuity test and how on long a wire?

Explain Steering gear alarms acc to SOLAS?

Generator rotating but voltage showing zero, why?

How is transformer maintenance done and when it is done?

What is Lrc circuit?

Explain Protection of starter, acb men mccb full form and difference?

Explain excitation system on your ship and how much volt have you seen it?

What are 5 temp measuring devices on board ship?

What are Auxiliary contacts fn in ACB?

What is diode and function of it?

What is the Min voltage of HV system?

What are the equipment connected with ESB?

What is the cause of increased air gap ? Value on your ship. What happens if the value increases?

Power factor. What does it mean in operation? How to increase pf?

Causes of generator not producing power?

What is the meaning of in - phase?