Class 8 Science MCQs - Chapter 4
Heating and Cooling Multiple Choice Questions (MCQ) PDF Download - 6
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Heating and Cooling MCQs with Answers PDF Download: Quiz 6
In bridges to overcome expansion there is use of
- rollers
- sliding joints
- both a and b
- allowance
Blocks of concrete which are few meters long are laid with gaps to overcome
- expansion
- conduction
- convection
- radiation
If one part of fluid is heated it
- expands
- less denser
- rises
- all of them
Sea and land breezes are due to
- conduction
- convection
- radiation
- expansion
Homes and buildings are kept well ventilated by making use of
- conduction
- convection
- radiation
- convection currents
Class 8 Science Mock Tests
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