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

12 kN/m

24 kN/m

30 kN/m

6 kN/m

12 kN/m

24 kN/m

30 kN/m

6 kN/m

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Machine Design
A locking device extensively used in automobile industry is a

Ring nut

Sawn nut

Castle nut

Jam nut

Ring nut

Sawn nut

Castle nut

Jam nut

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Machine Design
A key capable of tilting in a recess milled out in a shaft is known as

Hollow saddle key

Woodruff key

Flat saddle key

Feather key

Hollow saddle key

Woodruff key

Flat saddle key

Feather key

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Machine Design
In oilness bearings

The oil film pressure is generated only by the rotation of the journal

Do not require external supply of lubricant

The oil film is maintained by supplying oil under pressure

Grease required to be applied after some intervals

The oil film pressure is generated only by the rotation of the journal

Do not require external supply of lubricant

The oil film is maintained by supplying oil under pressure

Grease required to be applied after some intervals

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Machine Design
The smallest diameter of an external or internal screw thread is known as

Pitch diameter

Major diameter

Minor diameter

None of these

Pitch diameter

Major diameter

Minor diameter

None of these

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

4 kN-m

1 kN-m

3 kN-m

2 kN-m

4 kN-m

1 kN-m

3 kN-m

2 kN-m

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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 A locking device extensively used in automobile industry is a

Machine Design A key capable of tilting in a recess milled out in a shaft is known as

Machine Design In oilness bearings

Machine Design The smallest diameter of an external or internal screw thread is known as

Machine Design A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

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
A locking device extensively used in automobile industry is a

Machine Design
A key capable of tilting in a recess milled out in a shaft is known as

Machine Design
In oilness bearings

Machine Design
The smallest diameter of an external or internal screw thread is known as

Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is