5. For diesel engines, fuel is injected into the cylinders of a diesel engine toward the
______________ .
(A) beginning of the compression stroke
(B) end of compression stroke
(C) charging process
(D) exhaust process
7. An adjustment screw permits the valve to be set up for condensate release at a specific
temperature. Clearly in an application where the pressure varies there could be a board band of
operation in which the trap would be ether waterlogged or passing steam. What type of operated
traps is above description?
(A) Thermodynamic trap
(B) Mechanical trap
(C) Thermostatic trap
(D) Vacuum trap
8. The working fluid employed as the heat absorber in any refrigerating process is called as
__________.
(A) heating
(B) recycle
(C) refrigerant
(D) renew
14. The energy per unit mass of a fuel is often quantified by the heating value of the fuel. The
heating values of the residual fuels are typically ________ % lower than the distillates.
(A) 5～7
(B) 8～10
(C) 11～13
(D) 14～16
29. During the inspection of watch keeping, the___________ should be noted.
(A) bilge level
(B) sea water density
(C) flash water density
(D) Temperature of ring
36. What is thermodynamic cycle that could be treated as the ideal cycle of gas turbine
engines?
(A) Otto cycle
(B) Rankine cycle
(C) Brayton cycle
(D) Dual-combustion cycle
38. Which system is designed to propel a ship at the required sea speed range?
(A) Ship auxiliary system
(B) Ship communication system
(C) Ship propulsion system
(D) Ship stabilization system
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