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Engineering Thermodynamics

Engineering Thermodynamics
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are

Real functions
Path functions
Point functions
Cyclic functions

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Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ā€˜n’ is equal to

0.75
1
1.27
1.35

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Engineering Thermodynamics
One molecule of oxygen consists of __________ atoms of oxygen.

4
16
2
8

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Dual cycle, Diesel cycle, Otto cycle
Diesel cycle, Otto cycle, Dual cycle
Otto cycle, Diesel cycle, Dual cycle

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Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Product
Sum
Ratio
Difference

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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

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

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MORE MCQ ON Engineering Thermodynamics

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