Civil Engineering MCQJE Level Civil Engineering
For a vehicle negotiating a curve, the centrifugal force P is: (I) directly proportional to the weight of the vehicle; (II) inversely proportional to the square of the speed; (III) inversely proportional to the radius of the curve. Which statements are correct?
Transportation EngineeringTransportation EngineeringMEDIUM
Choose the correct answer
A
(I) and (II)
B
(II) and (III)
C
(I) and (III)
D
(I), (II) and (III)
Correct Answer
C. (I) and (III)
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P = W v^2 / (g R): it is proportional to weight and to v^2, and inversely proportional to R. So (I) and (III) are correct; (II) is wrong (P rises with the square of speed). [Self-solved — please verify.]
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This MCQ belongs to WBPSC JE (Civil) Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.