In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

Machine Design
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

1.5 d

1 d

2.5 d

2 d

1.5 d

1 d

2.5 d

2 d

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Machine Design
Gear box is used

For speed reduction

To obtain variable speeds

To increase efficiency of system

To produce torque

For speed reduction

To obtain variable speeds

To increase efficiency of system

To produce torque

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)

(2WD/ πd3) × K

(8WD/ πd3) × K

(WD/ πd3) × K

(4WD/ πd3) × K

(2WD/ πd3) × K

(8WD/ πd3) × K

(WD/ πd3) × K

(4WD/ πd3) × K

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Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

21

17

15

25

21

17

15

25

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Machine Design
The shear modulus of resilience is proportional to

(Shear stress)²

Shear stress

(Shear stress)⁴

(Shear stress)3

(Shear stress)²

Shear stress

(Shear stress)⁴

(Shear stress)3

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

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Machine Design

Machine Design In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

Machine Design Gear box is used

Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

Machine Design The shear modulus of resilience is proportional to

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
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

Machine Design
Gear box is used

Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

Machine Design
The shear modulus of resilience is proportional to

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?