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Mechanical Engineering · all questions

Engineering Thermodynamics
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The fuel mostly used in steam boilers is

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Water contained in a beaker can be made to boil by passing steam through it

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For which of the following substances, the internal energy and enthalpy are the functions of temperature only

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The mass of flue gas per kg of fuel is the ratio of the

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An open cycle gas turbine works on

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One watt is equal to

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If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

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The specific heat of air increases with increase in

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The sum of internal energy (U) and the product of pressure and volume (PV) is known as

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The gas constant (R) is equal to the

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According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

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The efficiency of Stirling cycle is __________ Carnot cycle.

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The efficiency of Ericsson cycle is __________ Carnot cycle.

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The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

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For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

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Diesel cycle consists of __________ processes.

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When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

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The throttling process is __________ process.

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The atomic mass of nitrogen is __________ oxygen.

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A tri-atomic molecule consists of __________ atoms.

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