A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct?

Machine Design
A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct?

There are five rivets per pitch length, all in double shear

There are four rivets per pitch length, out of which two are in single shear and two are in double shear

There are four rivets per pitch length, all in double shear

There are five rivets per pitch length, out of which four are in double shear and one is in single shear

There are five rivets per pitch length, all in double shear

There are four rivets per pitch length, out of which two are in single shear and two are in double shear

There are four rivets per pitch length, all in double shear

There are five rivets per pitch length, out of which four are in double shear and one is in single shear

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Machine Design
The property of a material which enables it to resist fracture due to high impact loads is known as

Strength

Endurance

Elasticity

Toughness

Strength

Endurance

Elasticity

Toughness

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Machine Design
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

d/6

d/8

d/2

d/4

d/6

d/8

d/2

d/4

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Machine Design
In thrust bearings, the load acts

Perpendicular to the axis of rotation

Along the axis of rotation

Parallel to the axis of rotation

In any direction

Perpendicular to the axis of rotation

Along the axis of rotation

Parallel to the axis of rotation

In any direction

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Machine Design
In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Combined effect of transverse shear stress and curvature of wire

Combined effect of bending stress and curvature of the wire

Combined effect of torsional shear stress and transverse shear stress in the wire

Combined effect of transverse shear stress and bending stress in the wire

Combined effect of transverse shear stress and curvature of wire

Combined effect of bending stress and curvature of the wire

Combined effect of torsional shear stress and transverse shear stress in the wire

Combined effect of transverse shear stress and bending stress in the wire

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

Pc/3

1 Pc

2 Pc

3 Pc

Pc/3

1 Pc

2 Pc

3 Pc

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Machine Design

Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct?

Machine Design The property of a material which enables it to resist fracture due to high impact loads is known as

Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

Machine Design In thrust bearings, the load acts

Machine Design In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

Machine Design
A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct?

Machine Design
The property of a material which enables it to resist fracture due to high impact loads is known as

Machine Design
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

Machine Design
In thrust bearings, the load acts

Machine Design
In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)