increases
decreases
✅ The correct answer is option A.
Mechanical Engineering MCQs
For longitudinal joint in boilers, the type of joint used is
butt joint with single cover plate
butt joint with double cover plate
lap joint with one ring overlapping the other
any one of the above
✅ The correct answer is option B.
The efficiency of Diesel cycle increases with increase in cut-off.
Yes
No
✅ The correct answer is option B.
A steam nozzle converts
heat energy of steam into kinetic energy
kinetic energy into heat energy of steam
heat energy of steam into potential energy
potential energy into
✅ The correct answer is option A.
The liquid used in manometers should have
low density
high density
low surface tension
high surface tension
✅ The correct answer is option D.
If the sand is too fine, its permeability will be high.
TRUE
FALSE
✅ The correct answer is option B.
When the front wheels of a vehicle are locked during braking, then
stopping distance becomes extremely long
front tyres skid across the road surface, and the vehicle spins around
rear tyres skid across the road surface, and the vehicle spins around
driver loses control o
✅ The correct answer is option D.
When the pressure intensity at a point is less than the local atmospheric pressure, then the difference of these two pressures is called vacuum pressure.
Agree
Disagree
✅ The correct answer is option A.
The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by
✅ The correct answer is option A.