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Q1. | At the neutral axis of a beam. |

A. | the layers are subjected to maximum bending stress [Wrong Answer] |

B. | the layers are subjected to minimum bending stress [Wrong Answer] |

C. | the layers are subjected to compression [Wrong Answer] |

D. | the layers do not undergo any strain [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.

equal to

one-fourth

one-half

twice

⇒ A shaft revolving at ω rad / s transmits torque (

*T*) in N-m. The power developed is.

T.Ï‰ watts

2 Ï€ TÏ‰ watts

2Ï€ TÏ‰/75 watts

watts

⇒ The Young's modulus of a wire is defined as the stress which will increase the length of wire compared to its original length

half

same amount

double

one-fourth

⇒ The distance between the centre of a rivet hole to the nearest edge of plate, is called

margin

pitch

back pitch

diagonal pitch

⇒ A column that fails due to direct stress, is called.

short column

long column

weak column

medium column

⇒ 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 - wl2/2 at the other end

⇒ In the below figure, the stress corresponding to point

*D*is

yield point stress

breaking stress

ultimate stress

elastic limit

⇒ The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to

Young's modulus

bulk modulus

modulus of rigidity

modulus of elasticity

⇒ The torque transmitted by a solid shaft of diameter (

*D*) is (where τ = Maximum allowable shear stress)?

n/4 x Ï„ x D3

n/16 x Ï„ x D3

n/32 x Ï„ x D3

n/64 x Ï„ x D3

⇒ A column with maximum equivalent length has?

both ends hinged

both ends fixed

one end fixed and the other end hinged

one end fixed and the other end free

⇒ 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

⇒ The shear force in the centre of a simply supported beam carrying a uniformly distributed load of

*w*per unit length, is

zero

wl2/2

wl2/4

wl2/8

⇒ The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

plasticity

elasticity

ductility

malleability

⇒ Hook's law holds good up to

yield point

elastic limit

plastic limit

breaking point

⇒ Modulus of resilience is the proof resilience per unit volume of a material.

Correct

Incorrect

minimum

maximum

⇒ In order to know whether a column is long or short, we must know its slenderness ratio.

True

False

incorrect

none of these

⇒ 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

⇒ In a simple bending of beams, the stress in the beam varies?

linearly

parabolically

hyperbolically

elliptically

⇒ 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

⇒ Poisson's ratio is defined as the ratio of

longitudinal stress and longitudinal strain

longitudinal stress and lateral stress

lateral stress and longitudinal stress

lateral stress and lateral strain

⇒ The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder; this stress is called

longitudinal stress

hoop stress

yeiled stress

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⇒ In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.

decreases slowly

increases slowly

decreases more quickly

increases more quickly

⇒ At the neutral axis of a beam, the shear stress is

zero

minimum

maximum

infinity

⇒ When a bar is cooled to - 5°C, it will develop?

no stress

shear stress

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⇒ In a thick cylindrical shell subjected to an internal pressure (

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zero

p (tensile)

-p (compressive)

2p (tensile)

⇒ The pull required to crush the rivet per pitch length is.

p.t.Ïƒt

d.t.Ïƒc

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Ï€/4 x d2 x Ïƒc

⇒ During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is

4 tonnes/cm2

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16 tonnes/cm2

22 tonnes/cm2

⇒ When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as.

single riveted lap joint

double riveted lap joint

double riveted single cover butt joint

double riveted double cover butt joint

⇒ The ratio of shear modulus to the modulus of elasticity for a Poisson's ratio of 0.4 will be.

5/7

7/5

5/14

14/5

⇒ The section modulus (

*Z*) of a beam is given by

I/y

I.y

y/I

M/I