Mechanical Engineering - Automobile Engineering - Discussion

Discussion Forum : Automobile Engineering - Section 6 (Q.No. 41)
41.
A petrol engine of a car develops 125 N-m torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is
8.091 N-m
80.91 N-m
809.1 N-m
8091 N-m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Sai venkata raja said:   6 years ago
Please explain clearly.

Aarthie Ravichandran said:   7 years ago
Torque =gear ratio * final drive ratio * overall transmission efficiency.
T = 1.75 * 4.11 * 90/100 * 125,
T = 809.1 Nm.
(1)

LALIT MLAV said:   1 decade ago
T = G*N*Te.

1.75*4.11*90%*125 = 809.1N-M.

Ajith said:   1 decade ago
Engine torque * gear ratio * final drive ratio * overall transmission efficiency.

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