Consider the following statements relating to the curve for the inertia torque v/s crank angle for a
Horizontal single cylinder petrol engine shown in the given figure.
Of these statements
(a) 1 and 3 are correct
(b) 2 and 3 are correct
(c) 1, 2 and 4 are correct
(d) 1, 3 and 4 are correct