According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Machine Design
According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Equating shearing resistance to the crushing resistance of the rivets

None of these

Equating tearing resistance of the plate to the crushing resistance of the rivets

Equating tearing resistance of the plate to the shearing resistance of the rivets

Equating shearing resistance to the crushing resistance of the rivets

None of these

Equating tearing resistance of the plate to the crushing resistance of the rivets

Equating tearing resistance of the plate to the shearing resistance of the rivets

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Machine Design
An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

Increasing the length of bar

Decreasing the modulus of elasticity of the bar

All of these

Decreasing the cross-sectional area of the bar

Increasing the length of bar

Decreasing the modulus of elasticity of the bar

All of these

Decreasing the cross-sectional area of the bar

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Machine Design
Which one of the following is a positive drive?

Rope drive

Crossed flat belt drive

V-belt drive

Chain drive

Rope drive

Crossed flat belt drive

V-belt drive

Chain drive

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Machine Design
The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of

0.75

0.65

0.55

0.45

0.75

0.65

0.55

0.45

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Machine Design
Basic shaft is one

Whose lower deviation is zero

Does not exist

Whose upper deviation is zero

Whose lower as well as upper deviations are zero

Whose lower deviation is zero

Does not exist

Whose upper deviation is zero

Whose lower as well as upper deviations are zero

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Machine Design
The stress induced in the belt is,

Direct shear stress

Tensile stress

Torsional shear stress

Compressive stress

Direct shear stress

Tensile stress

Torsional shear stress

Compressive stress

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Machine Design

Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

Machine Design Which one of the following is a positive drive?

Machine Design The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of

Machine Design Basic shaft is one

Machine Design The stress induced in the belt is,

Machine Design
According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Machine Design
An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

Machine Design
Which one of the following is a positive drive?

Machine Design
The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of

Machine Design
Basic shaft is one

Machine Design
The stress induced in the belt is,