brittle metals
ductile metals
hard metals
soft metals
✅ The correct answer is option B.
Mechanical Engineering MCQs
The flank of the tooth is the surface of the tooth __________ the pitch surface.
above
below
✅ The correct answer is option B.
Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?
Silicon
Sulphur
Manganese
Phosphorus
✅ The correct answer is option A.
The maximum displacement of a body, from its mean position is called amplitude.
TRUE
FALSE
✅ The correct answer is option A.
In spring balances, the spring is used
to apply forces
to measure forces
to absorb shocks
to store strain energy
✅ The correct answer is option B.
The material which on machining produces chips with built up edge is
brittle material
tough material
hard material
ductile material
✅ The correct answer is option D.
The governing of steam engines keep the engine speed constant according to the changing load conditions
Yes
No
✅ The correct answer is option A.
A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to
wear of bond
breaking of abrasive grains
wear of abrasive grains
cracks on grinding whe
✅ The correct answer is option C.
The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called
Newton’s first law of motion
Newton’s second law of motion
principle of conservation of energy
principle of conservat
✅ The correct answer is option D.
An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called
addendum circle
dedendum circle
pitch circle
clearance circle
✅ The correct answer is option C.