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Q1. | In a stress-strain diagram for mild steel, as shown in the below figure, the point Arepresents |

A. | elastic limit [Correct Answer] |

B. | upper yield-point [Wrong Answer] |

C. | lower yield point [Wrong Answer] |

D. | breaking point [Wrong Answer] |

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Explanation:-
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⇒ Hooke's law holds good upto

yield point

limit of proportionality

breaking point

elastic limit

⇒ A thin cylindrical shell of diameter (

*d*), length (

*l*) and thickness (

*t*)is subjected to an internal pressure (

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

pd/t

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⇒ The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is.

in the vertical plane

in the horizontal plane

in the same plane in which the beam bends

at right angle to the plane in which the beam bends

⇒ 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

⇒ Resilience is the?

energy stored in a body when strained within elastic limits

energy stored in a body when strained upto the breaking of the specimen

maximum strain energy which can be stored in a body

none of the above

⇒ The rivets are made from ductile material.

Yes

No

minimum

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⇒ According to Euler's column theory, the crippling load of a column is given by

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*EI*/

*Cl*

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

Ïƒ cos Î¸

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Ïƒ sin Î¸

Ïƒ sin2 Î¸

⇒ Hook's law holds good up to

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plastic limit

breaking point

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longitudinal stress and lateral stress

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⇒ The elasticity of various materials is controlled by its

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proof stress

stress at yield point

stress at elastic limit

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one equilateral triangle

two equilateral triangles

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

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maximum at the inner surface and minimum at the outer surface

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maximum at the inner surface and zero at the outer surface

⇒ 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

⇒ 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

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

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True

False

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

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decrease

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

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Agree

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⇒ The volumetric strain is the ratio of the.

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