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What is the correct answer?

4

In up-cut milling the work piece is fed

A. Against the rotating cutter

B. At angle of 60° to the cutter

C. In the direction of the cutter

D. At the right angle to the cutter

Correct Answer :

A. Against the rotating cutter


Related Questions

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4

In a metal arc welding process, metal transfer across the arc may take place by a method of material transfer where the metal transfers across the arc is in larger drops. This is at the rate of 100 drops / sec or less, what is this known as

A. Globular transfer

B. Spray transfer

C. GMAW practice

D. Dip transfer

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4

A twist drill is a

A. Side cutting tool

B. Front cutting tool

C. End cutting tool

D. None of these

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4

Tool life is measured by the

A. Number of pieces machined between tool sharpenings

B. Time the tool is in contact with the job

C. Volume of material removed between tool sharpenings

D. All of the above

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4

Negative rakes are used for

A. Carbide tools

B. Heavy loads

C. Harder materials

D. All of these

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4

A feed gear box for a screw cutting lathe is designed on the basis of

A. Geometric progression

B. Arithmetic progression

C. Harmonic progression

D. None of these

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4

In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.

A. Cross direction only

B. Longitudinal direction only

C. Both cross and longitudinal direction

D. Any direction

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4

The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from

A. 10 to 20 m/min

B. 18 to 30 m/min

C. 24 to 45 m/min

D. 60 to 90 m/min

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4

Which of the following statement is wrong about ultrasonic machining?

A. It is best suited for machining hard and brittle materials

B. It cuts materials at very slow speeds

C. It removes large amount of material

D. It produces good surface finish

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4

A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.

A. Soft grade

B. Medium grade

C. Hard grade

D. None of these

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4

The operation in which oil is permeated into the pores of a powder metallurgy product is known as

A. Mixing

B. Sintering

C. Impregnation

D. Infiltration

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4

The maximum production of small and slender parts is done by

A. Watch maker's lathe

B. Sliding head stock automatic lathe

C. Multi-spindle automatic lathe

D. Capstan lathe

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4

The object of caulking in a riveted joint is to make the joint

A. Free from corrosion

B. Stronger in tension

C. Free from stresses

D. Leak-proof

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4

Green sand mould indicates that

A. Polymeric mould has been cured

B. Mould has been totally dried

C. Mould is green in colour

D. Mould contains moisture

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4

The common welding error that occurs due to wrong speed, faulty preparation, and high / low current, improper electrode size is called?

A. Distortion

B. Warping

C. Porous weld

D. Poor fusion

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4

In oblique cutting system, the cutting edge of the tool

A. May clear the width of the workpiece

B. May or may not clear the width of the workpiece

C. May not clear the width of the workpiece

D. Should always clear the width of the workpiece

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4

For turning small taper on long workpiece, the suitable method is

A. By a form tool

B. By setting over the tail stock

C. By a taper turning attachment

D. By swivelling the compound rest

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4

The cutting force in up milling __________ per tooth movement of the cutter.

A. Is zero

B. Is maximum

C. Decreases from maximum to zero

D. Increases from zero to maximum

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4

The soft grade grinding wheels are denoted by the letters

A. A to H

B. I to P

C. Q to Z

D. A to P

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4

Which of the following is the correct data structure for solid models?

A. Solid part - faces - edges - vertices

B. Solid part - edges - faces - vertices

C. Vertices - edges - faces - solid parts

D. Vertices - faces- edges - solid parts

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4

In hot machining, the work is heated by

A. Simple heating

B. Flame heating

C. Induction heating

D. Any one of these

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4

In centreless grinding, work place centre will be

A. Above the line joining the two wheel centres

B. Below the line joining the two wheel centres

C. On the line joining the two wheel centres

D. At the intersection of the line joining the wheel centres with the work place plane

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4

For softer materials, the point angle of the drill is kept

A. Equal to 118°

B. Less than 118°

C. More than 118°

D. Any one of these

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4

With the same tool life, the maximum material per minute is removed by

A. Increasing the cutting speed

B. Decreasing the cutting speed

C. Increasing the depth of cut

D. Increasing the feed rate

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4

The specific cutting energy used for establishing the machinability of the metal depends upon its

A. Coefficient of friction

B. Microstructure

C. Work hardening characteristics

D. All of these

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4

Gear lapping is an operation

A. After heat treatment

B. Prior to heat treatment

C. For gear reconditioning

D. None of these

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4

The grinding of long, slender shafts or bars is usually done by

A. In-feed grinding

B. Through feed grinding

C. End-feed grinding

D. Any one of these

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4

Gear burnishing is a process for

A. Surface finishing

B. Undercut gears

C. Cycloidal gears

D. Removing residual stresses from teeth roots

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4

The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called

A. Truing

B. Dressing

C. Facing

D. Clearing

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4

The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.

A. Equal to

B. Twice

C. Thrice

D. One-half

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4

The tool life in case of a grinding wheel is the time

A. Between two successive regrinds of the wheel

B. Taken for the wheel to be balanced

C. Taken between two successive wheel dressings

D. Taken for a wear of 1 mm on its diameter