Automobile Engineering in ME
In a square type engine

Stroke length and cylinder bore are same
Two cylinders are placed horizontal and two vertical
Diameter and length of piston are same
Geometrical shape is square

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
The main function of the tread pattern on tyre is that

The tread pattern protects the tyre's inner carcass from small stones and pieces of glass
In wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
The crests between the tread grooves absorb road noise
The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
The purpose of a balancer shaft is to

Adjusts the timing of the intake and exhaust valve openings
Balance the timing in the movement of the two groups of pistons
Increase inertia force of the rotating crankshaft
Reduce vibrations caused by the crankshaft rotation

ANSWER DOWNLOAD EXAMIANS APP