Mechanical Engineering
2017 · Paper 2
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Complete GATE ME 2017 Paper 2 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionME-2MCQ2 marksNeeds review
A calorically perfect gas (specific heat at constant pressure 1000 J/kg·K) enters and leaves a gas turbine with the same velocity. The temperatures of the gas at turbine entry and exit are 110 K and 400 K, respectively. The power produced is 4.6 MW and heat escapes at the rate of 300 kJ/s through the turbine casing. The mass flow rate of the gas (in kg/s) through the turbine is
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Open questionME-2NAT2 marksNeeds review
One kg of an ideal gas (gas constant
J/kg·K) undergoes an irreversible process from state-1 (1 bar, 300 K) to state-2 (2 bar, 300 K). The change in specific entropy (
) of the gas (in J/kg·K) in the process is ____________.Log in to check the answer
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Open questionME-2MCQ2 marksNeeds review
The volume and temperature of air (assumed to be an ideal gas) in a closed vessel is 2.87 m
and 300 K, respectively. The gauge pressure indicated by a manometer fitted to the wall of the vessel is 0.5 bar. If the gas constant of air is
J/kg·K and the atmospheric pressure is 1 bar, the mass of air (in kg) in the vessel isYour answerChoose one option.
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