Class 8 Science MCQs - Chapter 4
Heating and Cooling Quiz Questions & Answers PDF Download - 7
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The Quiz: In appliances like electric irons, heaters, air-conditioners and refrigerators the temperatures are kept constant by; "Heating and Cooling" App (iOS, Android) with answers: Extension; Stabilizer; Thermostat; Thermometer; to learn online certification courses. Study Effects of Heat Gain and Loss MCQ Questions, download Amazon eBook (Free Sample) for school certificate.
Heating and Cooling Exam Questions and Answers PDF Download: Test 7
In appliances like electric irons, heaters, air-conditioners and refrigerators the temperatures are kept constant by
- stabilizer
- extension
- thermostat
- thermometer
Ice cubes melt at room temperature due to heat
- gain
- loss
- increased
- constant
When the metal ball loses heat and cools, its volume
- increases
- decreases
- remains same
- raised
The uneven expansion of bimetallic strip is used in
- thermostats
- thermometer
- barometers
- spectrometers
In laboratory the thermometer which is used to measure temperatures is
- ordinary thermometer
- laboratory thermometer
- both a and b
- none
Class 8 Science Mock Tests
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