1
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If the temperature of a gas increased from $27^{\circ} \mathrm{C}$ to $159^{\circ} \mathrm{C}$, the increase in the rms speed of the gas molecules is
A
$142 \%$
B
$71 \%$
C
$80 \%$
D
$20 \%$
2
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The temperature on a fahrenheit temperature scale that is twice the temperature on a celsius temperature scale is
A
$160^{\circ} \mathrm{F}$
B
$240^{\circ} \mathrm{F}$
C
$320^{\circ} \mathrm{F}$
D
$480^{\circ} \mathrm{F}$
3
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The temperatures of equal masses of three different liquids $A, B$ and $C$ are $15^{\circ} \mathrm{C}, 24^{\circ} \mathrm{C}$ and $30^{\circ} \mathrm{C}$, respectively. The resultant temperature when liquids $A$ and $B$ are mixed is $20^{\circ} \mathrm{C}$ and when liquids $B$ and $C$ are mixed is $26^{\circ} \mathrm{C}$. Then, the ratio of specific heat capacities of the liquids $A, B$ and $C$ is
A
$5: 8: 10$
B
$8: 10: 5$
C
$5: 10: 8$
D
$8: 5: 10$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The efficiency of a reversible heat engine working between two temperatures is $50 \%$. The coefficient of performance of a refrigerator working between the same two temperatures but in reverse direction is
A
1
B
2
C
3
D
4
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