WorksheetsFULL TOPICS EM
Total questions: 20
Worksheet time: 10mins
The ability of a material to resist deformation is said to be
Toughness
Brittleness
Strength
Plasticity
A member which does not regain its original shape after the removal of external load is called
Elastic
Plastic
Rigid
None of these
The ratio between the ultimate stress and the working stress is termed as
Shear stress
Tensile stress
Factor of safety
Compressive stress
One joule = _________Ergs.
105
106
107
108
A machine displaces a load of 150 kg through a distance of 0.4 m, when an effort Of 20 kg acts through a distance of 5 m. The percentage efficiency of the machine is :
0.6359
75
45
60
A load of 1 Tonne is lifted by an effort of 250 kg. Then the Mechanical Advantage is :
200
50
5
4
1 micron = _____________ metre
106
10-6
10 sq
10 cu
Mass is a………..quantity.
Vector
Scalar
Fixed
Variable
The value of one Horse power in British system is______Foot Pound/second.
555
735
746
550
A metal piece with a weight of 60 kg is resting on an even surface. If a force of 18 kg is able to just produce the motion, find the co-efficient of friction
3.33
0.3
1080
1
If the velocity of a moving body changes from u to v after t seconds the acceleration of the body is
(v-u)/t
(v + u/2)t
(v - u)t
(v - u)t2
One pound is equal to :
2.2 gm
453.59 gm
4.54 gm
0.0024 gm
The unit of angular velocity is :
m/min
rad
rad /sec
m2/min
The vertical distance travelled by a particle, upward in ‘t’ seconds is denoted by h, then :
h = ut -1/2gt
h = ut +1/2 gt2
h = ut +1/2gt
h = ut -1/2gt2
A body of weight 300 kN is placed on a horizontal plane. If the coefficient of friction between the body and the horizontal plane is 0.25. Determine the horizontal force required to just slide the body
50 kN
65 kN
75 kN
85 kN
If the co-efficient of friction (μ) is 0.3 and normal reaction (R) is 10 N, then the frictional force (F) is
3 N
30 N
10.3 N
9.7 N
A ladder resting on the ground and leaning against a smooth vertical wall, the force of friction at the upper end is
Downwards
Upwards
Perpendicular to the wall
Zero
Moment of inertia of a triangular section about an axis passing through it's centre of gravity is:
bh2/12
bh2/36
bh3/36
bh3/12
The distance of centre of gravity of semi-circle of radius 3cm, lies at a distance of
3/π from the diameter
4/π from the diameter
4/3π from the diameter
3/4π from the diameter
If a body moves in such a way that it's equation of motion is S= t3 + 8t2 - 5 then the distance it will travel in one second is
4
3
8
14
