Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Steam lap
Lead
Exhaust lap
None of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

Remain same as before
Become equal to 2R
Become equal to R/4
Become equal to R/2

ANSWER DOWNLOAD EXAMIANS APP