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Engineering Thermodynamics

Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Boyle
None of these
Charles
Joule

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Dual combustion cycle
Atkinson cycle
Diesel cycle
Rankine cycle

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Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44142
44015
44138
44046

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Engineering Thermodynamics
A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

-140 kJ
-80 kJ
+60 kJ
-40 kJ

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Engineering Thermodynamics
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

Bituminous coal
Coke
Wood charcoal
Briquetted coal

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Engineering Thermodynamics
The variables which control the physical properties of a perfect gas are

Temperature of the gas
All of these
Volume occupied by the gas
Pressure exerted by the gas

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