0.5 s.l.σt
s.l.σt
2 s.l.σt
2.s.l.σt
✅ The correct answer is option C.
Mechanical Engineering MCQs
In order to get uniform thickness of the plate by rolling process, one provides
camber on the rolls
offset on the rolls
hardening of the rolls
antifriction bearings
✅ The correct answer is option A.
The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is
d/4
d/8
d/12
d/16
✅ The correct answer is option B.
The ratio of the inertia force to the viscous force is called
Reynold’s number
Froude’s number
Weber’s number
Euler’s number
✅ The correct answer is option A.
When two helical springs of equal lengths are arranged to form a cluster spring, then
shear stress in each spring will be equal
load taken by each spring will be half the total load
all of the above
none of these
✅ The correct answer is option C.
A molecule consisting of one atom is known as
monoatomic
diatomic
triatomic
polyatomic
✅ The correct answer is option A.
The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called
Newton’s law of motion
Newton’s law of cooling
Newton’s law of viscosity
Newton’s law of resist
✅ The correct answer is option D.
In fore-hand welding, the weld is made
from left to right
from right to left
first from left to right and then from right to left
either from left to ri
✅ The correct answer is option B.
The shear force at the ends of a simply supported beam carrying a uniformly distributed load of w per unit length is
zero at its both ends
wl at one end and – wl at the other end
wl/2 at one end and – wl/2 at the other end
wl2/2 at one end and –
✅ The correct answer is option C.