Which below can be named as device for controlling speeds of turbines?
A) Throttle valve B) Overspeed trip C) Speed requlating governor D) All above E)Only A and B
Soru Kategorisi GASM Sınavı
To prolog the storage life of food stuff by lowering temperature is?
A) Air condiotining B) Evaporationn C) Refrigeration D) Condensation E)Distilation
Which of the following is not a component of a stern?
A) Boss B) skeg C) helm port D) wing transom E)NULL
_________ships are fitted with bow thrusters to improve___________manoeuvring capability.?
A) any / its B) some / them C) some / their D) all / they E)all / its
What kind of bolts would you use on a saltwater line?
A) Cold rolled B) Brass C) Cast iron D) Plastic E)All of the above
Light Displacement Tonnage is?
A) The amount of water spilled out by a ship, when it floats at a specific condition, B) The tonnage value of a ship, after subtracting the volumes of navigational spaces, C) The total volume of all closed spaces in…
Trunk type diesel engine pistons are most effectively cooled when heat is :?
A) Radiated through the engine block B) Mixed with lubrication oil C) Conducted through the piston crown D) Transferred to escaping exhaust gases E)Transferred to water cooled cylinder walls
Which is not a reason for taking on ballast?
A) reducing the draft B) preventing the propeller from slipping C) providing a better stability for ship D) better distribution of weight throughout the vessel E)reducing the freeboard
Under normal conditions, the rate of heat transfer in a feedwater heater is most greatly affected by the ________?
A) Temperature differential between the steam and feedwater B) Density of the feedwater C) Speed of the main feed pump D) pH of the feedwater E)NULL
The motion of the piston in the cylinder is;?
A) rotary B) axial C) bending D) fluctuating E)reciprocating