Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is

Manufacturing And Production Technology
Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is

(4π/6)² × (r/l)⁴

(4π/6) × (r/l)²

(4π/6)³ × (r/l)⁶

(4π/6)² × (r/l)³

(4π/6)² × (r/l)⁴

(4π/6) × (r/l)²

(4π/6)³ × (r/l)⁶

(4π/6)² × (r/l)³

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Manufacturing And Production Technology
In a center lathe, the cutting tool is fed in ___ with reference to the lathe axis.

Longitudinal direction only

Any direction

Both cross and longitudinal direction

Cross direction only

Longitudinal direction only

Any direction

Both cross and longitudinal direction

Cross direction only

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Manufacturing And Production Technology
The depth of cut in drilling is ___ the drill diameter.

One-fourth

Equal to

Double

One-half

One-fourth

Equal to

Double

One-half

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Manufacturing And Production Technology
The usual value of the point angle of a drill is

130°

118°

100°

70°

130°

118°

100°

70°

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Manufacturing And Production Technology
Soft materials can not be economically ground due to

Rapid wheel wear

Low work piece stiffness

High temperature involved

Frequent wheel clogging

Rapid wheel wear

Low work piece stiffness

High temperature involved

Frequent wheel clogging

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Manufacturing And Production Technology
Threading is an operation of

Sizing and finishing a small diameter hole

Cutting helical grooves on the external cylindrical surface

Producing a hole by removing metal along the circumference of a hollow cutting tool

Smoothing and squaring the surface around a hole

Sizing and finishing a small diameter hole

Cutting helical grooves on the external cylindrical surface

Producing a hole by removing metal along the circumference of a hollow cutting tool

Smoothing and squaring the surface around a hole

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Manufacturing And Production Technology

Manufacturing And Production Technology Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is

Manufacturing And Production Technology In a center lathe, the cutting tool is fed in ___ with reference to the lathe axis.

Manufacturing And Production Technology The depth of cut in drilling is ___ the drill diameter.

Manufacturing And Production Technology The usual value of the point angle of a drill is

Manufacturing And Production Technology Soft materials can not be economically ground due to

Manufacturing And Production Technology Threading is an operation of

Manufacturing And Production Technology
Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is

Manufacturing And Production Technology
In a center lathe, the cutting tool is fed in ___ with reference to the lathe axis.

Manufacturing And Production Technology
The depth of cut in drilling is ___ the drill diameter.

Manufacturing And Production Technology
The usual value of the point angle of a drill is

Manufacturing And Production Technology
Soft materials can not be economically ground due to

Manufacturing And Production Technology
Threading is an operation of