LATHE

In which position, the tumbler gears lever is pushed downward position?
1. Neutral position
2. Reverse position
3. Forward position
4. None of these
Work pieces of short length, large diameter and irregular shapes, which cannot be mounted between centres, are held quickly and rigidly in
1. Chuck
2. Feed rod
3. Apron
4. Mandrel
A carrier is attached at which side of the mandrel?
1. Right
2. Centre
3. Left
4. Bottom
What is a mechanical device to support a long slender workpiece when it is turned between centres or by a chuck called?
1. Rest
2. Centre
3. Carrier
4. Mandrel
The depth of cut is expressed in
1. centimetres
2. micrometers
3. millimeters
4. None of these
A process of enlarging the diameter if done internally and reducing the diameter if done externally over a short length is called
1. Chamfering
2. Knurling
3. Undercutting
4. None of these
Which process is to produce a helical groove on a cylindrical surface by feeding the tool longitudinally?
1. Chamfering
2. Knurling
3. Undercutting
4. Thread cutting
A uniform increase or decrease in diameter of a piece of work measured along its length is called
1. Turning
2. Knurling
3. Taper
4. Chamfering
The cutting speed is expressed in
1. millimeters per minute
2. meters per minute
3. centimeters per minute
4. None of these
Feed is expressed in
1. millimeters per revolution
2. meters per revolution
3. centimeters per revolution
4. None of these