same
one-half
one-fourth
one-sixth
✅ The correct answer is option D.
Mechanical Engineering MCQs
In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure
lies in the centre of the beam
lies at the ends of the beam
depends upon the length of beam
does not exist
✅ The correct answer is option D.
A key made from a cylindrical disc having segmental cross-section, is known as
feather key
gib-head key
wood ruff key
flat saddle key
✅ The correct answer is option C.
Rankine Gordon formula for buckling is valid for
long column
short column
short and long column
very long column
✅ The correct answer is option C.
Manganese bronze has
good wearing qualities and high elasticity
high yield point, high fatigue limit and excellent cold and hot corrosion resistance
high resistance to corrosion
valuable cold working
✅ The correct answer is option C.
The rolling resistance is because of the friction between the
wheel rim and tyre
tyre and the road surface
wheel rim and road surface
none of these
✅ The correct answer is option B.
When a point at the end of a link moves with constant angular velocity, its acceleration will have
radial component only
tangential component only
coriolis component only
radial and tangential
✅ The correct answer is option A.
The acetylene cylinder is usually painted with
black colour
white colour
maroon colour
yellow colour
✅ The correct answer is option C.
The efficiency of Otto cycle depends upon the specific heats of the working substance.
Yes
No
✅ The correct answer is option B.
First law of thermodynamics deals with
conservation of heat
conservation of momentum
conservation of mass
conservation of energy
✅ The correct answer is option D.