A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

Machine Design
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

2000 N-m

2050 N-m

2100 N-m

2136 N-m

2000 N-m

2050 N-m

2100 N-m

2136 N-m

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Machine Design
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Move towards right of the bearing making no metal to metal contact

Have contact at the bottom most of the bearing

Move towards right of the bearing making metal to metal contact

Move towards left of the bearing making metal to metal contact

Move towards right of the bearing making no metal to metal contact

Have contact at the bottom most of the bearing

Move towards right of the bearing making metal to metal contact

Move towards left of the bearing making metal to metal contact

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Machine Design
When two helical springs of equal lengths are arranged to form a cluster spring, then

Shear stress in each spring will be equal

Only A is correct

Both A and B is correct

Load taken by each spring will be half the total load

Shear stress in each spring will be equal

Only A is correct

Both A and B is correct

Load taken by each spring will be half the total load

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Flanks of both gear and pinion

Tip of the gear and flank of pinion

Tip of both gear and pinion

Tip of the pinion and flank of gear

Flanks of both gear and pinion

Tip of the gear and flank of pinion

Tip of both gear and pinion

Tip of the pinion and flank of gear

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Machine Design
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

Axially upwards

Axially upwards or downwards

Axially downwards

None of these

Axially upwards

Axially upwards or downwards

Axially downwards

None of these

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Machine Design
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

Long bearing

Square bearing

Medium bearing

Short bearing

Long bearing

Square bearing

Medium bearing

Short bearing

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Machine Design

Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then

Machine Design An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

Machine Design
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Machine Design
When two helical springs of equal lengths are arranged to form a cluster spring, then

Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Machine Design
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

Machine Design
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a