What is the indication of air in refer system and how to remove and how will you know air is removed ?

Explain glove valve overhauling ?

How to find out cracks in piston rod , how many bottles in dry penetration test and color of bottles ?

Explain centrifugal pump overhauling , which is the weakest part in centrifugal pump & clearances of pump ?

What is maprol ? How many annex ? Whether Annex 6 regulations applicable to life boat or not ?

Free surface effect and its correction methods ?

Purpose of dip tube in CO2 bottle ?

Purpose of hand flares on board ?

Garboard strake where is It location ?

You know Ae LO cooler tubes are leaking , but how to locate and rectify that leakage ? .

Ref system air purging procedure , location of purging valve ?

Non destructibe testing , explain dye pentrnt testing.

You have bolt of full thread but nut is missing , how you will come to know which type of thread and What you use here ?

Method to drill a hole and make threads of 8 mm in a rectangular plate of 9 mm thickness ?

Explain A/E bottom end bearing clearance , how to take , where taken and why ?

Explain centrifugal pump bearing removal , construction of bearing puller and how will you heat the bearing ?

Explain MAC suction and delivery valve overhaul and checks ?

How will you come to know your piston is at Tdc ?

How to drill a hole in 8 mm plate , how will you choose drill bit and how yowill make internal threads ?

Purifier not desludging reasons ?

How will you measure bearing clearance of a/e ?

Explain A/E crankcase inspection ?

How will you test boiler alarms ?

How will you plug smoke tube of smoke tube type boiler ?

Sacrificial anode where have you seen it in engine room and whats the maintenance carried ?

Engine rotocaps where it is ? How it works ?

How many engine room cranes and safeties.How emergency brake is applied ?

Explain Centrifugal pump overhauling ?

What is accumulation pr testing ?

What are the safety valve setting ?