Related Questions

Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
A Bauxite
B Fuller's earth
C Activated clay
D All of the above
Catalyst used in the catalytic polymerisation is
A Phosphoric acid on kieselghur
B Aluminium chloride
C Nickel
D Vanadium pentaoxide
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the
A Activation energy
B Equilibrium constant
C Heat of reaction
D None of these
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
A 30
B 25
C 20
D 15
A car got 33 miles per gallon using gasoline that coast $295 per dollars. Approximatley what was the cost , in dollars, of the gasoline used in driving the car 350 miles?
A $10
B $31
C $40
D $50
Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.
A Organic peroxides
B Sulphuric acid
C Hydroflouric acid
D None of these
A bus uses one gallon of gasoline to travel 15 miles.After a tune-up,the bus travels 15% farther on one gallon. How many gallons of gasoline (to the nearest tenth) will it takes for the bus to travel 150 miles after a tune-up?
A 8.7
B 8.5
C 8.9
D 9
when 6 gallons of gasoline are put into a car, the indicator goes from 1/4 to 5/8 . what is the total capacity of the gasoline tank?
A 12
B 14
C 16
D 18
Bob just filled his car's gas tank with 20 galions of gasohol , a mixture consisting of 5% ethanol and 95% gasoline. If his car runs best on a mixture consisting of 10% ethanol and 90% gasoline, how many gallons of ethanol must he add into the gas tank for his car to achieve optimum performance?
A 20/19
B 10/9
C 9/10
D 1

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