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Q1. | The maximum deflection of a fixed beam carrying a central point load lies at. |

A. | fixed ends [Wrong Answer] |

B. | centre of beam [Correct Answer] |

C. | l/3 from fixed ends [Wrong Answer] |

D. | none of these [Wrong Answer] |

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

⇒ When a bar of length

*l*and diameter

*d*is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where

*w*= Weight per unit volume of the bar).

wl/2E

wl2/2E

wl3/2E

wl4/2E

⇒ 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

⇒ A tensile test is performed on a mild steel round bar. Its diameter after fracture will.

remain same

increase

decrease

depend upon rate of loading

⇒ The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.

equal to

one-half

twice

four times

⇒ The elasticity of various materials is controlled by its

ultimate tensile stress

proof stress

stress at yield point

stress at elastic limit

⇒ A beam which is fixed at one end and free at the other is called.

simply supported beam

fixed beam

overhanging beam

cantilever beam

⇒ The point of contraflexure occurs in?

cantilever beams

simply supported beams

overhanging beams

fixed beams

⇒ If the radius of wire stretched by a load is doubled, then its Young's modulus will be

doubled

halved

become four times

become one-fourth

⇒ Modulus of rigidity may be defined as the ratio of.

linear stress to lateral strain

lateral strain to linear strain

linear stress to linear strain

shear stress to shear strain

⇒ The object of caulking in a riveted joint is to make the joint?

free from corrosion

stronger in tension

free from stresses

leak-proof

⇒ The stress induced in a body due to suddenly applied load compared to when it is applied gradually is

same

half

two times

four times

⇒ In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is

more

less

same

more/less depending on composition

⇒ A masonry dam may fail due to?

tension in the masonry of the dam and its base

overturning of the dam

crushing of masonry at the base of the dam

any one of the above

⇒ 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

⇒ A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be

same

double

half

one-fourth

⇒ The shear force of 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 __________ at the fixed end.

zero

wl/4

wl/2

wl

⇒ In a tensile test, near the elastic limit zone, the

tensile strain increases more quickly

tensile strain decreases more quickly

tensile strain increases in proportion to the stress

tensile strain decreases in proportion to the stress

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

zero

minimum

maximum

infinity

⇒ 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

⇒ Young's modulus is defined as the ratio of

volumetric stress and volumetric strain

lateral stress and lateral strain

longitudinal stress and longitudinal strain

shear stress to shear strain

⇒ Whenever a material is loaded within elastic limit, stress is __________ strain.

equal to

directly proportional to

inversely proportional to

indirect proportional to

⇒ In the below figure, __________ represents glass.

curve A

curve B

curve C

curve D

⇒ 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

⇒ In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be

chain riveted

zig-zag riveted

diamond riveted

none of these

⇒ Rivets are made of following type of material

tough

hard

resilient

ductile

⇒ 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

⇒ Strain resetters are used to?

measure shear strain

measure linear strain

measure volumetric strain

relieve strain

⇒ The line of intersection of the neutral layer with any normal cross-section of the beam is called neutral axis.

True

False

Incorrect

None of these

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

homogeneous material

hetrogeneous material

composite material

isotropic material

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

equal to

less than

greater than

none of these