longitudinal vibrations
transverse vibrations
torsional vibrations
none of these
✅ The correct answer is option C.
Mechanical Engineering MCQs
The main purpose of an engine’s air cleaner is that it
controls the engine’s air intake volume
reduces the engine’s air intake noise
prevents rain water from entering the engine
prevents dust and othe
✅ The correct answer is option D.
The process of removing moisture from the air, without change in its dry bulb temperature, is called dehumidification.
Correct
Incorrect
✅ The correct answer is option A.
Locomotive boiler produces steam at a very high rate.
Yes
No
✅ The correct answer is option A.
The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.
Correct
Incorrect
✅ The correct answer is option B.
Creep in belt drive is due to
weak material of the belt
weak material of the pulley
uneven extensions and contractions of the belt when it passes from tight side to slack side
expansion of the belt
✅ The correct answer is option C.
Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.
Agree
Disagree
✅ The correct answer is option A.
The product of the diametral pitch and circular pitch is equal to
1
1/π
π
π x number of teeth
✅ The correct answer is option C.
The seat belt tensioners are built in the
front seats
shoulder anchors
seat belt retractors
seat belt buckles
✅ The correct answer is option C.
In S. I. units, the value of the universal gas constant is
8.314 J/kg mole-K
83.14 J/kgmole-K
831.4 J/kgmole-K
8314 J/kgmole-K
✅ The correct answer is option D.