area of cross-section of the column
length and least radius of gyration of the column
modulus of elasticity for the material of the column
all of the above
✅ The correct answer is option D.
Mechanical Engineering MCQs
The performance of air compressor at high altitudes will be __________ as compared to that at sea level.
same
lower
higher
✅ The correct answer is option B.
The saw milling is an operation of
producing grooves around the periphery of a cylindrical or conical workpiece
producing narrow slots or grooves on a workpiece
reproduction of an outline of a template on a workpiece
machining several surf
✅ The correct answer is option B.
The capacity of a strained body for doing work on the removal of the straining force, is called
strain energy
resilience
proof resilience
impact energy
✅ The correct answer is option B.
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.
rectangular
square
parallel
✅ The correct answer is option C.
The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.
0.34 times
0.67 times
0.81 times
0.95 times
✅ The correct answer is option C.
In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called
normal pitch
axial pitch
diametral pitch
module
✅ The correct answer is option A.
The primary unbalanced force is maximum __________ in one revolution of the crank.
twice
four times
eight times
sixteen times
✅ The correct answer is option A.
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the
initial tension
external load applied
sum of the initial tension and external load applied
initial tension or ext
✅ The correct answer is option C.
The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is
zero
wl2/2
wl2/4
wl2/8
✅ The correct answer is option A.