Mechanical Engineering - Thermodynamics

1.
The atomic mass of sulphur is
12
14
16
32
Answer: Option
Explanation:
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2.
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
-40 kJ
+60 kJ
Answer: Option
Explanation:
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3.
The atomic mass of an element is the number of times the atom of that element is heavier than the hydrogen atom.
True
False
Answer: Option
Explanation:
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4.
The mass of carbon per kg of flue gas is given by
Answer: Option
Explanation:
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5.
A cycle consisting of two isothermal and two isentropic processes, is known as
Carnot cycle
Stirling cycle
Ericsson cycle
Joule cycle
Answer: Option
Explanation:
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