compression and oil-control rings
compression and sliding seal rings
oil scrapper and oil-control rings
pressure and sealing r
✅ The correct answer is option A.
Mechanical Engineering MCQs
In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
normal stress remains constant in all directions
normal stress varies linearly in the material
elastic constants are same in all the directions
elastic constants vari
✅ The correct answer is option C.
Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.
Correct
Incorrect
✅ The correct answer is option B.
If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will
have same value as that of standard specimen
increase
decrease
✅ The correct answer is option C.
The strength of a riveted joint is equal to
tearing strength of plate (Pt)
shearing strength of rivet (Ps)
crushing strength of rivet (Pc)
least value of Pt Ps a
✅ The correct answer is option D.
The form factor of a helical gear __________ with the increase in the helix angle.
increases
decreases
remains constant
✅ The correct answer is option A.
Silicon bronze contains
60% copper, 35% zinc and 5% manganese
88% copper, 10% tin and 2% zinc
96% copper, 3% silicon and 1% manganese
76% copper, 20% silico
✅ The correct answer is option C.
When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmittivity (τ) = 0, then the body is said to be a
black body
grey body
opaque body
white body
✅ The correct answer is option A.
The axis of precession is __________ to the plane in which the axis of spin is going to rotate.
parallel
perpendicular
✅ The correct answer is option B.
The V-belts are particularly suitable for __________ drives.
short
long
✅ The correct answer is option A.