Tag: energy
Questions Related to energy
When earth's crust is drilled, hydrocarbon came out first is:
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petroleum
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methane
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ethane
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butane
Hydrocarbon is a compound containing carbon atoms and hydrogen atoms. Methane is the hydrocarbon found in the earth's crust. It is the simplest hydrocarbon. It is mainly used as fuel.
Major source of propylene in a refinery is:
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visbreaking
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iso cracking process
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fluidised bed catalytic cracking
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catalytic reforming
Propylene is often referred to as the crown prince of petrochemicals. Propylene is a byproduct of steam crackers and the varying amount of olefins is produced from steam crackers depending on the type of feedstock. Other sources of propylene may be the recovery of propylene from FCC light ends, Propane dehydrogenation and fluidized bed catalytic cracking.
As per the EuroIII norms for gasoline the benzene content should be:
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1%
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2%
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3%
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4%
Bharat stage emission standard is an emission standard institute which is governed by the government of India to regulate the air pollutants from internal combustion engines or vehicle motors.Bharat Stage III norms or Euro III norms were enforced in October 2010 all over the country. According to this benzene content in gasoline should be 1%.
Which of the following is true from given statements?
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use of steam reduces the selectivity towards higher olefin production
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increase tube diameter increases the yield of propylene
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use of steam increases the selectivity towards higher olefin production
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increase tube diameter increases the yield of ethyne
Which of the following statements is true if fuel has high aniline point?
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Fuel has low paraffin
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Fuel has high diesel index
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Fuel has high aromatics
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Fuel has low diesel index
Aniline point is the lowest temperature at which equal volumes of fresh aniline and an oil are completely miscible. Higher the aniline point, higher is the diesel index. Diesel index indicates the ignition quality of the fuel.
Steam consumption in steam cracker plant is high in case of:
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gas oil
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propane
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napthalene
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ethane
In petroleum chemistry, Steam cracker plant is a process by which complex organic molecules are broken down to the simpler molecules using steam. Here, the cracking is done by using steam. Ethane cracking consumes the maximum amount of steam.
In a case of catalytic reforming dehydration of naphthenes to aromatics is:
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favoured by a decrease in temperature and decrease in pressure
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favoured by an increase in temperature and increase in pressure
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favoured by an increase in temperature and decrease in pressure
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none of these
In catalytic reforming process, high octane number reformate is formed which is the main component of the motor, fuel, aviation gasoline or aromatic rich feedstock. Favourable Conditions for the reaction are High temperature, Low pressure and low space velocity.
The RON/MON values of $n$-heptane is:
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$0$
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$100$
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$1000$
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$50$
Octane number can be determined by RON, MON and AKI. The most common
method used for the measurement is RON. RON is determined by running the
fuel in a test engine and comparing the results with those for mixtures
of iso- octane and $n$- heptane. The RON/MON value for $n$- heptane is 0.
Which of the following is a measurement method for octane number?
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Research octane number (RON)
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Motor octane number (MON)
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Anti-knock index (AKI)
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All of the above
Octane number can be determined by all the three methods. The most common
method used for the measurement is RON. RON is determined by running the
fuel in a test engine and comparing the results with those for mixtures
of iso-octane and $n$-heptane.
Anti-knock index (AKI) is the:
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geometric mean of RON and MON
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arithmetic mean of RON and MON
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harmonic mean of RON and MON
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none of the above
Octane number can be determined by RON, MON and AKI. The most common method used for the measurement is RON. AKI is the arithmetic mean of RON and MON.