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Q1. | 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. |

A. | Agree [Correct Answer] |

B. | Disagree [Wrong Answer] |

C. | Both (a) and (b) [Wrong Answer] |

D. | None of these [Wrong Answer] |

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

⇒ If the modulus of elasticity of a material is twice its modulus of rigidity, then the Poisson's ratio of the material is equal to zero.

Correct

Incorrect

Minimum

All of the above

⇒ The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.

in the centre

near the bottom

near the top

at any position

⇒ The strength of the shaft is judged by the torque transmitted by the shaft.

Yes

No

Both (a) and (b)

None of these

⇒ When the shear force diagram is a parabolic curve between two points, it indicates that there is a

point load at the two points

no loading between the two points

uniformly distributed load between the two points

uniformly varying load between the two points

⇒ 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¸

⇒ Hook's law holds good up to

yield point

elastic limit

plastic limit

breaking point

⇒ Mohr's circle is used to determine the stresses on an oblique section of a body subjected to.

direct tensile stress in one plane accompanied by a shear stress

direct tensile stress in two mutually perpendicular directions

direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress

all of the above

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

*D*) is.

nD3/16

nD3/32

nD4/32

nD4/64

⇒ In the below figure, stress is proportional to strain, for the portion

from O to A

from A to C

from A to D

from D to E

⇒ A key is subjected to side pressure as well at shearing forces. These pressures are called

bearing stresses

fatigue stresses

crushing stresses

resultant stresses

⇒ A beam of

*T*-section is subjected to a shear force of

*F*. The maximum shear force will occur at the.

top of the section

bottom of the section

neutral axis of the section

junction of web and flange

⇒ When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as.

Young's modulus

modulus of rigidity

bulk modulus

Poisson's ratio

⇒ The compression test is carried on __________ materials.

ductile

brittle

malleable

plastic

⇒ A body is subjected to a direct tensile stress (σ) in one plane. The shear stress is maximum at a section inclined at __________ to the normal of the section.

45Â° and 90Â°

45Â° and 135Â°

60Â° and 150Â°

30Â° and 135Â°

⇒ The deformation of a bar under its own weight is __________ the deformation, if the same body is subjected to a direct load equal to weight of the body.

equal to

half

double

quadruple

⇒ 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

⇒ Two closely coiled helical springs '

*A*' and '

*B*' are equal in all respects but the number of turns of spring '

*A*' is half that of spring '

*B*' The ratio of deflections in spring '

*A*' to spring '

*B*' is?

1/8

1/4

1/2

2

⇒ Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called

strain

stress

pressure

modulus of elasticity

⇒ 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 energy stored in a body, when strained within elastic limit is known as strain energy.

The maximum strain energy which can be stored in a body is termed as proof resilience.

The proof resilience per unit volume of a material is known as modulus of resilience.

all of the above

⇒ The slenderness ratio is the ratio of.

area of column to least radius of gyration

length of column to least radius of gyration

least radius of gyration to area of column

least radius of gyration to length of column

⇒ When a bar of length

*l*, width

*b*and thickness

*t*is subjected to a push of

*P*, its.

length, width and thickness increases

length, width and thickness decreases

length increases, width and thickness decreases

length decreases, width and tickness increases

⇒ For long columns, thevalue of buckling load is __________ crushing load.

equal to

less than

more than

none of these

⇒ A thin cylindrical shell of diameter (

*d*) length (

*l*) and thickness (

*t*) is subjected to an internal pressure (

*p*). The longitudinal stress in the shell is.

pd/t

pd/2t

pd/4t

pd/6t

⇒ The torsional rigidity of a shaft is expressed by the

maximum torque it can transmit

number of cycles it undergoes before failure

elastic limit upto which it resists torsion, shear and bending stresses

torque required to produce a twist of one radian per unit length of shaft

⇒ A fixed beam is one which is fixed at __________ of its ends.

one

both

zero

none of these

⇒ A continuous beam is one which is

fixed at both ends

fixed at one end and free at the other end

supported on more than two supports

extending beyond the supports

⇒ If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called

chain riveting

zig zag riveting

diamond riveting

cross-cross riveting

⇒ The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.

equal to

more than

less than

none of these

⇒ The materials which exhibit the same elastic properties in all directions are called

homogeneous

inelastic

isotropic

isotropic