free from corrosion
stronger in tension
free from stress
leak-proof
✅ The correct answer is option D.
Engineering MCQs
There are fourteen atoms in a unit cell of
body centred cubic space lattice
face centred cubic space lattice
close packed hexagonal space lattice
none of these
✅ The correct answer is option B.
The frequency of oscillation of a compound pendulum is
✅ The correct answer is option C.
For gas welding, the pressure desired at the welding torch for oxygen is
7 to 103 kN/m2
70 to 280 kN/m2
280 to 560 kN/m2
560 to 840 kN/m2
✅ The correct answer is option B.
The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)
α = 45° +
α = 45° –
α = 90° + φ
α = 90° – φ
✅ The correct answer is option B.
A turbo-prop is preferred to turbo-jet because
it has high propulsive efficiency at high speeds
it can fly at super sonic speeds
it can fly at high elevations
it has high power for
✅ The correct answer is option D.
The compressive strength of cast iron is __________ that of its tensile strength.
equal to
less than
more than
✅ The correct answer is option C.
An universal coupling is used to connect two shafts
which are perfectly aligned
which are not in exact alignment
have lateral misalignment
whose axes intersect a
✅ The correct answer is option D.
When the top of a tooth undercuts the root on the mating gear, it is known as interference.
Yes
No
✅ The correct answer is option A.