1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A Carnot engine takes 300 calories of heat from a source at 500 K and rejects 150 calories of heat to the sink. The temperature of the sink is
A
125 K
B
250 K
C
750 K
D
1000 K
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Pressure of an ideal gas is increased by keeping temperature constant. The kinetic energy of molecules
A
decreases
B
increases
C
remains same
D
increases or decreases depending on the nature of gas
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The S.I. unit of specific heat capacity is
A
$\mathrm{JK}^{-1}$
B
$\mathrm{Jkg}^{-1}$
C
$\mathrm{J} \mathrm{mol}^{-1} \mathrm{~K}^{-1}$
D
$\mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
For which combination of working temperatures, the efficiency of Carnot's engine is the least?
A
$100 \mathrm{~K}, 80 \mathrm{~K}$
B
$40 \mathrm{~K}, 20 \mathrm{~K}$
C
$80 \mathrm{~K}, 60 \mathrm{~K}$
D
$60 \mathrm{~K}, 40 \mathrm{~K}$
KCET Subjects
EXAM MAP