GATE PI 2001 | Machining Question 47 | Machine Tools and Machining

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GATE PI 2001

MCQ (Single Correct Answer)

-0.3

In Whitworth quick return mechanism (used in shapers) the velocity of the $$ram$$ is maximum at

middle of the forward stroke

beginning of return stroke

end of return stroke

middle of the return stroke

GATE PI 1995

MCQ (Single Correct Answer)

-0.3

The material most commonly used for manufacturing of machine tool beds is

$$MS$$

Gray $$CI$$

White $$CI$$$

Galvanized iron

GATE PI 1995

True or False

-0

Reamers have usually even number of teeth so that the cutting forces on teeth are properly balanced.

TRUE

FALSE

GATE PI 1995

MCQ (Single Correct Answer)

-0.3

A grinding wheel is said to be glazed if

grains have become blunt, but do not fall out

gap between the grains is filled by swarf

it becomes black due to burning

part of the wheel is chipped off

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