Question: In jet refrigerators, the refrigerating fluid is practically always
[A].water
ammonia
freon
brine
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Enthalpy changes over a constant pressure path are always zero for __________ gas.
Question: Enthalpy changes over a constant pressure path are always zero for __________ gas.
[A].any
a perfect
an easily liquefiable
a real
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Joule-Thomson co-efficient for a perfect gas is
Question: Joule-Thomson co-efficient for a perfect gas is
[A].zero
positive
negative
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Entropy change for an irreversible process taking system and surrounding together is
Question: Entropy change for an irreversible process taking system and surrounding together is
[A].0
> 0
< 0
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
For a cyclic process, a fixed ratio between heat and work
Question: For a cyclic process, a fixed ratio between heat and work
[A].always exists
may exist
never exists
is difficult to predict
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A system is said to be isopiestic, if there is no __________ change.
Question: A system is said to be isopiestic, if there is no __________ change.
[A].temperature
pressure
volume
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
Question: One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
[A].hour
day
minute
second
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c.
Question: A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c.
[A].2.73
28.3
273
283
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.
Question: If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.
[A].100
50
205
200
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
For an ideal gas, the enthalpy
Question: For an ideal gas, the enthalpy
[A].increases with rise in pressure.
decreases with rise in pressure.
is independent of pressure.
is a path function.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.