mild steel
brass
copper
aluminium
✅ The correct answer is option A.
Mechanical Engineering MCQs
Spot welding is used for welding
lap joints in plates having 0.025 mm to 1.25 mm thickness
lap joints in plates having thickness above 3 mm
butt joints in plates having 0.025 mm to 1.25 mm thickness
butt joints in plates
✅ The correct answer is option A.
If the pressure angle is __________ , a reciprocating follower will jam in its bearings.
too small
too large
✅ The correct answer is option B.
The wear of bearing is proportional to velocity and pressure.
Yes
No
✅ The correct answer is option A.
Which one of the following engines will have heavier flywheel than the remaining ones?
30 kW four-stroke petrol engine running at 1500 r.p.m.
30 kW two-stroke petrol engine running at 1500 r.p.m.
30 kW two-stroke diesel engine running at 750 r.p.m.
30 kW four-stroke dies
✅ The correct answer is option A.
In a plain milling machine, the table can be moved
longitudinally
crosswise
vertically
all of these
✅ The correct answer is option D.
The surface to be machined is marked on the pattern by
red colour
yellow colour
black colour
blue colour
✅ The correct answer is option A.
A flow in which the viscosity of fluid is dominating over the inertia force is called
steady flow
unsteady flow
laminar flow
turbulent flow
✅ The correct answer is option C.
The strength of the un-riveted plate (P) per pitch length is equal to
p.d.σt
p.t.σt
(p – d)σt
(p – d)tσt
✅ The correct answer is option B.
Which of the following steel making process is being adopted at Rourkela Steel Plant?
Bessemer process
Open-hearth process
Electric process
L-D process
✅ The correct answer is option D.