Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | 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 |

A. | m-1/2m-1 [Wrong Answer] |

B. | 2m-1/m-1 [Wrong Answer] |

C. | m-2/3m-4 [Wrong Answer] |

D. | m-2/5m-4 [Correct Answer] |

View Answer
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 :**

⇒ In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length.

equal to

1.5 times

double

2.5 times

⇒ When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.

Agree

Disagree

Maximum

Minimum

⇒ The limit of eccentricity is based upon no tension condition.

True

False

incorrect

none of these

⇒ 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

⇒ When a rectangular beam is loaded longitudinally, the shear force develops on the top layer.

Agree

Disagree

True

False

⇒ 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

⇒ The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder; this stress is called

longitudinal stress

hoop stress

yeiled stress

ultimate stress

⇒ A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then.

bolt arid tube are under tension

bolt and tube are under compression

bolt is under compression and tube is under tension

bolt is Under tension and tube is under compression

⇒ If a material expands freely due to heating it will develop

thermal stresses

tensile stress

bending

compressive stress

⇒ Which of the following is a proper sequence?

proportional limit, elastic limit, yielding, failure

elastic limit, proportional limit, yielding, failure

yielding, proportional limit, elastic limit, failure

none of the above

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

zero

minimum

maximum

infinity

⇒ The shear force at the ends of a simply supported beam carrying a uniformly distributed load of

*w*per unit length is.

zero at its both ends

wl at one end and - wl at the other end

wl/2 at one end and - wl/2 at the other end

wl2/2 at one end and - wl2/2 at the other end

⇒ For a 25 mm hole drilled in plates, the diameter of rivet shank should be?

23mm

24.5mm

25mm

26mm

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

*p*= π

^{2}

*EI*/

*Cl*

^{2}In this equation, the value of

*C*for a column with both ends hinged, is

1/4

1/2

1

2

⇒ When a load on the free end of a cantilever beam is increased, failure will occur

at the free end

at the fixed end

in the middle of the beam

at a distance 2l/3 from free end

⇒ In a leaf spring, the length of all the leaves are equal.

True

False

Disagree

None of these

⇒ The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be

1:2

1 : 3

1 : 4

1 : 2.5

⇒ The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called.

compressive stress

shear stress

bending stress

elastic modulus

⇒ For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.

equal to

less than

greater than

none of these

⇒ The ratio of the largest load in a test to the original cross-sectional area of the test piece is called.

elastic limit

yield stress

ultimate stress

breaking stress

⇒ The shear force in the centre of a simply supported beam carrying a uniformly distributed load of

*w*per unit length, is

zero

wl2/2

wl2/4

wl2/8

⇒ 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 the torsion equation the term

*J*/

*R*is called

shear modulus

section modulus

polar modulus

none of these

⇒ The bending moment of a cantilever beam of length

*l*and carrying a gradually varying load from zero at free end and

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

wl/2

wl

wl2/2

wl2/6

⇒ Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,

both beams are equally economical

square beam is more economical

circular beam is more economical

none of these

⇒ 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 value of Poisson's ratio for steel is between

0.01 to 0.1

0.23 to 0.27

0.25 to 0.33

0.4 to 0.6

⇒ 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 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 ratio of change in volume to the original volume is called.

linear strain

lateral strain

volumetric strain

Poisson's ratio