MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

In drilling softer materials, the cutting speed is ___________ as compared to harder materials.

Low

High

None of these

Same

TRUE ANSWER : ?
YOUR ANSWER : ?

A drill mainly used in drilling brass, copper or softer materials, is

Straight fluted drill

Flat drill

Parallel shank twist drill

Tapered shank twist drill

TRUE ANSWER : ?
YOUR ANSWER : ?

In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

Cylindrical grinder

Tool and cutter grinder

Internal grinder

Surface grinder

TRUE ANSWER : ?
YOUR ANSWER : ?

In oblique cutting system, the maximum chip thickness

May not occur at the middle

Occurs at the middle

Depends upon the geometry of the tool

Depends upon the material of the tool

TRUE ANSWER : ?
YOUR ANSWER : ?

Cutting fluids are used to

Improve surface finish

Cool the tool

All of these

Cool the workpiece

TRUE ANSWER : ?
YOUR ANSWER : ?

The cutting angle of a flat drill varies from

3° to 8°

60° to 90°

90° to 120°

20° to 30°

TRUE ANSWER : ?
YOUR ANSWER : ?

Ultrasonic machining is best suited for

Tool steels

Sintered carbides

Glass

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A diamond locating pin is used in jigs and fixtures because

Diamond is very hard and wear resistant

It has a long life

It helps in assembly with tolerance on centre distance

It occupies very little space

TRUE ANSWER : ?
YOUR ANSWER : ?

The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called

Cemented carbide

Diamond

Ceramic

Stellite

TRUE ANSWER : ?
YOUR ANSWER : ?

The increase in depth of cut and feed rate _________ surface finish.

Improves

Deteriorates

Does not effect

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

↑