Chemical Engineering Basics

A. Mass
B. Volume
C. Surface area
D. All A, C & C

A. Gear
B. Centrifugal
C. Reciprocating
D. Plunger

A. Add alloying elements
B. Prevent electrode from contamination
C. Stabilise the arc
D. Provide protective atmosphere to weld

A. Abrasion resistance
B. Toughness
C. Red hardness
D. Cutting speed

A. Soft ferrites
B. High purity iron
C. Grain oriented Fe-Si alloy
D. Al-Ni-Co alloy

A. 87% cementite & 13% Fe
B. 87% ferrite & 13% cementite
C. 93.33% ferrite & 6.67% C
D. 87% ferrite & 13% C

A. Normalising
B. Annealing
C. Tempering
D. Hardening

A. Mach
B. Reynolds
C. Froude
D. Weber

A. Ferrous
B. Ceramic
C. Cemented carbide
D. Non-ferrous cast alloy cutting tool

A. Nickel
B. Cobalt
C. Vanadium
D. Platinum