✅ The correct answer is option A.
Mechanical Engineering MCQs
The Francis formula for the discharge over Cippoletti weir is
1.84 LH1/2
1.84 LH
1.84 LH3/2
1.84 LH5/2
✅ The correct answer is option C.
The isothermal and isentropic processes are reversible non-flow processes.
Agree
Disagree
✅ The correct answer is option A.
An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
1%
1.50%
2%
2.50%
✅ The correct answer is option D.
For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.
TRUE
FALSE
✅ The correct answer is option A.
A notch is, usually, made of a metallic plate.
Correct
Incorrect
✅ The correct answer is option A.
Uranium has isotopes
U234
U235
U238
all of these
✅ The correct answer is option D.
Admirality gun metal contains
60% copper, 35% zinc and 5% manganese
76% copper, 20% silicon and 4% zinc
82% copper, 12% zinc and 6% manganese
88% copper, 10% tin an
✅ The correct answer is option D.
Down milling is also called
conventional milling
climb milling
end milling
face milling
✅ The correct answer is option B.
The pull required to crush the rivet per pitch length is
p.t.σt
d.t.σc
π/4 x d2 x σt
π/4 x d2 x σc
✅ The correct answer is option B.