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Q1. | When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress. |

A. | Agree [Correct Answer] |

B. | Disagree [Wrong Answer] |

C. | Yes [Wrong Answer] |

D. | No [Wrong Answer] |

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**Also Read Similar Questions Below :**

⇒ Shear stress induced in a shaft subjected to tension will be

maximum at periphery and zero at center

maximum at center

uniform throughout

average value in center

⇒ The bending stress in abeam is __________ bending moment.

equal to

less than

more than

directly proportional to

⇒ In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length.

equal to

1.5 times

double

2.5 times

⇒ The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.

equal to

one-half

twice

four times

⇒ The thermal or temperature stress is a function of.

increase in temperature

modulus of elasticity

coefficient of linear expansion

all of these

⇒ For the beam shown in the below figure, the shear force at

*A*is equal to

wl/6

wl/3

wl

2 wl/3

⇒ In a stress-strain diagram for mild steel, as shown in the below figure, the point

*A*represents

elastic limit

upper yield-point

lower yield point

breaking point

⇒ Which of the following statement is wrong?

In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.

In a beam subjected to bending moment, the strain is directly proportional to the distance from the neutral axis.

At the neutral axis of a beam, the bending stress is maximum.

The bending stress in a beam is inversely proportional to the section modulus.

⇒ The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.

Agree

Disagree

Both (a) and (b)

None of these

⇒ When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the?

top layer

bottom layer

neutral axis

every cross-section

⇒ The strength of a riveted joint is equal to the.

pull required to tear off the plate per pitch length (Pt)

pull required to shear off the rivet per pitch length (Ps)

pull required to crush the rivet per pitch length (Pc)

minimum value of Pt, Ps or Pc

⇒ The point of contraflexure is a point where?

shear force changes sign

bending moment changes sign

shear force is maximum

bending moment is maximum

⇒ For steel, the ultimate strength in shear as compared to in tension is nearly

same

half

one-third

two-third

⇒ A column is said to be a short column, when.

its length is very small

its cross-sectional area is small

the ratio of its length to the least radhis of gyration is less than 80.

the ratio of its length to the least radius of gyration is more than 80.

⇒ When a body is subjected to a direct tensile stress (σ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle θ to the normal of the section is

Ïƒ sin 2Î¸

Ïƒ cos 2Î¸

Ïƒ/2 sin 2Î¸

Ïƒ/2 cos 2Î¸

⇒ When a change in length takes place, the strain is known as

linear strain

lateral strain

volumetric strain

shear strain

⇒ The bending moment diagram for a cantilever beam of length

*l*and carrying a gradually varying load from zero at the free end and

*w*per unit length at the fixed end is a parabolic curve.

Agree

Disagree

True

False

⇒ The Rankine's theory for active earth pressure is based on the assumption that.

the retained material is homogeneous and cohesionless

the frictional resistance between the retaining wall and the retained material is neglected

the failure of the retained material takes place along a plane called rupture plane

all of the above

⇒ The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.

increases

decreases

remains same

all of the above

⇒ The change in the unit volume of a material under tension with increase in its Poisson's ratio will ,

increase

decrease

remain same

increase initially and then decrease

⇒ The shear force diagram of a cantilever beam of length

*l*and carrying a uniformly distributed load of

*w*per unit length will be

a right angled triangle

an issoscles triangle

an equilateral triangle

a rectangle

⇒ Which of the following statement is correct?

The stress is the pressure per unit area.

The strain is expressed in mm.

Hook's law holds good upto the breaking point.

Stress is directly proportional to strain within elastic limit.

⇒ The deformation of the bar per unit length in the direction of the force is known as.

linear strain

lateral strain

volumetric strain

shear strain

⇒ Which of the following statement is correct?

The size of hole drilled in riveting plates is less than the actual size of rivet.

The centre to centre distance between two consecutive rivets in a row is called margin.

Rivets are generally specified by its shank diameter.

Tearing of plates can be avoided by taking the pitch of rivets equal to 1.5 times the diameter of rivet hole.

⇒ When a column is subjected to an eccentric load, the stress induced in the column will be

direct stress only

bending stress only

shear stress only

direct and bending stress both

⇒ A thin cylindrical shell of diameter (

*d*) and thickness (

*t*) is subjected to an internal pressure (

*p*). The ratio of longitudinal strain to volumetric strain is

m-1/2m-1

2m-1/m-1

m-2/3m-4

m-2/5m-4

⇒ At the neutral axis of a beam.

the layers are subjected to maximum bending stress

the layers are subjected to minimum bending stress

the layers are subjected to compression

the layers do not undergo any strain

⇒ The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to

*w*per metre at the centre, is

zero

wl/4

wl/2

wl2/2

⇒ A riveted joint in which the number otrivets decrease from innermost to outer most row is called

chain riveted joint

diamond riveted joint

cross-cross riveted joint

zig-zag riveted joint

⇒ A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be.

-100 MPa

250 MPa

300 MPa

400 MPa