shear strength is equal to crushing strength
shear strength is greater than crushing strength
shear strength is less than crushing strength
none of the above
✅ The correct answer is option A.
Mechanical Engineering MCQs
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.
0.5 times
equal to
2 times
double
✅ The correct answer is option C.
Carbide tipped tools usually have
negative rake angle
positive rake angle
any rake angle
no rake angle
✅ The correct answer is option A.
In comparison with a radial tyre, one advantage of a bias-ply tyre is
longer life
lower rolling resistance
smoother ride at low speeds
none of these
✅ The correct answer is option C.
The efficiency of a boiler is defined as
ratio of heat actually used in producing steam to the heat liberated in the furnace
ratio of the mass of steam produced to the mass of total water supplied in a given time
ratio of the heat liberated in the furnace to the heat actually Used in producing steam
none of the above
✅ The correct answer is option A.
The dynamic viscosity of the liquid __________ with rise in temperature.
remain unaffected
increases
decreases
✅ The correct answer is option C.
In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.
TRUE
FALSE
✅ The correct answer is option A.
The total motion possessed by a body, is called
impulsive force
mass
weight
momentum
✅ The correct answer is option D.
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle
Diesel cycle, Otto cyc
✅ The correct answer is option A.
The crown of the fire box is made hemispherical in order to resist intense heat in the fire box.
TRUE
FALSE
✅ The correct answer is option A.