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

6 kN/m

12 kN/m

30 kN/m

24 kN/m

6 kN/m

12 kN/m

30 kN/m

24 kN/m

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Machine Design
In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Combined effect of transverse shear stress and bending stress in the wire

Combined effect of transverse shear stress and curvature of wire

Combined effect of torsional shear stress and transverse shear stress in the wire

Combined effect of bending stress and curvature of the wire

Combined effect of transverse shear stress and bending stress in the wire

Combined effect of transverse shear stress and curvature of wire

Combined effect of torsional shear stress and transverse shear stress in the wire

Combined effect of bending stress and curvature of the wire

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Machine Design
Basic hole is one

Does not exist

Whose lower as well as upper deviations are zero

Whose lower deviation is zero

Whose upper deviation is zero

Does not exist

Whose lower as well as upper deviations are zero

Whose lower deviation is zero

Whose upper deviation is zero

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Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Less than

None of these

Equal to

Greater than

Less than

None of these

Equal to

Greater than

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Machine Design
The maximum bending stress in a curved beam having symmetrical section always occur at the

Neutral axis

Centroidal axis

Inside fiber

Outside fiber

Neutral axis

Centroidal axis

Inside fiber

Outside fiber

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Machine Design
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)

p = D sin (360°/T)

p = D sin (120°/T)

p = D sin (180°/T)

p = D sin (90°/T)

p = D sin (360°/T)

p = D sin (120°/T)

p = D sin (180°/T)

p = D sin (90°/T)

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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 In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Machine Design Basic hole is one

Machine Design A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Machine Design The maximum bending stress in a curved beam having symmetrical section always occur at the

Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)

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
In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

Machine Design
Basic hole is one

Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Machine Design
The maximum bending stress in a curved beam having symmetrical section always occur at the

Machine Design
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)