29. What trend is developed for ship machineries under the cost reduction incentive for reducing
the number of crews onboard?
(A) Automation
(B) Integration
(C) Safety operation
(D) Standardization
27. 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
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