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)

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

(WD/ πd3) × K

(4WD/ πd3) × K

(8WD/ πd3) × K

(2WD/ πd3) × K

(WD/ πd3) × K

(4WD/ πd3) × K

(8WD/ πd3) × K

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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
Cast iron pipes are mainly used

In pressure lubrication systems on prime movers

In water and sewage systems

For conveying steam

All of these

In pressure lubrication systems on prime movers

In water and sewage systems

For conveying steam

All of these

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Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

d

0.8 d

0.5 d

1.2 d

d

0.8 d

0.5 d

1.2 d

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Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

√2P/s.l

P/√2.s.l

P/2.s.l

2P/s.l

√2P/s.l

P/√2.s.l

P/2.s.l

2P/s.l

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Machine Design
Plastic flow in ductile materials

Lessens the seriousness of static loading stress concentration

Increases the seriousness of static loading stress concentration

Depends on other considerations

Has no effect on it

Lessens the seriousness of static loading stress concentration

Increases the seriousness of static loading stress concentration

Depends on other considerations

Has no effect on it

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Machine Design

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 Cast iron pipes are mainly used

Machine Design The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

Machine Design Plastic flow in ductile materials

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
Cast iron pipes are mainly used

Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

Machine Design
Plastic flow in ductile materials