MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

Which of the following process is used for preparing parts having large curved surfaces and thin sections?

Hot machining

ECM process

Ultrasonic machining

Chemical milling

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The snag grinding is done

To grind exterior cylindrical surfaces

Any one of the above

To produce good surface finish and high degree of accuracy

To remove considerable amount of metal without regard to accuracy of the finished surface

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Small nose radius

Produces chipping and decreases tool life

Results in excessive stress concentration and greater heat generation

Increases tool life

Decreases tool life

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

Infiltration

Sintering

Mixing

Impregnation

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If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?

Forehand welding

Flux cored ARC welding

Electro slag welding

Pulsed spray welding

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Cutting fluids are used to

Improve surface finish

Cool the workpiece

Cool the tool

All of these

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The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

Cutting speed, feed rate, depth of cut

Feed rate, cutting speed, depth of cut

Depth of cut, cutting speed, feed rate

Feed rate, depth of cut, cutting speed

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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

Dip transfer

GMAW practice

Spray transfer

Globular transfer

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Glazing in grinding wheels __________ cutting capacity.

None of these

Has no effect on

Increase

Decrease

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Cold working of steel is defined as working

Below its recrystallisation temperature

Above its recrystallisation temperature

At its recrystallisation temperature

At two thirds of the melting temperature of the metal

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