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Q1. | The thermal or temperature stress is a function of. |

A. | increase in temperature [Wrong Answer] |

B. | modulus of elasticity [Wrong Answer] |

C. | coefficient of linear expansion [Wrong Answer] |

D. | all of these [Correct Answer] |

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Explanation:-
Answer : DDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The assumption, generally, made in the theory of simple bending is that.

the beam material is perfectly homogenous and isotropic

the beam material is stressed within its elastic limit

the plane sections before bending remain plane after bending

all of the above

⇒ 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

⇒ A cantilever beam is one which is.

fixed at both ends

fixed at one end and free at the other end

supported at its ends

supported on more than two supports

⇒ 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 pressure vessel is said to be a thick shell, when.

it is made of thick sheets

the internal pressure is very high

the ratio of wall thickness of the vessel to its diameter is less than 1/10.

the ratio of wall thickness of the vessel to its diameter is greater than 1/10.

⇒ The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight

of same magnitude as that of bar and applied at the lower end

half the weight of bar applied at lower end

half of the square of weight of bar applied at lower end

one-fourth of weight of bar applied at lower end

⇒ The point of contraflexure occurs in?

cantilever beams

simply supported beams

overhanging beams

fixed beams

⇒ If a part is constrained to move and heated, it will develop

principal stress

tensile stress

compressive stress

shear stress

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

equal to

less than

more than

none of these

⇒ The tensile test is carried on __________ materials.

ductile

brittle

malleable

plastic

⇒ The maximum shear stress in a thin spherical shell subjected to an internal pressure (

*p*) is zero.

Yes

No

Minimum

None of these

⇒ 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

⇒ When a bar of length

*l*, width

*b*and thickness

*t*is subjected to a pull of

*P*, its.

length, width and thickness increases

length, width and thickness decreases

length increases, width and thickness decreases

length decreases, width and thickness increases

⇒ The assumption made in Euler's column theory is that.

the failure of column occurs due to buckling alone

the length of column is very large as compared to its cross-sectional dimensions

the column material obeys Hooke's law

all of the above

⇒ 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 a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

increase key length

increase key depth

increase key width

double all the dimensions

⇒ The change in the unit volume of a material under tension with increase in its Poisson's ratio will ,

increase

decrease

remain same

increase initially and then decrease

⇒ A leaf spring is supported at the.

ends and loaded at the centre

centre and loaded at the ends

ends and loaded anywhere

centre and loaded anywhere

⇒ Diamond riveted joint can be adopted in the case of following type of joint

butt joint

lap joint

double riveted lap joints

all types of joints

⇒ A beam encastered at both the ends is called.

simply supported beam

fixed beam

cantilever beam

continuous beam

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

margin

pitch

back pitch

diagonal pitch

⇒ For the beam shown in the below figure, the shear force at

*A*is equal to

wl/6

wl/3

wl

2 wl/3

⇒ Which of the following materials is most elastic

rubber

plastic

brass

steel

⇒ The shear force of a cantilever beam of length

*l*carrying a uniformly distributed load of

*w*per unit length is __________ at the fixed end.

zero

wl/4

wl/2

wl

⇒ 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

⇒ Rivets are made of following type of material

tough

hard

resilient

ductile

⇒ The design of thin cylindrical shells is based on.

hoop stress

longitudinal stress

arithmetic mean of the hoop and the longitudinal stress

geometric mean of the hoop and longitudinal stress

⇒ The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as.

bending moment

twisting moment

torsional rigidity

flexural rigidity

⇒ The direct stress induced in a long column is __________ as compared to bending stress.

same

more

less

negligible

⇒ 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