Civil Engineering MCQs

Simple Machines Questions with solutions MCQs

1. In a lifting machine, an effort of 500 N is to be moved by a distance of 20 m to raise a load of 10,000 N by a distance of 0.8 m. Determine the velocity ratio and mechanical advantage of the machine respectively.

A

25 and 20

B

15 and 20

C

25 and 15

D

10 and 15

Simple Machines J.E Civil 2023
Correct Answer : C
Explanation :

Velocity ratio = Distance moved by effort / Distance moved by load = 20/0.8 = 25. Mechanical advantage = Load/Effort = 10000/500 = 20. Efficiency = 20/25. Correct option is 25 and 15.

Correct Answered :

Wrong Answered :

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