Related Questions

Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
A 1000
B 4000
C 6000
D 8000
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of
A Tar
B Benzol
C Ammonia
D None of these
By higher octane number of spark ignition fuel, it is meant that the fuel has
A Higher heating value
B Higher flash point
C Lower volatility
D Longer ignition delay
The liquid used for the washing of coal in an industrial coal washery is a mixture of water and
A Carbon tetrachloride
B Sand (40%)
C Mineral oil of high viscosity & specific gravity (1.6)
D None of these
For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
A (i) platinum (ii) sulphur
B (i) palladium (ii) oxygen
C (i) nickel (ii) sulphur
D (i) nickel (ii) oxygen
The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at
A SASOL (in South Africa)
B Redcar (U.K.)
C Los-Angles (U.S.A.)
D Trombay (India)
Travelling at a constant speed of 32 miles per hours, a certain motorboat consumers 24gallons of fuel per hour. What is the fuel consumption of his boat this speed measured in miles per gallons of fuel?
A 2/3
B 3/4
C 4/5
D 4/3
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
A 1,400
B 1,200
C 1,000
D 900
A travelling grate stoker is meant for the efficient burning of __________ coal.
A Caking
B Pulverised
C Non-caking
D High ash

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