Class 8 Courses

Chapter 4: Class 8 Science Exam Tests

Class 8 Science MCQs - Chapter 4

Heating and Cooling Multiple Choice Questions (MCQ) PDF - 6

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Heating and Cooling Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26:

In bridges to overcome expansion there is use of

  1. rollers
  2. sliding joints
  3. both a and b
  4. allowance
MCQ 27:

Blocks of concrete which are few meters long are laid with gaps to overcome

  1. expansion
  2. conduction
  3. convection
  4. radiation
MCQ 28:

If one part of fluid is heated it

  1. expands
  2. less denser
  3. rises
  4. all of them
MCQ 29:

Sea and land breezes are due to

  1. conduction
  2. convection
  3. radiation
  4. expansion
MCQ 30:

Homes and buildings are kept well ventilated by making use of

  1. conduction
  2. convection
  3. radiation
  4. convection currents

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Heating and Cooling App (Android & iOS)

Heating and Cooling App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (iOS & Android)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)