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The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when?
Answer: Option 4 Let'
1 Answers 3 views
Maximum work is done in compressing air when the compression is?
Answer: Option 2 Maximum work is done in compressing air when the compression is adiabatic
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The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)?
Answer: Option 3 Let'
1 Answers 1 views
The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)?
Answer: Option 3 The air standard efficiency of an I.C. engine is given by 1 - (1/rγ - 1) where r = Compression ratio, γ = Ratio of specific heats
1 Answers 1 views
The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)?
Answer: Option 2 Let'
1 Answers 4 views
According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)?
Answer: Option 1 Let'
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Which command will be used to display a column file compression ratio for each file of Double spaced disk?
Answer: Option 4 Let'
1 Answers 3 views
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would?
Answer: Option 3 There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure...
1 Answers 1 views
Highest useful compression ratio (HUCR) is the highest compression ratio at which the?
Answer: Option 4 Highest Useful Compression Ratio (HUCR) is the compression ratio at which a fuel can be used without detonation in a specified test engine under specified operating condition...
1 Answers 4 views
Which of the following non-flow reversible compression processes require maximum work?
Answer: Option 1 If we see the $$P-V$$ plots for isobaric, adiabatic and isothermal process the area under the graph is more in case of isobaric process hence the work...
1 Answers 2 views