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Q1. | When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as. |

A. | single riveted lap joint [Wrong Answer] |

B. | double riveted lap joint [Correct Answer] |

C. | double riveted single cover butt joint [Wrong Answer] |

D. | double riveted double cover butt joint [Wrong Answer] |

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

⇒ A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be.

tensile

compressive

shear

zero

⇒ In the torsion equation the term

*J*/

*R*is called

shear modulus

section modulus

polar modulus

none of these

⇒ When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.

equal to

directly proportional to

inversely proportional to

independent of

⇒ 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

⇒ A composite shaft consisting of two stepped portions having spring constants

*k*

_{1}and

*k*

_{2}is held between two rigid supports at the ends. Its equivalent spring constant is?

K1+K2/2

K1+K2/K1K2

K1K2/K1+K2

K1K2

⇒ A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be

30 MN/m2

50 MN/m2

100 MN/m2

200 MN/m2

⇒ When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal.

polar moment of inertia

polar modulus

diameter

angle of twist

⇒ 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

⇒ The polar moment of inertia of a hollow shaft of outer diameter (

*D*) and inner diameter (

*d*) is?

n/16(D3-d3)

n/16(D4-d4)

n/32(D4-d4)

n/64(D4-d4)

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

equal to

less than

greater than

none of these

⇒ In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that.

stress is uniform throughout the beam

strain is uniform throughout the beam

stress is proportional to the distance from the neutral axis

strain is proportional to the distance from the neutral axis

⇒ Two solid shafts '

*A*' and '

*B*' are made of the same material. The shaft '

*A*' is of 50 mm diameter and shaft '

*B*' is of 100 mm diameter. The strength of shaft '

*B*' is __________ as that of shaft

*A*.

one-half

double

four times

eight times

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

margin

pitch

back pitch

diagonal pitch

⇒ The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4

^{th}of its maximum crushing stress of punch, is equal to (where

*t*= Thickness of the plate)

t

2t

4t

8t

⇒ 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 intensity of stress which causes unit strain is called

unit stress

bulk modulus

modulus of rigidity

modulus of elasticity

⇒ Lame's theory is associated with

thin cylindrical shells

thick cylindrical shells

direct and bending stresses

none of these

⇒ 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

⇒ If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is?

0.20

0.30

0.50

0.60

⇒ 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 stress developed in the material without any permanent set is called

elastic limit

yield stress

ultimate stress

breaking stress

⇒ A riveted joint in which the number otrivets decrease from innermost to outer most row is called

chain riveted joint

diamond riveted joint

cross-cross riveted joint

zig-zag riveted joint

⇒ Flow stress corresponds to

fluids in motion

breaking point

plastic deformation of solids

rupture stress

⇒ When a rectangular beam is loaded transversely, the zero stress is developed on the neutral axis.

True

False

maximum

minimum

⇒ 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 thin spherical shell of diameter (

*d*) and thickness (

*t*) is subjected to an internal pressure (

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

pd/t

pd/2t

pd/4t

pd/8t

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

linear strain

lateral strain

volumetric strain

Poisson's ratio

⇒ When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as __________ double cover butt joint.

single riveted

double riveted

triple riveted

fourth riveted

⇒ 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

⇒ A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as

chain riveted joint

diamond riveted joint

cross-cross riveted joint

zig-zag riveted joint