Thermodynamics

1. At what temperature are the reading of a Centigrade and Fahrenheit thermometer the same?

A . 40

B . 212

C . 40

D . 100

2. The hand burns more by staem comparatively to boiling water, because

A . The steam has more latent heat

B . Steam sneaked into the body

C . The steam has more power

D . Steam is gig

3. The body temperature of a helthy man is

A . 37 Celsius

B . 98.4 Fahrenheit

C . 98.4 Celsius

D . 98.4 Kelvin

4. The noramal temperature of human body on the Kelvin scale is

A . 280

B . 290

C . 300

D . 310

5. The normal temperature of human body is 98.4F. It's equivalent temperature (inC) is

A . 40.16

B . 36.89

C . 35.72

D . 32.36

6. In cold countries alcohol is preferred to mercury as a thermometric liquid because

A . Alcohol has lower freezing point

B . Alcohol is a better conductor of heat

C . Alcohol is cheapeer than mercury

D . The world production of alcohol is greater than that of mercury

7. What is absolute zero temperature?

A . The starting point of any temperature scale

B . Theoretically the lowest possible temperature

C . The temperature at which the vapour of any liquid substance is condensed

D . The temperature at which all material are in vapour form

8. Expansion during heating

A . Occurs only in soild

B . Increases the weight of the material

C . Decreases the density of the material

D . Occurs at the same rate for all liquids and solids

9. Transfer of heat by convection can take place in

A . Solids and liquids

B . Solids and vacuum

C . Gases and liquids

D . Vecuum and gases

10. When ice melts, then

A . Volume increaes

B . Volume decreases

C . Mass increases

D . Mass Decreases

Thermodynamics

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