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)

A. Reduces the stopping distance B. Minimizes the brake fade C. Maintains directional control during braking by preventing the wheels from locking D. Prevents nose dives during braking and thereby postpones locking of the wheels

A. A high boiling point B. Low viscosity C. Compatibility with rubber and metal parts D. All of these

A. Distance between the centres of the front and rear wheels B. Distance between the centres of the front tyres C. Distance between the centres of the rear tyres D. Extreme length of the vehicle

A. Lead peroxide (PbO₂) B. Spongy lead (Pb) C. Lead sulphate (PbSO₄) D. Sulphuric acid (H₂SO₄)