p.d.σt
p.t.σt
(p – d)σt
(p – d)t.σt
✅ The correct answer is option D.
Machine Design MCQs
A connecting rod is four times strong in buckling about Y-axis than about X-axis.
Agree
Disagree
✅ The correct answer is option A.
The working of metals above the recrystallisation temperature is known as hot working.
TRUE
FALSE
✅ The correct answer is option A.
In designing thick cylinders, the equation used is
Lame’s equation
Birnie’s equation
Clavarinos’ equation
all of these
✅ The correct answer is option D.
A spring of stiffness 1000 N/m is streteched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is
5 N-m
7 N-m
10 N-m
15 N-m
✅ The correct answer is option D.
A key way lowers
the strength of the shaft
the rigidity of the shaft
both the strength and rigidity of the shaft
the ductility of the s
✅ The correct answer is option C.
A connecting rod subjected to an axial load may buckle in the plane perpendicular to the plane of motion of the connecting rod.
Correct
Incorrect
✅ The correct answer is option A.
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
same
double
one-half
one-fourth
✅ The correct answer is option B.
When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.
Correct
Incorrect
✅ The correct answer is option A.
The process which improves the machinability of steels, but lowers the hardness and tensile strength is
normalising
full annealing
process annealing
spheroidising
✅ The correct answer is option D.