production 2 sem qrin

Which of the following is a metal cutting operation performed by a rotating abrasive wheel that acts as a cutting tool?

• Drilling
• milling
• Grinding
• Boring

Which operation is used for producing a flat or plane surface on the workpiece?

• From grinding
• surface grinding
• external cylindrical grinding
• nternal cylindrical grinding

he main purpose of the _____________ grinding machine is stock removal without any reference to the accuracy of the result.

• Precision
• Flat
• Plain
• Rough

There are __________ groups of girnding machines.

• 1
• 2
• 3
• 4

____________ grinders are the machine tools that finish workpiece to very accurate dimensions.

• Precision
• rough
• Flat
• Plain

___________ grinders are used to grind flat, parallel surfaces or steep surfaces

• Surface
• cylindrical
• Tool and cutter
• All of the above

The area of contact is small and the speed is ________ over the grinding surface.

• Zero
• Accelerating
• Uniform
• Deccelerating

What is mounted on the column of surface grinding m/c which can be moved vertically up and down?

• Base
• Wheel Head
• Saddle
• None of the above

What carries the table in its cross-wise movement in a surface grinding m/c which is used to give crossfit to the work?

• Base
• Wheel Head
• Saddle
• None of the above

What does the downfeed of the wheel in the surface grinding m/c determine?

• Depth of cut
• Feed
• Direction of the wheel
• RPM of the wheel