A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

Manufacturing And Production Technology
A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

120

170

240

180

120

170

240

180

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Manufacturing And Production Technology
The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

VnT = C

Vn/T = C

V/Tn = C

VTn = C

VnT = C

Vn/T = C

V/Tn = C

VTn = C

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Manufacturing And Production Technology
When the shear angle is small

Path of shear is large and chip is thin

Path of shear is short and chip is thick

Path of shear is large and chip is thick

Path of shear is short and chip is thin

Path of shear is large and chip is thin

Path of shear is short and chip is thick

Path of shear is large and chip is thick

Path of shear is short and chip is thin

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Manufacturing And Production Technology
The primary purpose of a sprue in a casting mould is to

Feed molten metal from the pouring basin to the gate

Help feed the casting until all solidification takes place

Act as a reservoir for molten metal

Feed the casting at a rate consistent with the rate of solidification

Feed molten metal from the pouring basin to the gate

Help feed the casting until all solidification takes place

Act as a reservoir for molten metal

Feed the casting at a rate consistent with the rate of solidification

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Manufacturing And Production Technology
The method of centre less grinding used to produce taper is

In-feed grinding

Through feed grinding

End feed grinding

Any one of these

In-feed grinding

Through feed grinding

End feed grinding

Any one of these

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Manufacturing And Production Technology
Continuous chips with built up edge are formed during machining of

Brittle metals

Soft metals

Ductile metals

Hard metals

Brittle metals

Soft metals

Ductile metals

Hard metals

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Manufacturing And Production Technology

Manufacturing And Production Technology The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

Manufacturing And Production Technology When the shear angle is small

Manufacturing And Production Technology The primary purpose of a sprue in a casting mould is to

Manufacturing And Production Technology The method of centre less grinding used to produce taper is

Manufacturing And Production Technology Continuous chips with built up edge are formed during machining of

Manufacturing And Production Technology
The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

Manufacturing And Production Technology
When the shear angle is small

Manufacturing And Production Technology
The primary purpose of a sprue in a casting mould is to

Manufacturing And Production Technology
The method of centre less grinding used to produce taper is

Manufacturing And Production Technology
Continuous chips with built up edge are formed during machining of