1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The molar specific heat at constant pressure of an ideal gas is (7/2) R. The ratio of specific heat at constant pressure to that at constant volume is
A
9/7
B
7/5
C
8/7
D
5/7
2
AIPMT 2005
MCQ (Single Correct Answer)
+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.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following processes is reversible?
A
Transfer of heat by conduction
B
Transfer of heat by radiation
C
Isothermal compression
D
Electrical heating of a nichrome wire.
4
AIPMT 2004
MCQ (Single Correct Answer)
+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
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