Heat Class 7 MCQ Online Test

The increase in length per unit length per 1°C rise of temperature is called 1. Coefficient of a real expansion 2. Coefficient of cubical expansion 3. Coefficient of linear expansion 4. All of these

The method of mixture obeys the fundamental principle of 1. Bomb calorimeter 2. Calorimetry 3. Specific heat 4. Latent heat

The amount of heat absorbed by a body is proportional to 1. mass of the body 2. rise in temperature of the body 3. both 1 and 2 4. none of these

The instrument used to determine the calorific value of a fuel is 1. Thermometer 2. Thermostat 3. Bomb calorimeter 4. Calorimeter

The C.G.S. unit of heat 1. Joule 2. Calorie 3. Erg 4. Degree centigrade

A bomb calorimeter is used to determine the calorific value of 1. fuels only 2. food only 3. both 1 and 2 4. none of these

Thermostats are used in 1. iron box 2. refrigerators 3. fire alarms 4. all of these

Thermostat works on the principle of 1. Calorimetry 2. Bomb calorimeter 3. Bimetallic strip 4. Thermometer

To convert unit of specific heat in C.G.S. to S.I. system, multiply the value with 1.4.18 2.41.8 3. 0.418 4.3.17

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Heat Class 7 MCQ Online Test

The calorific values of food and fuels are determined by 1. Calorimeter 2. Bomb calorimeter 3. Thermometer 4. Thermostat

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The increase in length per unit length per 1°C rise of temperature is called 1. Coefficient of a real expansion 2. Coefficient of cubical expansion 3. Coefficient of linear expansion 4. All of these

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The method of mixture obeys the fundamental principle of 1. Bomb calorimeter 2. Calorimetry 3. Specific heat 4. Latent heat

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The amount of heat absorbed by a body is proportional to 1. mass of the body 2. rise in temperature of the body 3. both 1 and 2 4. none of these

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The instrument used to determine the calorific value of a fuel is 1. Thermometer 2. Thermostat 3. Bomb calorimeter 4. Calorimeter

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The C.G.S. unit of heat 1. Joule 2. Calorie 3. Erg 4. Degree centigrade

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A bomb calorimeter is used to determine the calorific value of 1. fuels only 2. food only 3. both 1 and 2 4. none of these

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Thermostats are used in 1. iron box 2. refrigerators 3. fire alarms 4. all of these

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Thermostat works on the principle of 1. Calorimetry 2. Bomb calorimeter 3. Bimetallic strip 4. Thermometer

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To convert unit of specific heat in C.G.S. to S.I. system, multiply the value with 1.4.18 2.41.8 3. 0.418 4.3.17

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