25) Different operations that can be performed on drilling machines are A. Drilling and Reaming B. Boring and Counter sinking C. Lapping and Grinding Which of the above statements is/are correct ?

A is correct

A and B are correct

A, B and C are correct

All are correct

Answer is:

A and B are correct

has a circular swivelling base with degree graduations and table can be swivelled to any angle up to 50? on one side of position.

has four table movements

produces work with faster rate but lesser accuracy.

is the simplest of all types and used for machining slot and keyways in heavy workpieces.

Answer is:

using information available in previous similar forgings.

by empirical relations of stress and strain that are used for slab.

the forging is divided into simple geometric shapes which are separately treated.

None of the above

Answer is:

workpiece is drawn through the die opening to take the shape of the die hole

the sheet is drawn into die hole taking the shape of the cavity.

sheet metal is punched to give bend shape.

a metal rod is drawn lengthwise by tensile load.

Answer is:

the process of combining powders of different chemical elements.

the process in which powders of same composition and same particle sizes are mixed.

the process of combining powders of same composition but different particle sizes.

All the above

Answer is: