Chemical Engineering Basics

A. Intensifies deterioration
B. Changes the composition of the metal
C. Inhibits further deterioration
D. None of these

A. Machinability
B. Toughness
C. Internal stress level
D. Softness

A. (r2 – r1)/r1. r2
B. r1. r2/(r2 – r1)
C. (r2 + r1)/r1. r2
D. r1. r2/(r2 + r1)

A. A high temperature neutral gas
B. Nothing but ionised gas
C. A source of steady and highest controllable pressure
D. Formed at very low temperature

A. Conductor
B. Insulator
C. Semi-conductor
D. None of these

A. Wrought
B. Tool
C. Alloy
D. Plain carbon

A. Ore
B. Electrical power
C. Labour
D. Abundant water

A. Blow off cock
B. Feed check valve
C. Feed water pump
D. Stop valve

A. 30°
B. 60°
C. 90°
D. 120°

A. Are magnetised by eddy currents only
B. Are non-magnetic and cannot be magnetised
C. Are magnetised in direction opposite to the magnetic field
D. Can be magnetised in one direction only