Agree
Disagree
✅ The correct answer is option A.
Mechanical Engineering MCQs
Inconel contains
65% nickel, 15% chromium and 20% iron
68% nickel, 29% copper and 3% other constituents
80% nickel and 20% chromium
80% nickel, 14% chromi
✅ The correct answer is option D.
The absolute zero pressure will be
when molecular momentum of the system becomes zero
at sea level
at the temperature of – 273 K
at the centre of the e
✅ The correct answer is option A.
The efficiency of a screw jack is dependent upon the load raised or lowered.
TRUE
FALSE
✅ The correct answer is option B.
The impact between two lead spheres is approximately equal to an __________ impact.
elastic
inelastic
✅ The correct answer is option B.
A reinforced cement concrete beam is considered to be made of
homogeneous material
hetrogeneous material
composite material
isotropic material
✅ The correct answer is option B.
A condenser in a steam power plant
increases expansion ratio of steam
reduces back pressure of steam
reduces temperature of exhaust steam
all of these
✅ The correct answer is option D.
A 15 mm drilling machine means that it can drill a hole
of maximum diameter 15 mm
in 15 mm thick plates
having cross-sectional area of 15 mm2
none of these
✅ The correct answer is option A.
If clearance volume of I.C. engines is increased, the compression ratio will
increase
decrease
remain constant
be doubled
✅ The correct answer is option B.
The nuts and bolts are made from silicon steel.
Correct
Incorrect
✅ The correct answer is option B.