pitch circle
base circle
addendum circle
dedendum circle
✅ The correct answer is option B.
Mechanical Engineering MCQs
Modulus of resilience is the proof resilience per unit volume of a material.
Correct
Incorrect
✅ The correct answer is option A.
The forced-fed lubrication system means that the oil is delivered to the engine by
gravity
the pressure created by the oil pump
splashing action of the crankshaft
none of these
✅ The correct answer is option B.
In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
TRUE
FALSE
✅ The correct answer is option A.
When a bar of length l, width b and thickness t is subjected to a pull of P, its
length, width and thickness increases
length, width and thickness decreases
length increases, width and thickness decreases
length decreases, widt
✅ The correct answer is option C.
The velocity of a body moving with simple harmonic motion is __________ at the mean position.
zero
minimum
maximum
✅ The correct answer is option C.
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)
Cc x Cv
Cc x Cr
Cv x Cr
Cc/Cr
✅ The correct answer is option A.
Creep in belt is due to
material of the belt
material of the pulley
uneven extensions and contractions due to varying tension
all of the above
✅ The correct answer is option C.
The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.
Correct
Incorrect
✅ The correct answer is option A.