The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

Machine Design
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

T₁/T₂ = log μθ

T₁/T₂ =eμθ

T₁/T₂ = μθ

log (T₁/T₂) = μθ

T₁/T₂ = log μθ

T₁/T₂ =eμθ

T₁/T₂ = μθ

log (T₁/T₂) = μθ

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Machine Design
An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

Double

One-half

One-fourth

One-eighth

Double

One-half

One-fourth

One-eighth

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Machine Design
The constant factor in case of R10 series of preferred numbers is

1.58

1.12

1.06

1.26

1.58

1.12

1.06

1.26

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Machine Design
The pipe joint mostly used for pipes carrying water at low pressures is

Socket joint

Spigot and socket joint

Nipple joint

Union joint

Socket joint

Spigot and socket joint

Nipple joint

Union joint

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct shear stress

Direct tensile stress

Direct compressive stress

Direct bending stress

Direct shear stress

Direct tensile stress

Direct compressive stress

Direct bending stress

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Machine Design
Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

F.P

F

F + P

P

F.P

F

F + P

P

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Machine Design

Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

Machine Design The constant factor in case of R10 series of preferred numbers is

Machine Design The pipe joint mostly used for pipes carrying water at low pressures is

Machine Design A bolt is designed on the basis of __________ with a large factor of safety.

Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

Machine Design
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

Machine Design
An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

Machine Design
The constant factor in case of R10 series of preferred numbers is

Machine Design
The pipe joint mostly used for pipes carrying water at low pressures is

Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Machine Design
Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is