Draw retainer ring diagram ?

Explain Die Penetrant test ?

What is meant by Plate crack ?

Explain boiler water alkalinity test and how to control it ?

What is accumulation test ?

Explain hardness testing ?

Explain surface preparation before welding ?

Explain pressure test of fuel injector ?

What is weeping stress ?

Explain airstarting line safety ?

What is boiler turn down ratio ?

Explain FWG principle ?

5 deg or 25 deg which make good wtr production and how ?

What is Liner calibration tool ?

What is crankshafet deflection ?

What are the causes of early injection ?

Why conical shape provided in purifier ?

What is double banking in boiler ?

What is spalling in boiler ?

Boiler panting reason ?

What are the reasons for wxhaust valve burning ?

2S -4S Difference and timing diagram ?

What is cooling water pump test ?

Safety valve and relief valve difference ?

Why air vents in the boiler what happen if air inside ?

Explain priming methods of centrifugal pump ?

Explain centrifugal pump working principle ?

Advantage of superlong stroke ?

Explain 4S lubrication system ?

What is Central priming system ?