Industrial Chemistry Elective quiz

c

• Reaction rates are high   

• Requires an initiator

• Reaction rates are slow   

• Yield at low flame temperature

In which categories explosives are used in highest amount? 

• Coal mining    

• Metal mining

• Non-metallic mining

• Construction

Which is not a  product of chlorine gas?

• Phosgene

• tear gas

• mustard gas

• oleum

If the lubricant for an automobile to be used under sub-zero temperature is to be selected which of the following properties will get priority consideration.

• Specific gravity

• carbon content 

• pour point

• Calorific value

Which of the following is not a natural adhesive?

• Asphalt

• Shellac

• Soyabean 

• Urea-formaldehyde resin

Araldite is

• vegetable glue         

• cellulose derivative 

• thermoplastic resin 

• thermosetting resin

On increasing the lubrication, the efficiency of the machine ____________

• Increases

• Decreases

• Remain same     

• Does not get affected

The most important property of Lubricant is

• flash point 

• pour point 

• emulsification

• viscosity

What is resilience?

• Strength

• Elasticity

• Soundness

• Durability

Recycled crumb rubber can be used in

• Plastering

• Mortar

• Paints

• Concrete