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Strength of Materials practice set

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.
If a force acts on a body, it sets up some resistance to the deformation. This resistance is known as
a)
Stress
b)
Strain
c)
Elasticity
d)
Load
2.
The term deformation per unit length is applied for
a)
Stress
b)
Strain
c)
Elasticity
d)
Load
3.
The property of a material to recover its original size when the applied force is removed
a)
Elastic limit
b)
Plastic limit
c)
Elasticity
d)
Plasticity
4.
The limit, beyond which the piece of metal deforms permanently
a)
Elastic limit
b)
Plastic limit
c)
Elasticity
d)
Plasticity
5.
The property which allows a metal rod to be drawn into a wire of smaller cross section
a)
Hardness
b)
Toughness
c)
Malleability
d)
Ductility
6.
When a material is loaded within elastic limit stress is proportional to
a)
Load
b)
Strain
c)
Area
d)
Length
7.
The stress-strain relationship is
a)
Linear
b)
Parabolic
c)
Elliptical
d)
Non linear
8.
The capacity of a material to resist penetration, abrasion or a cut is known as
a)
Toughness
b)
Malleability
c)
Ductility
d)
Hardness
9.
When a body is subjected to two equal and opposite pushing forces, the length of the body tends to decrease. These pushing forces are called
a)
Stress
b)
Strain
c)
Compressive load
d)
Tensile load
10.

Due to external loads, the resistance offered by the material is (a)   proportional to the deformation of the material

11.
An external force applied on a rigid body is called
a)
Stress
b)
Strain
c)
Load
d)
Deformation
12.
Which law states that the stress is directly proportional to strain within the elastic limit
a)
Newton's Law
b)
Hooke's Law
c)
Euler's Law
d)
Mohr's Law
13.

The property which allows a metal beam to be bent by hammering is known as (a)  

14.

Modulus of elasticity is otherwise called as (a)   modulus

15.
The unit of Tensile stress is
a)
N
b)
N/mm2
c)
mm
d)
No unit
16.
The unit of Tensile strain is
a)
N
b)
N/mm2
c)
mm
d)
No unit
17.
The unit of Modulus of Elasticity is
a)
N
b)
N/mm2
c)
mm
d)
No unit
18.
The S.I unit of load is
a)
N
b)
N/mm2
c)
mm
d)
No unit
19.

1 Pa (Pascal) = (a)   N/m2

20.

Short column fails due to

a)

Crushing Load

b)

Buckling Load

21.

Long column fails due to

a)

Crushing Load

b)

Buckling Load

22.

Unit of slenderness ratio

a)

m

b)

cm

c)

mm

d)

No unit

23.

Column is also called as

a)

Stanchion

b)

Strut

24.

A column is a (a)   member subjected to an axial compressive load

25.

The load at which the column start buckles is called as

a)

Crushing Load

b)

Buckling Load

26.

In a leaf spring, the length of all the leaves are equal.

a)

True

b)

False

c)

None of the above

27.

A beam supported on more than two supports is called

a)

simply supported beam

b)

fixed beam

c)

overhanging beam

d)

continuous beam

28.

The bending stress in a beam is __________ bending moment

a)

equal to

b)

less than

c)

more than

d)

directly proportional to

29.

Shear modulus is the ratio of

a)

linear stress to linear strain

b)

linear stress to lateral strain

c)

volumetric strain to linear strain

d)

shear stress to shear strain

30.

When there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a

a)

point load at the two points

b)

no loading between the two points

c)

uniformly distributed load between the two points

d)

uniformly varying load between the two points

31.

In spring balances, the spring is used

a)

to apply forces

b)

to measure forces

c)

to absorb shocks

d)

to store strain energy

32.

A shaft may be

a)

Solid

b)

Hollow

c)

Tapered

d)

All of the above

33.

The value of shear stress is zero at

a)

The outer surface

b)

The axis of the shaft

34.

The value of shear stress is maximum at

a)

The outer surface

b)

The axis of the shaft

35.

Torsional rigidity is the product of

a)

C & J

b)

I & J

c)

G & L

d)

T & J

36.

The shear stress intensity at any point is proportional to

a)

G

b)

L

c)

r

37.

Power transmitted by shaft (P) in KW

a)

2πNT/60000

b)

2πNT/1000

c)

2πNT/60

38.

The neutral axis of a section is an axis, at which the bending stress is

a)

Maximum

b)

Minimum

c)

Zero

d)

Infinity

39.

Spring stiffness is

a)

Deflection per unit load

b)

Load applied on springs

c)

Deflection of springs

d)

Load per unit deflection

40.

A thin cylinder of diameter and length subjected to an internal pressure the circumferential stress in the shell is

a)

Pd/2t

b)

Pd/3t

c)

Pd/t

d)

Pd/4t

41.

Which type of spring is used for a shock absorbtion in bus

a)

Leaf spring

b)

Helical spring

c)

Spiral spring

d)

Conical spring

42.

Energy stored in the spring is ____________ proportional to the Deflection.

a)

Indirectly

b)

Inversely

c)

Directly

43.

The line of intersection of the neutral layer on a cross-section of a beam is known as

a)

Primary axis

b)

Neutral axis

44.

According to the latest industrial norms, all the material handling applications can be categorized into

a)

Two types

b)

Three types

c)

Four types

d)

None of the above

45.

Conveyors may be

a)

Straight or curved

b)

Reversible or Irreversible

c)

Closed looped

d)

All the above

46.

The carrying medium of a belt conveyor system

a)

Spring

b)

Drive

c)

Belt

d)

None of these

47.

Endless chains to carry loads in chain conveyors runs over

a)

Pulley

b)

Sprocket

c)

Drum

d)

Gear box

48.

Conveyors consist of spiral chute in different sizes are called as

a)

Chute conveyors

b)

Slat conveyors

c)

Elevating conveyors

d)

Roller conveyors

49.

The load hanger (carrier) is attached to the conveyor in

a)

Chute conveyors

b)

Slat conveyors

c)

Elevating conveyors

d)

Trolley conveyors

50.

Conveyor used to discharge material at a higher point is called as

a)

Lifting Conveyors

b)

Elevating Conveyors

c)

Roller Conveyors

d)

None of the above

51.

A two wheeled cart for moving heavy objects manually

a)

Pallet truck

b)

Hand truck

c)

Platform truck

d)

None of the above

52.

A tool used to lift and move pallets

a)

Pallet truck

b)

Hand truck

c)

Platform truck

d)

None of the above

53.

Industrial vehicle which is used to provide support for non-palletized loads

a)

Pallet truck

b)

Hand truck

c)

Platform truck

d)

None of the above

54.

Tractors are also termed as

a)

Trailer

b)

Train

c)

Tugger

d)

None of the above

55.

a walk behind pallet truck with a mast for lifting pallets to heights

a)

Pallet truck

b)

Hand truck

c)

Platform truck

d)

None of the above

56.

A hoist is a mechanical device which is used to

a)

Lift a load

b)

Lower a load

c)

Both

d)

None of the above

57.

Which of these are types of links of a hoist chain

a)

Oval link

b)

Square link

c)

Stud link

d)

All of the above

58.

Monorail is an I-section beam attached to the ceiling.

a)

True

b)

False

59.

The horizontal member in a jib crane is called as

a)

Rail

b)

Trolley

c)

Jib

d)

None of the above

60.

Overhead cranes are used to move extremely heavy or bulky loads through the overhead space

a)

True

b)

False

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