Mechanical Engineering - Thermodynamics

46.
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as
workdone
entropy
enthalpy
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
The value of 1 mm of Hg is equal to
1.333 N/m2
13.33 N/m2
133.3 N/m2
1333 N/m2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
8/3
11/3
11/7
7/3
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
Boyle's law
Charles' law
Gay-Lussac law
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.