Which is a spar, projecting forward over the bow for the purpose of holding the lower ends of the head sails

The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the

The minimum delivery pressure required for diesel engine fuel oil injection depends primarily on the

Which of the following controls the amount of fuel atomize by a return flow oil burner

Which of the items listed below is normally describe a ventilating fan

The operation of a thermostatic steam trap depends upon the

When a boiler flareback occurs, you should

The time constant and R-C circuit may also be defined as the time during which the charging current falls to percent of its initial maximum value

Which of the following is necessary for all waste heat boiler installations, regardless of design or manufacturer?

The action should take when water is found in the fuel oil setting tank is to?

In which of the listed components of refrigeration system does a superheating of the refrigerant take place

Rapid fluctuations of absolute pressure in the last effect of a multi effect submerged tube distilling plant will tend to cause

Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer

The type of pump that is usually used to transfer engine room bilges is the

Which turbocharger component increases air density and helps improve engine operating efficiency

The loss of a diesel engine cylinder air charge through leaky valves, piston ring, worn or scored liners, would be indicated by which of the following sets of exhaust of condition

If a centrifugal pump operating with a positive suction head vibrates, or becomes noisy, the cause could be

Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce

What is mainly the reason why fuel injectors used in heavy fuel oil systems are provided with cooling?

Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ?

Plugged spray holes in a diesel engine fuel injector will cause excessive smoking at idling speed in addition to

Which of the following likely reason when the exhaust temperature is increasing in all cylinders of a normally-running main engine?

The purpose of the diffuser in a boiler burner assembly is to

Which of the listed conditions will occur if the discharge pressure of a rotary pump is increased from the designed 50 psi to 300 psi, while maintaining the same RPM?

The water cooling space on the turbocharger is damaged and you have no spares the cooling water must be closed what steps would you take to ensure least possible damage?

The property of a capacitor to store electricity is called its

The part of a diesel generator engine that must be checked first if heavy smoke is emitting from the funnel during its operation is the?

Where engine bores exceed 230 mm, a bursting disc or flame arrester is to be fitted

What is the reason why steam pressure reduces its pressure while accomplishing work in the engine or turbine?

If fuel injection in a diesel engine begins earlier than the design earlier than the design start of injection, ignition may be delayed because the

Ethylene oxide has a lower explosive limit of 2.0% and an upper explosive limit of 100% by volume in air. This means.

Which of the following fitting has an anchored sleeve with a stuffing box and gland in which an extension of the joining pipe can slide freely within imposed limits?

What is the means of removing the heat of condensation from the refrigerant in a normal refrigerating cycle?

Which of the actions listed should be carried out immediately after securing the fires in one boiler of a two boiler ship?

After the installation of new impeller wearing rings by pressing them onto the pump impeller hub, it is advisable to ?

Which of the following conditions can cause oil to accumulate in the cooling system of a diesel engine

The high pressure cut-out switch will stop the refrigeration compressor when there is?

The initial unloading (at start-up) of the device shown in the illustration is accomplished by

The part of a diesel generator engine that must be checked first if heavy smoke is emitting from the funnel during its operation is the?

Which of the following component is the primary shaft emerging out of the engine? It directly recieves the rotational motion from the crankshaft and rotates at the maximum velocity in high speed engines.

Where engine bores exceed 230 mm, a bursting disc or flame arrester is to be fitted

What is known as an air motion induced in a four cycle diesel engine cylinder to improve air fuel mixing

How is disolved oxygen in boiler feed water minimized?

Temperature measurement is an indication of the?

When a vessel fitted with gland packing stern tube is underwaya small amount of water is allowed to leak through the stern stuffing box in order to.

The burner front refractory should be replaced when the slag accumulation causes?

What is the curve representing vertical sections parallel to the central longitudinal vertical plane of the bow end of a ship

What is the simplest method used for determining if a centrifugal pump is operating as designed?

The primary objective of the auxiliary exhaust system is to supply steam to?

What part of big diesel engine is where burnt gases passes through before it reaches the funnel?

The static suction lift of a pump is the difference in elevation between the

The correct radial clearances between the rotor and the casing in a propulsion turbine are maintained by the turbine

The ability of fuel particle to travel into the combustion chamber before burning

Injection pressure in a common rail fuel system is controlled by

In a large slow-speed propulsion diesel engine, the force applied to the piston is

Through which part of the air register assembly does the largest quantity of air passes through?

An 8-inch (203 mm), globe-type, stop-check valve has been installed in the lube-oil cooler water outlet, with the flow coming in from the top of the disk. This means that

Which of the following statememt is TRUE about an dielectric

The initial unloading (at start-up) of the device shown in the illustration is accomplished by

During a routine round of a diesel engine generator, you observe a low oil level in the governor sump. If there is no visible sign of external leakage, you should suspect the cause to be a/an

How does a quick closing valve operate?

A close path made by several branches of the network is known as

One advantage of a vacuum feed sight glass indicator used on cylinder lubricators over the discharge side liquid filled type sight glass is

When a waste heat boiler is installed in the exhaust of a main propulsion diesel engine, the exhaust gas bypass would be used:

The initial unloading (at start-up) of the device shown in the illustration is accomplished by

The purpose of expansion valve is to

If the overflow tank high- level alarm sounds while the fuel oil tanks are being topped off, the engineer should

feedwater supplied to a flash type distilling plant will flash to vaport in the first-stage due to ?

Which is an example of a secondary refrigerant?

What is the meaning of static suction head of a pump?

Which of the following may cause overheating of the hydraulic pump?

The primary function of a fuel delivery check valve assembly is to

A capacitor consist of two

Which of the following changes in pump operating parameters will lead to pump cavitation in a centrifugal pump that is operating in an open system?

If the fixed orifice in the evaporator steam supply line were to be removed, the steam pressure reducing valve located upstream would