Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Petroleum Refinery Engineering
→
Hydrogen percentage (by weight) in crude petroleum may be about __________________?
Related MCQs
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating?
Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?
Solvent used for dewaxing of petroleum products are__________?
The general formula of naphthenes is__________?
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________?
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene?
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute?
Paraffins are desirable in lubricating oil, as it has got high__________?
Platforming is a __________ process?
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
Which of the following is a non-regenerative fixed bed catalytic reforming process ?
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________?
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds) ?
Aromatics have the highest __________ of all the hydrocarbons of same carbon atoms?
Lane and Garton classification of petroleum is based on its __________?
Road grade bitumen is produced from vacuum residue by its __________?
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing __________?
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as __________?
Cetane number of a diesel fuel is the measure of its__________?
Water content in the crude oil as it comes out of oil well may be upto __________ percent?
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is __________?
Aniline point is the temperature at which__________?
Asphalts are __________?
“Breathing loss” on storage of gasoline occurs due to the __________?
Thermofor catalytic cracking process is a __________ process?
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil?
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its__________?
Sweetening of petroleum product means the removal of __________?
Aniline point of high speed diesel may be about __________ °C ?
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?
Octane number (unleaded) of reformed gasoline may be upto __________?
Which of the following gasoline (unleaded) has the least octane number ?
A multigrade lubricating oil means an oil having high __________?
Reforming__________?
Feed for reforming is generally__________?
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of__________?
Highest quality bitumen is produced from the __________ crude oil?
Molecular weight of petrol may be about __________?
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent?
Casing head gasoline is the liquid __________?
The pressure (kg/cm2) and temperature (°C) maintained in electrical desalters for crude oil are respectively__________?
A good lubricant should have high __________ ?
Name the hydrocarbon having the poorest oxidation stability ?
Phenols are added in gasoline to__________?
Paraffin base crude oil as compared to asphalt base crude gives__________?
Flash point of an oil gives an idea of the__________?
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm?
The reservoir rock containing petroleum has__________?
Which is an anticing compound ?
Hydrogen percentage (by weight) in crude petroleum may be about __________________?
A. 5
B. 15
C. 25
D. 35
Correct Answer:
5
✔
Last Updated:
March 02, 2019