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Applied Chemistry
Applied Chemistry Basic
Quiz 1
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Q.1
A good liquid lubricant must possess the property of ___________
a) Low viscosity
b) High boiling point
c) High freezing point
d) Low oiliness
Q.2
Which of the following is not the liquid lubricant?
a) Olive oil
b) Palm oil
c) Castor oil
d) Grease
Q.3
Castor oil is used for _______
a) Plastic industry
b) For guns
c) For sewing machines
d) Light machinery
Q.4
Petroleum oils are also called as _________
a) Petrol oils
b) Hydrocarbon oils
c) Fatty oils
d) Whale oil
Q.5
Petrol captured the market up to the percentage of _________
a) 100%
b) 90%
c) 98%
d) 75%
Q.6
The lubricating oils must be refined to remove ___________
a) Wax
b) Hydrocarbons
c) Nitrogen
d) Oxygen
Q.7
Easily oxidised impurities cause ___________
a) Moisture formation
b) Nitrogen formation
c) Sludge formation
d) Ash formation
Q.8
To improve the refined petroleum oils ___________ are added.
a) Additives
b) Inhibitors
c) Catalysts
d) Carbon
Q.9
A dispersion system consisting of two immiscible liquids is called ________
a) Lubricants
b) Emulsions
c) Semi solids
d) Solids
Q.10
In oil in water emulsions, how much water is present ___________
a) 3-20%
b) 40-50%
c) 3-4%
d) 5-8%
Q.11
The emulsifiers in water in oil type emulsions are ________
a) Sodium salts
b) Potassium salts
c) Oxides
d) Alkaline earth soaps
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