What is isps code explain levels and what is level 3 impose on shipboard operation ?

Draw rudder carrier bearing ?

How is a keyless propeller's position located on the taper ?

How much minimum area should be in contact between boss & taper ? how is the same ensured ?

Why is key provided on shaft ?

How is torque transmitted from propeller boss to shaft ?

Draw propeller shaft ?

What are the routine checks on mcc ?

What is thermal imaging ?

What is LO differential trip and how it functions .explain with diagram ?

Explain values of voltage for main and control circuit ?

If in the above case solenoid valve is faulty then how will you come to know ?

If the veg room temp has reached and still the system is cooling what is the reason ?

How defrosting is carried out and at what points is defrosting done ?

Draw the refer ckt ?

Explain fire alarm , sensors working and testing ?

How will you test the oil valve of the ows ?

What was the flooding system and how much discharge it should give ?

During the round one unit of a / e is hot at crankcase door what is the immediate action ?

Why turbochargers are not water cooled nowadays ?

What is npsh and define it ?

Draw jcw system ?

Draw gear pump and explain working ?

What is the gap between the electrode of pilot burner ? why tis gap is provided and why this gap is small

Why there is ignition transformer ?

How much was the pre and post purge time. can you change that and how to find the min amount of purge time ?

Why the boiler have rotary cup burner ?

If some fin elements are leaking the how will you detect it ? how will you plug it ?

Draw boiler ? how many fin elements were there ?

Which fluid will you open first while you bring other cooler in line and the reason for it ?