2. What equipment is used to automatically drain condensate from piping, heaters and other
equipment?
(A) Discharge pump
(B) Storm valve
(C) Drain pipe
(D) Trap
10. 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
11. Provision must be made in pipe systems for changes in length due to change of
temperature, both in the pipe and machinery items which they join. What kind of equipment is
above description?
(A) Quick connecting joint
(B) Flange joint
(C) Expansion joint
(D) Welding joint
20. 使用厚薄規檢查導條和十字頭導板在J, K, L, M位置的間隙,翻譯成英文為Checked the
clearance between guide strips and crosshead guide at position J, K, L and M by means
of________.,其空格為下列何者?
(A) micro meter
(B) dial gauge
(C) thickness gauge
(D) depth gauge
22. This type of units is covered by a wide range of designs, and they are commonly used,
particularly for more viscous liquids such as lubricating oil. What pumps are above description?
(A) Gear and Screw type pumps
(B) Gear and Centrifugal type pumps
(C) Screw and Centrifugal type pumps
(D) Ejector and Centrifugal type pumps
24. Selection of a relief valve is important. Which caution is not necessary to be considered?
(A) Correct size
(B) Have a good conductor of electricity
(C) Loading
(D) Limit of its set pressure
28. The minimum temperature to which the exhaust gas is cooled is also a limitation since, in
order to avoid what in the cold end of the boiler and stack, the temperature should not be allowed
to drop below the acid dew point?
(A) fatigue
(B) thermal fatigue
(C) creeping
(D) corrosion
38. Which type of marine propulsive engine has the worst tolerance for low-quality fuel?
(A) Diesel engine
(B) Steam turbine engine
(C) Gas turbine engine
(D) Electrical propulsion system driven by diesel engine
39. The increase of compression ratio of a gas turbine with Brayton cycle will increase what?
(A) fuel consumption
(B) isentropic efficiency
(C) cut-off ratio
(D) thermal efficiency