Pressure Vessels and Engines MCQ with Answers

Pressure Vessels and Engines MCQ with Answers

116) The material commonly used for air craft gas turbine is

Answer is:

Timken, Haste and Inconel allpys

117) It is not possible to use closed gas turbine cycle in aeronautical engines because

Answer is:

it requires cooling water for its operation

118) The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of

Answer is:

99%.

119) The maximum combustion pressure in gas turbine as compared to I.C. engine is

Answer is:

less

120) For an irreversible gas turbine cycle, the efficiency and work ratio both depend on

Answer is:

both pressure ratio and maximum cycle temperature

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