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4

Which of the following parameters govern the value of shear angle in continuous chip formation?

A. True feed

B. Chip thickness

C. Rake angle of the cutting tool

D. All of these

Correct Answer :

D. All of these


Related Questions

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4

Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer using the given codes.
List-I (Equipment)List-II (Process)
P. Hot Chamber Machine1. Cleaning
Q. Muller2. Core making
R. Dielectric Baker3. Die casting
S. Sand Blaster4. Annealing
.5. Sand mixing

A. P-2, Q-1, R-4, S-5

B. P-4, Q-2, R-3, S-5

C. P-4, Q-5, R-1, S-2

D. P-3, Q-5, R-2, S-1

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4

The advantage of a broaching operation is that

A. Rate of production is very high

B. High accuracy and high class of surface finish is possible

C. Roughing and finishing cuts are completed in one pass of the tool

D. All of the above

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4

The type of reamer used for reaming operation in a blind hole, is

A. Straight fluted reamer

B. Left hand spiral fluted reamer

C. Right hand spiral fluted reamer

D. Any one of these

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4

Tumbler gears in lathe are used to

A. Reduce the spindle speed

B. Cut gears

C. Give desired direction of movement to the lathe carriage

D. Drill a workpiece

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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

In order to achieve a specific surface finish in single point turning, the most important factor to be controlled is

A. Depth of cut

B. Cutting speed

C. Feed

D. Tool rake angle

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4

Thread grinding requires work speed from

A. 1 to 3 m/min

B. 5 to 10 m/min

C. 10 to 14 m/min

D. 14 to 20 m/min

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4

The hard 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

In machining metals, chips break due to __________ of work material.

A. Toughness

B. Ductility

C. Elasticity

D. Work hardening

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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 chuck preferred for quick setting and accurate centering of a job is

A. Four jaw independent chuck

B. Collect chuck

C. Three jaw universal chuck

D. Magnetic chuck

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4

A dynamometer is a device used for the measurement of

A. Chip thickness ratio

B. Forces during metal cutting

C. Wear of the cutting tool

D. Deflection of the cutting tool

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4

The rear teeth of a broach

A. Perform burnishing operation

B. Remove minimum metal

C. Remove maximum metal

D. Remove no metal

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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 one among the following welding processes uses nonconsumable electrode?

A. Gas metal arc welding

B. Submerged arc welding

C. Gas tungsten arc welding

D. Flux coated arc welding

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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

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

In machining metal, cutting force at the cutting edge is measured by a

A. Wattmeter

B. Dynamometer

C. Hydrometer

D. Pyrometer

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4

A lathe with four steps on the cone pulley and with back-gears will have

A. Four direct speeds

B. Four indirect speeds

C. Four direct and four indirect speeds

D. Eight indirect speeds

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4

In the relation VTn = C, the value of n for carbide tools is

A. 0.1 to 0.2

B. 0.20 to 0.25

C. 0.25 to 0.40

D. 0.40 to 0.55

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4

Which of the following operations is carried out at a minimum cutting velocity if the machines are equally rigid and the tool work materials are the same?

A. Turning

B. Grinding

C. Boring

D. Milling

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4

The operation of machining several surfaces of a workpiece simultaneously is called

A. Profile milling

B. Gang milling

C. Saw milling

D. Helical milling

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4

The method of centre less grinding used to produce taper is

A. In-feed grinding

B. Through feed grinding

C. End feed grinding

D. Any one of these

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4

A dense structure of a grinding wheel is used for

A. Hard materials

B. Brittle materials

C. Finishing cuts

D. All of these

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4

Cast iron during machining produces

A. Continuous chips

B. Discontinuous chips

C. Continuous chips with built-up edge

D. None of these

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4

When the shear angle is large

A. Path of shear is short and chip is thin

B. Path of shear is large and chip is thick

C. Path of shear is short and chip is thick

D. Path of shear is large and chip is thin

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4

In order to prevent tool from rubbing the work _________ on tools are provided.

A. Rake angles

B. Relief angles

C. Face angles

D. None of these

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4

In a gating system, the ratio 1: 2: 4 represents

A. Sprue base area: runner area: ingate area

B. Pouring basin area: ingate area: runner area

C. Sprue base area: ingate area: casting area

D. Runner area: ingate area: casting area

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4

The material property which depends only on the basic crystal structure is

A. Fatigue strength

B. Work hardening

C. Fracture strength

D. Elastic constant

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4

The abrasive recommended for grinding materials of high tensile strength is

A. Silicon carbide

B. Aluminium oxide

C. Sand stone

D. Diamond