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4

When the tool moves parallel to the lathe axis, the movement is termed as

A. Cross feed

B. Angular feed

C. Longitudinal feed

D. Any one of these

Correct Answer :

C. Longitudinal feed


Related Questions

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4

The mechanism of material removal in EDM process is

A. Melting and Evaporation

B. Melting and Corrosion

C. Erosion and Cavitations

D. Cavitations and Evaporation

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4

In electro discharge machining, tool is made of

A. Brass

B. Copper

C. Copper tungsten alloy

D. All of these

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4

For fast removal of materials during grinding, a _________ grinding wheel is used.

A. Course grained

B. Fine grained

C. Medium grained

D. None of these

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4

In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called

A. Gang milling

B. Straddle milling

C. String milling

D. Side milling

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4

The method of grinding used to produce a straight or tapered surface on a workpiece, is

A. Internal cylindrical grinding

B. Form grinding

C. External cylindrical grinding

D. Surface grinding

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4

In which of the following machine, the work is usually rotated while the drill is fed into work?

A. Sensitive drilling machine

B. Radial drilling machine

C. Gang drilling machine

D. Deep hole drilling machine

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4

Which of the following statement is correct for orthogonal cutting system?

A. The cutting edge of the tool is perpendicular to the direction of tool travel.

B. The cutting edge clears the width of the workpiece on either ends.

C. The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge.

D. All of the above

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4

A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is

A. Carburizing flame

B. Oxidizing flame

C. Oxy-acetylene flame

D. Neutral flame

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4

The facing is an operation of

A. Bevelling the extreme end of a workpiece

B. Embossing a diamond shaped pattern on the surface of a workpiece

C. Reducing the diameter of a workpiece over a very narrow surface

D. Machining the ends of a workpiece to produce a flat surface square with the axis

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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

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4

The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.

A. Equal to

B. Less than

C. More than

D. None of these

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4

Which of the following statement is correct about nose radius?

A. It improves tool life

B. It improves the surface finish

C. Both (A) and (B)

D. None of these

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4

The operation performed on a shaper is

A. Machining horizontal surface

B. Machining vertical surface

C. Machining angular surface

D. All of these

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4

The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

A. (D - d)/2L

B. (D - d)/L

C. (D - d)/2

D. D - d

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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 which of the following machine, the work remains stationary and the tool is rotated?

A. Vertical boring machine

B. Horizontal boring machine

C. Precision boring machine

D. Jig boring machine

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4

The size of a lathe is specified by the

A. Length between centres

B. Swing diameter over the bed

C. Swing diameter over the carriage

D. All of these

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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

The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called

A. Up milling

B. Down milling

C. Face milling

D. End milling

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4

Which of the following statement is correct about hot machining?

A. It requires less power than machining metals at room temperature.

B. The rate of tool wear is lower.

C. It is used for machining high strength and high temperature resistant materials.

D. All of the above

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4

The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?

A. Distortion

B. Warping

C. Porous weld

D. Poor fusion

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4

Lathe bed is made of

A. Mild steel

B. Alloy steel

C. Pig iron

D. Chilled cast iron

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4

The width of cutting edge of a parting off tool varies from

A. 3 to 12 mm

B. 5 to 20 mm

C. 8 to 30 mm

D. 15 to 40 mm

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4

Glazing in grinding wheels can be decreased by

A. Using a harder wheel or by increasing the wheel speed

B. Using a softer wheel or by decreasing the wheel speed

C. Using a harder wheel or by decreasing the wheel speed

D. Using a softer wheel or by increasing the wheel speed

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4

The effective number of lattice points in the unit cell of simple cubic, body centred cubic, and face centred cubic space lattices, respectively, are

A. 1, 2, 2

B. 1, 2, 4

C. 2, 3, 4

D. 2, 4, 4

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4

If the cutting speed is increased, then the built-up-edge

A. Becomes longer

B. May or may not form

C. Becomes smaller and finally does not form at all

D. Has nothing to do with speed

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4

A fixture is defined as a device which

A. Holds and locates a workpiece and guides and controls one or more cutting tools

B. Holds and locates a workpiece during an inspection or for a manufacturing operation

C. Is used to check the accuracy of workpiece

D. All of the above

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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

Dielectric is used in

A. Electrochemical machining

B. Ultrasonic machining

C. Electro discharge machining

D. Laser machining

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4

If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill at a given feed will be more.

A. Equal to

B. Less than

C. More than

D. None of these