⟩ What is the mean of RAID in Network Engineering?
A method for providing fault tolerance by using multiple hard disk drives.
A method for providing fault tolerance by using multiple hard disk drives.
__________ determination is not a very significant and important test for gasoline. A. Gum & sulphur content B. Viscosity C. Octane number D. Reid vapor pressure
Catalyst used in catalytic reforming is A. platinum on alumina B. nickel C. iron D. aluminium chloride
Octane number of gasoline is a measure of its A. resistance to knock. B. ignition delay. C. ignition temperature. D. smoke point.
Cetane number of diesel used in trucks may be about A. 50 B. 14 C. 35 D. 85
Paraffin base crude oil as compared to asphalt base crude gives A. higher yield of straight run gasoline. B. higher octane number gasoline. C. lower viscosity index lube oil. D. poorer yield of lube oil.
Catalyst used in the catalytic polymerisation is A. phosphoric acid on kieselghur B. aluminium chloride C. nickel D. vanadium pentaoxide
Which of the following is the most widely used cracking process in oil refineries ? A. Dubbs process. B. T.C.C. moving bed process. C. Fluidised bed catalytic cracking process. D. Houdry's fixed bed process.
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? A. Naphtha B. Petrol C. Kerosene D. Heavy fuel oil
Presence of aromatics in A. diesel increases its cetane number. B. kerosene increases its smoke point. C. petrol increases its octane number. D. all (a), (b) and (c).
The solvent used in Barisol dewaxing process is A. hexane B. furfural C. benzol and ethylene dichloride D. methyl ethyl ketone (MEK)