32.In a steam turbine engine, the is the energy required to spin the turbine backwards in the
atmosphere of exhaust steam.
(A)kinetic energy
(B)blade thermal energy
(C)pressure loss
(D)astern turbine loss
33.Which component of diesel engine is inserted in a cylinder block and enclosed at the top by a
cylinder head to form the combustion space above the piston?
(A)Water jacket
(B)Cylinder liner
(C)Piston crown
(D)Scavenging ports
34.A large fraction of the heat input to an internal-combustion engine is wasted in the . (A)exhaust gas
(B)thermally insulating material
(C)condenser
(D)constructing material
35.What are the speeds of the rotors that shall be carefully calculated in order to avoid the
resonance at normal running speeds?
(A)Exciting speeds
(B)Virtual speeds
(C)Critical speeds
(D)Damping speeds
36.To achieve the processes required of the Brayton cycle, four basic components must be
included, namely, a combustor, a turbine, a , and a heat exchanger.
(A)compressor
(B)condenser
(C)feed water pump
(D)economizer
37.Which equipment is sometimes installed to disperse any insoluble hydrocarbons in the residual
fuel oil, to thoroughly disperse any remaining free water in the fuel oil, and to produce a uniform,
fine droplet, stable, water-in-fuel emulsion?
(A)Fuel injector
(B)Bilge pump
(C)Homogenizer
(D)Intercooler
38.In a gas turbine engine, which device is used during the compression process to enhance the
specific power of the engine?
(A)Recuperator
(B)Intercooler
(C)Air intake
(D)Exhaust uptake
39.When the situations occurred in the machine space that could affect the speed,
maneuverability, power supply or other essentials for ensuring the safe operation of the ship,
which authority should be informed as soon as possible?
(A)Chief marine engineer
(B)Captain
(C)The bridge
(D)Ship owner
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