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

None of these

Equating shearing resistance to the crushing resistance of the rivets

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

None of these

Equating shearing resistance to the crushing resistance of the rivets

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
The connecting rod bolts are tightened up so that tightening stress

Is just sufficient to hold parts together

Approaches yield point

Is about yield point divided by safety factor

Is 50% of yield point

Is just sufficient to hold parts together

Approaches yield point

Is about yield point divided by safety factor

Is 50% of yield point

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Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

(6V/ π)1/3

(6V/ π)3

(6V/ π)1/2

(6V/ π)2

(6V/ π)1/3

(6V/ π)3

(6V/ π)1/2

(6V/ π)2

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Machine Design
Stress concentration is caused due to

Abrupt change of section

All of these

Pitting at points or areas at which loads on a member are applied

Variation in properties of material from point to point in a member

Abrupt change of section

All of these

Pitting at points or areas at which loads on a member are applied

Variation in properties of material from point to point in a member

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Machine Design
Resilience of a material is important, when it is subjected to

Combined loading

Fatigue

Thermal stresses

Shock loading

Combined loading

Fatigue

Thermal stresses

Shock loading

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Machine Design
For tight leakage joints, following type of thread is best suited

NPT (national pipe threads).

Buttress

Metric

Square

NPT (national pipe threads).

Buttress

Metric

Square

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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 The connecting rod bolts are tightened up so that tightening stress

Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

Machine Design Stress concentration is caused due to

Machine Design Resilience of a material is important, when it is subjected to

Machine Design For tight leakage joints, following type of thread is best suited

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
The connecting rod bolts are tightened up so that tightening stress

Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

Machine Design
Stress concentration is caused due to

Machine Design
Resilience of a material is important, when it is subjected to

Machine Design
For tight leakage joints, following type of thread is best suited