A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be

Machine Design
A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be

24 kN/m

12 kN/m

6 kN/m

30 kN/m

24 kN/m

12 kN/m

6 kN/m

30 kN/m

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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
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Increasing the cross-section area of bar

Remain unaffected with cross-section area

Would depend upon other factors

Decreasing the cross-section area of bar

Increasing the cross-section area of bar

Remain unaffected with cross-section area

Would depend upon other factors

Decreasing the cross-section area of bar

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Machine Design
A backing ring is used inside the pipe joint when making a

Butt weld

Sleeve weld

Fillet weld

Socket weld

Butt weld

Sleeve weld

Fillet weld

Socket weld

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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-fourth

One-eighth

One-half

Double

One-fourth

One-eighth

One-half

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Machine Design
When a bolt is subjected to an external load, the stress induced in the bolt will be

Shear stress

Combined tensile and shear stress

Any one of these

Tensile stress

Shear stress

Combined tensile and shear stress

Any one of these

Tensile stress

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Machine Design

Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be

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 In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Machine Design A backing ring is used inside the pipe joint when making a

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 When a bolt is subjected to an external load, the stress induced in the bolt will be

Machine Design
A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be

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
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Machine Design
A backing ring is used inside the pipe joint when making a

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
When a bolt is subjected to an external load, the stress induced in the bolt will be