2-Mar
3-Apr
1
9-Aug
✅ The correct answer is option D.
Mechanical Engineering MCQs
The property of a bearing material which has the ability to accomodate small particles of dust, grit etc. without scoring the material of the journal, is called
bondability
embeddability
comformability
fatigue strength
✅ The correct answer is option B.
The reheat factor depends upon
initial pressure and superheat
exit pressure
turbine stage efficiency
all of these
✅ The correct answer is option D.
Second law of thermodynamics defines
heat
work
internal energy
entropy
✅ The correct answer is option D.
Macro-structure of a material is, generally, examined by
naked eye
optical microscope
metallurgical microscope
X-ray techniques
✅ The correct answer is option A.
In a pantograph, all the pairs are
turning pairs
sliding pairs
spherical pairs
self-closed pairs
✅ The correct answer is option A.
The casting ability of aluminium increases when __________ is added to aluminium.
copper
magnesium
silicon
lead and bismuth
✅ The correct answer is option C.
When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid
remains horizontal
becomes curved
falls on the front end
falls on the back end
✅ The correct answer is option C.
Which of the following has the highest calorific value?
Peat
Lignite
Bituminous coal
Anthracite coal
✅ The correct answer is option D.
Which of the following operation is first performed?
Spot facing
Boring
Tapping
Drilling
✅ The correct answer is option D.