Mechanical Engineering - Thermodynamics

36.
The standard value of atmospheric pressure taken at sea level is
1.013 bar
760 mm of Hg
1013 x 102 N/m2
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
The efficiency of Otto cycle depends upon the specific heats of the working substance.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as
element
compound
atom
molecule
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The absolute zero pressure can be attained at a temperature of
0°C
273°C
273 K
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.
9/7
11/7
7/4
11/4
Answer: Option
Explanation:
No answer description is available. Let's discuss.