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WCS Set-1
Levers and Simple machines
8

Levers and Simple machines MCQ with Answers

8) What effort required to lift a load of 150 kg in a wheel and axle, if the velocity ratio is 2.5 and the efficiency of the machine is 75%?

70 kg

80 kg

90 kg

100 kg

Answer is:

80 kg

Levers and Simple machines MCQ with Answers

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Related Levers and Simple machines MCQ with Answers

9) What is the distance of the load from the fulcrum called?

Effort arm

Load arm

Power arm

Effort

Answer is:

Load arm

10) Which is example for first order lever?

A wheel barrow

A pair of scissors

Fire tongs

Lime squeezer

Answer is:

A pair of scissors

Which is example for first order lever?

11) Which is example for second order lever?

Common balance

A pair of scissors

Bottle opener

Human forearm

Answer is:

Bottle opener

Which is example for second order lever?

12) Which is example for third order lever?

Common balance

Forceps

A pair of scissors

Lime squeezer

Answer is:

Forceps

Which is example for third order lever?

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