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30 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
True or False : Water vapour content of air is measured by relative humidity.
Answer
False. It is measured by absolute humidity.
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Question 21 Mark
True or False : The temperature at which air gets saturated by water vapour is called dew point.
Answer
True
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Question 41 Mark
True or False : Thermometer is used to measure specific heat capacity.
Answer
False. Caloriemeter is used to measure specific heat capacity.
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Question 51 Mark
True or False : Specific latent heat of fusion is expressed in g/cal.
Answer
False. (Specific latent heat of fusion is expressed in cal/g.)
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Question 61 Mark
True or False : Specific heat is denote by letter 'h'.
Answer
False. Specific heat is denoted by letter 'c'.
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Question 141 Mark
True or False : In CGS system, heat is measured in calorie.
Answer
False. In CGS. heat is measured in calorie.
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Question 151 Mark
True or False : In CGS specific heat capacity can be measured in calorie.
Answer
False. Specific heat capacity in CGS is measured in cal/g°C
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Question 161 Mark
True or False : If the temperature of water is raised from 0 °C to 10 °C, its volume goes on increasing.
Answer
False. (If the temperature of water is raised from 0 °C to 10 °C, its volume goes on decreasing in the range 0 °C to 4 °C and then goes on increasing in the range 4 °C to 10 °C.)
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Question 201 Mark
True or False : Heat is necessary to saturate the air with vapour
Answer
False. Temperature has influence on saturation of air.
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Question 211 Mark
True or False : Different substances have same specific heat capacities.
Answer
False. Different substances have different specific heat capacities.
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Question 241 Mark
True or False : At dew point, the relative humidity is 60%.
Answer
False. At dew point the relative humidity is 100%
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Question 261 Mark
True or False : At 4°C the volume of water is maximum.
Answer
False. At 4°C volume is minimum, density is maximum.
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