1
AIPMT 2005
+4
-1
An ideal gas heat engine operates in Carnot cycle between 227oC and 127oC. It absorbs 6 $$\times$$ 104 cal of heat at higher temperature. Amount of heat converted to work is
A
4.8 $$\times$$ 104 cal
B
6 $$\times$$ 104 cal
C
2.4 $$\times$$ 104 cal
D
1.2 $$\times$$ 104 cal.
2
AIPMT 2005
+4
-1
Which of the following processes is reversible?
A
Transfer of heat by conduction
B
C
Isothermal compression
D
Electrical heating of a nichrome wire.
3
AIPMT 2004
+4
-1
The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V, will be
(where R is the gas constant)
A
PV = (5/32)RT
B
PV = 5RT
C
PV = (5/2)RT
D
PV = (5/16) RT
4
AIPMT 2004
+4
-1
One mole of an ideal gas at an initial temperature of T K does 6R joule of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be
A
(T + 2.4) K
B
(T $$-$$ 2.4) K
C
(T + 4) K
D
(T $$-$$ 4) K
EXAM MAP
Medical
NEET