Answer is:
Reduce the speed of spindle
Explanation:
Back-gear mechanism is provided in cone pulley headstock to reduce the speed of spindle.
Answer is:
Increase the speed and reduce the feed
Answer is:
To face the workpiece up to the end of the centre hole
Explanation:
A lathe half centre is used to face the workpiece up to the end of the centre hole.
Answer is:
Cast iron
Explanation:
Cast iron is commonly used for machinery housings or base due to its damping characteristics. It is also known for holding its shape when it is subjected to contraction and expansion due to temperature fluctuations. Hence lathe bed is usually made up of cast iron.
