When a flash-type evaporator is to be secured for an extended period of time, the entire unit should be drained, cleaned

A dirty intercooler on an air compressor will cause

A leakage or loss of pressure past the piston into the crankcase is __

When a diesel engine emits blue exhaust smoke this is due to

Boiler firesides must be kept free of soot accumulations because

A suitable location for the installation of an impulse type steam trap would be in the

What could cause a flame failure in a boiler?

If the fuel oil temperature going to the burners is too low, the __

When maneuvering, you discover heavy smoke coming from the turbocharger casing. You should

What lifting gear is used to remove the cylinder head of an diesel generator after disconnecting it from the engine?

Excessive lube oil consumption in a reciprocating air compressor is an indication of

One cause of leaky valves in an air compressor may be

The precautionary things to be done to avoid electric shock while working onboard are ____. I. Work on dry places. II. Use rubber gloves and shoes. III. Avoid working on hot places

Very small irregularities on the seat and disk of a globe valve may be manually repaired with the valve in place by the process known

What do you call the process of putting grinding compound between an exhaust valve and valve seat and rotating it in back and forth motion to restore a good fit on both the seat and the valve?

A clogged fuel oil filter could result in:

The factors that determine the service life of packing in a pump will include which of the following conditions?

When there is crackling noise coming from a centrifugal pump housing this is an indication of __

If a refrigeration system were short of refrigerant, the condition would result in __

Dark exhaust gas from the engine is caused by __

What prevents the steam pressure from exceeding allowable working pressure

If the flow of water from a centrifugal pump is allowed to be stopped by closing the discharge valve while the pump continues to run for an indefinite period, the __

Before commencing work inside a bilge tank what test are you require to before entering

What is a lantern ring?

Which of the additives listed is used to reduce the foaming tendency of lube oil?

Malfunctioning of the feed pump to deliver feed water to an auxiliary boiler could be caused by __

Why is there a relief valve installed on the boiler burner fuel service system?

Air leaking in the flash type distilling plant could occur through __

A diesel engine fails to start. What should not be the cause?

If a centrifugal pump delivers insufficient discharge pressure due to worn wearing rings, what corrective actions is called for

What is the small end bearing in 4 stroke diesel engines?

Why is there a relief valve installed on the boiler burner fuel service system?

Which of the condensers listed is cooled by seawater?

What clearance is important in main condenser pumps to insure adequate discharge pressures?

Is it advisable to clean and reuse paper LO cartridge filters?

A leakage first-stage unloader ina n air compressor will result in __

A leakage first-stage unloader ina n air compressor will result in __

Heavy soot accumulations in an auxiliary boiler could be caused by ___

To connect two lengths of pipe previously set in place, you should use a pipe

What type cooling medium is use on modern 4 stroke diesel generators to cool atomizer nozzles?

If a refrigeration system is overchaged with refrigerant, one result will be __

The nut of the bowl assembly of a purifier is confirmed tight by means of ___

The noise created by condensate in steam lines when opening fuel oil storage tank heater is called ___

Combustion gases can leak into the fire room through _

Badly leaking refrigeration compressor discharge valves will cause

High salinity can be reduced and water chemistry controlled in a steaming boiler by adding caustic soda and phoshate and then

What type of work permit is needed when working inside to clean the boiler tubes the boiler?

One cause of diesel engine surging can be a result of

The feed water in an auxiliary boiler should be chemically tested daily for alkalinity and

If the foundation bolts of a reciprocating air compressor are loose, which of the conditions below will occur?

A suspected leak in an operating fuel oil heating coil is normally confirmed by __

Which of the following statement is true about Lubricating oil coolers?

When there is enough supply of fue oil and engine failed to turn over after air starting valve has opened, what could be the cause?

What is the common cause of lube oil purifier overflow?

Dark exhaust gas from the engine is caused by __

What corrective action is required when the boiler water test result show any hardness?

Honing is a procedure done in an engine liner or cylinder bore to __