Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is zero
Cut-off is decreased
Cut-off is increased
Cut-off is constant

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Engineering Thermodynamics
According to Avogadro's Hypothesis

Product of the gas constant and the molecular weight of an ideal gas is constant
The sum of partial pressure of mixture of two gases is sum of the two
Gases have two values of specific heat
The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature

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