Home
Class 11
PHYSICS
Machine parts are jammed in winter due t...

Machine parts are jammed in winter due to

A

increase in viscosity of lubricant

B

decrease in viscosity of lubricant

C

increase in surface tension of lubricant

D

decrease in surface tension of lubricant

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise C.U.Q(POISEUILLE.S EQUATION)|44 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (PRESSURE AND PASCAL.S LAW)|9 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise C.U.Q (EQUATION OF CONTINUITY, BERNOULLI.S THEOREM)|25 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

Machine parts are jammed in winter. Why?

Statement-1: Machine parts are jammed in winter. Statement-2: The viscosity of lubricant used in machine part decrease at low temperature.

Give reason for the following: (a) Machine parts get jammed in the winters. (b) A constant driving force is always required for the maintenance of the flow of oil through pipe lines in the refineries. (c) Velocity of water in a river is less near the banks and more in the middle.

Why are the tools and machine parts made of iron smeared with grease or oil ?

Air fills a rooms in winter at 7^@ C and in summer st 37^@ C . If the pressure is the same in winter and summer, the ratio of the weight of the air filled in winter and that in summer is.

When plastic parts are removed from the metal dies on different types of printing machines then these metal parts develop high voltage. Explain why?

Edible part of pear fruit is gritty due to -