Entry Test MCQ :: Heat and Thermodynamics
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1. |
Dimension of pressure is |
Answer: Option C
Explanation:
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2. |
Temperature is a property which determines |
A. |
How much heat a body contains |
B. |
Whether a body will feel hot or cold to touch |
C. |
In which direction heat will flow between two systems |
D. |
How much total absolute energy a body has |
Answer: Option C
Explanation:
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3. |
We prefer mercury as a thermometric substance because |
A. |
Over a wide range of temperature its expansion is uniform |
B. |
It does not stick to thermometer glass |
C. |
It opaque to light |
D. |
All of above |
Answer: Option D
Explanation:
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4. |
The scales of temperature are based on two fixed points which are |
A. |
The temperatures of water at 0? 100?C |
B. |
The temperature of melting ice and boiling water at atmospheric pressure |
C. |
The temperatures of ice cold and boiling water |
D. |
The temperatures of frozen and boiling mercury |
Answer: Option B
Explanation:
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5. |
Numerical value of Boltzmanns constant is |
A. |
1.38x10-31JK-1 |
B. |
3.18x10-31JK-1 |
C. |
3.18x10-23JK-1 |
D. |
1.38x10-23JK-1 |
Answer: Option D
Explanation:
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6. |
In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because |
A. |
Mercury takes a long time to contract |
B. |
The amount of mercury use is very small |
C. |
The capillary tube has a small constriction near the bulb |
D. |
The capillary tube is very narrow |
Answer: Option C
Explanation:
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7. |
Normal human body temperature 98.6?F corresponds to |
Answer: Option A
Explanation:
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8. |
The Fahrenheit and centigrade scales agree to |
Answer: Option A
Explanation:
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9. |
The size of one degree of Celsius is equal to |
A. |
One degree of Fahrenheit scale |
B. |
1.8 degrees of Fahrenheit scale |
C. |
3.2 degrees of Fahrenheit scale |
D. |
2.12 degrees of Fahrenheit scale |
Answer: Option B
Explanation:
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10. |
At constant temperature the graph between V and 1/P is |
A. |
Hyperbola |
B. |
Parabola |
C. |
A curve of any shape |
D. |
A straight lime |
Answer: Option D
Explanation:
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