Automobile Engineering in ME
The indicated power of a four stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m², L = Length of stroke in metres, A = Cross-sectional area of the piston in m², and N = Speed of the engine in revolutions per second (r.p.s)

2 × P.L.A.N
P.L.A.N/4
P.L.A.N/2
P.L.A.N

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Automobile Engineering in ME
The basic function of the suspension is to

Automatically correct the effects of over steering
Ensure that the steering wheel can deliver a suitable amount of steering force
Absorbs vibration and impact forces from the road surface
Ensure that wheel alignment is not disturbed during driving

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