SSC JE Electrical Engineering 2017 Set 3 Paper

Question : 198 of 200

Marks: +1, -0

Two locomotives having identical tractive-effortslip characteristic haul a heavy train. The locomotive with larger diameter shares___

Larger tractive effort
Smaller tractive effort
Equal tractive effort
None of these

Validate

Solution:

Tractive effort

T_C={Pd^2L}/D

Where P is Pressure difference between two side of the cylinder
A is Area of the piston of the engine
d is Diameter of the piston
D is Diameter of the wheel of locomotive
L is Length of the stroke of the engine
If Diameter of locomotive is large then it share less tractive effect.

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