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Q1. | The Rankine's theory for active earth pressure is based on the assumption that. |

A. | the retained material is homogeneous and cohesionless [Wrong Answer] |

B. | the frictional resistance between the retaining wall and the retained material is neglected [Wrong Answer] |

C. | the failure of the retained material takes place along a plane called rupture plane [Wrong Answer] |

D. | all of the above [Correct Answer] |

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

⇒ The unit of stress in S.I. units is

N/mm2

kN/mm2

N/m2

any one of these

⇒ The tensile strength of ductile materials is __________ its compressive strength.

equal to

less than

greater than

none of these

⇒ The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called.

elastic limit

yield point

ultimate point

breaking point

⇒ The capacity of a strained body for doing work on the removal of the straining force, is called

strain energy

resilience

proof resilience

impact energy

⇒ The strength of the un-riveted or solid plate per pitch length is.

d.t.Ïƒc

p.t.Ïƒt

p.t.Ïƒt

Ï€/2 x d2 x Ï„

⇒ The maximum bending moment of a simply supported beam of span

*l*and carrying a point load

*W*at the centre of beam, is

Wl/4

Wl/2

Wl

Wl2/4

⇒ When there is no increase or decrease in shear force between two points, it indicates that there is no change in the bending moment between these points.

True

False

Minimum

None of these

⇒ The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is

2/3

3/4

1

9/8

⇒ The stress at which extension of the material takes place more quickly as com¬pared to the increase in load is called

elastic point of the material

plastic point of the material

breaking point of the material

yielding point of the material

⇒ When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under.

tensile stress

compressive stress

shear stress

bending stress

⇒ In calculating the strength of a riveted joint in tearing, shearing and crushing, the

actual diameter of rivet is used

actual diameter of hole drilled for rivet is used

mean diameter of hole drilled and rivet is used

smaller of the rivet diameter and hole diameter is used

⇒ A reinforced cement concrete beam is considered to be made of.

homogeneous material

hetrogeneous material

composite material

isotropic material

⇒ The neutral axis of the cross-section a beam is that axis at which the bending stress is?

zero

minimum

maximum

infinity

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

margin

pitch

back pitch

diagonal pitch

⇒ 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

⇒ The maximum stress produced in a bar of tapering section is at?

smaller end

larger end

middle

anywhere

⇒ The product of Young's modulus (

*E*) and moment of inertia (

*I*) is known as

modulus of rigidity

bulk modulus

flexural rigidity

torsional rigidity

⇒ The polar moment of inertia of a solid circular shaft of diameter (

*D*) is.

nD3/16

nD3/32

nD4/32

nD4/64

⇒ A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.

True

False

Disagree

None of these

⇒ In the below figure, the plastic range occurs

before point A

beyond point A

between points A and D

between points D and E

⇒ 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

⇒ The volumetric strain is the ratio of the.

original thickness to the change in thickness

change in thickness to the original thickness

original volume to the change in volume

change in volume to the original volume

⇒ The load at which the column just buckles, is known as

buckling load

critical load

crippling load

any one of these

⇒ A concentrated load is one which?

acts at a point on a beam

spreads non-uniformly over the whole length of a beam

spreads uniformly over the whole length of a beam

varies uniformly over the whole length of a beam

⇒ The maximum deflection of a fixed beam of length

*l*carrying a central point load

*W*is.

Wl/48 EI

WI3/96 EI

WI3/192 EI

WI3/384 EI

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

*p*), the tangential stress across the thickness of a cylinder is.

maximum at the outer surface and minimum at the inner surface

maximum at the inner surface and minimum at the outer surface

maximum at the outer surface and zero at the inner surface

maximum at the inner surface and zero at the outer surface

⇒ A non-yielding support implies that the

support is frictionless

support can take any amount of reaction

support holds member firmly

slope of the beam at the support is zero

⇒ A load which acts at a point on a beam is not called uniformly distributed load.

Agree

Disagree

True

False

⇒ An overhanging beam must overhang on both sides.

Correct

Incorrect

false

none of these