Question

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

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (A)

Both the assertion and the reason are correct. Special lubricants have to be used at low temperature.