Theory of Machine
The partial balancing of reciprocating parts in locomotives produces

Hammer blow
Variation in tractive force along the line of stroke
All of these
Swaying couple

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The steering of a ship means

Turning of a complete ship in a curve towards right or left, while it moves forward
None of these
Movement of a complete ship up and down in vertical plane about transverse axis
Rolling of a complete ship sideways

ANSWER DOWNLOAD EXAMIANS APP