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Mercury boils at 367°c. However, mercury...

Mercury boils at 367°c. However, mercury thermometers are made such that they can measure temperature upto 500°c. This is done by

A

maintaining vacuum above mercury column in the stem of the thermometer

B

filling nitrogen gas at high pressure above the mercury column

C

filling nitrogen gas at low pressure above the mercury column

D

filling oxygen gas at high pressure above the mercury column

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-THERMOMETRY (PRACTICE SHEET) LEVEL-II (Straight Objective Type Questions)
  1. The resistance of a resistance thermometer has values 2.71 and 3.70 oh...

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  2. No other thermometer is as suitable as a platinum resistance thermomet...

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  3. Mercury boils at 367°c. However, mercury thermometers are made such th...

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  4. You work in materials testing lab and your boss tell you to increase t...

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  5. A temperature is measured by a constant volume gas thermometer.

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  6. The temperature of the gas is measure of :

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  7. Two temperature scales A and B are related by (A-42)/( 110) = (B-72)/(...

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  8. A thermometer is graduated in millimeters. It registers -3 mm when the...

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  9. A copper constantan thermocouple produces an emf of 40 microvolt per d...

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  10. On a X temperature scale, water freezes at -125.0° X and boils at 375....

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  11. Which instrument will you most conveniently employ to measure a temper...

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  12. The temperature range that an be measured by thermocouple thermometer ...

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  13. The temperature of the sun is approximately

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  14. For a constant volume gas thermometer one should fill the gas at

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  15. The temperature of the sun measured with

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  16. Very low temperatures are measured by

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  17. Mercury is used in liquid thermometers because it has

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  18. A constant volume gas thermometer works on

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  19. Very high temperatures are measured by

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  20. The temperature of the sun measured with

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