Category: Chemical Engineering Basics

A. Grouting
B. Eyebolt
C. Anchor bolts
D. Refractory castables

A. Oxide only
B. Sulphate only
C. Oxide and sulphate
D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide

A. Metal changes from liquid state to solid state at freezing temperature
B. Solid phase temperature drops from freezing temperature to the room temperature
C. Liquid metal temperature drops from pouring temperature to room temperature
D. Liquid metal temperature drops from pouring temperature to freezing temperature

A. Alumina
B. Alkali oxide
C. Lime & Magnesia
D. None of these

A. Wrought iron
B. Pig iron
C. Cast iron
D. None of these

A. Steel plant
B. Textile factory
C. Petroleum refinery
D. Coke oven battery

A. Removed by acid pickling
B. Hammered into the surface
C. Removed with coarse emery cloth
D. Left as such to protect the surface

A. Reynolds number (based on sphere diameter) should be < 1
B. Flow around the sphere should be in turbulent region
C. Sphere must be metallic
D. Fluid density should be constant

A. High speed steel
B. High carbon steel
C. Forged steel
D. Mild steel

A. Can’t be used in the form of pressure sensitive tapes
B. Can’t join two dissimilar metals
C. Cure instantaneously after application on a surface
D. None of these