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NEET2007PhysicsMechanical Properties of FluidsActual

Assertion : Machine parts are jammed in winter. Reason : The viscosity of lubricant used in machine parts increase at low temperatures.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion
  3. CIf assertion is true but reason is false
  4. DIf both assertion and reason are false.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of assertion

Step-by-step solution

Special lubricants have to be used at low temperature.

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