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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 5
41.
The heat and work are mutually convertible. This statement is called __________ law of thermodynamics.
Zeroth
First
Second
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Kerosene is distilled at
65° to 220°C
220° to 345°C
345° to 470°C
470° to 550°C
Answer: Option
Explanation:
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43.
The polytropic index (n) is given by
Answer: Option
Explanation:
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44.
The amount of heat obtained by the complete combustion of 1 kg of a fuel when the products of its combustion are cooled down to the temperature of supplied air is called __________ calorific value offuel.
higher
lower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The mass of flue gas per kg of fuel is the ratio of the
mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel
mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas
mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel
mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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