⟩ What is redirector in network engineering?
Redirector is software that intercepts file or prints I/O requests and translates them into network requests. This comes under presentation layer.
Redirector is software that intercepts file or prints I/O requests and translates them into network requests. This comes under presentation layer.
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)
Choose the correct statement regarding thermal cracking. A. Moderate changes in operating temperature does not change the depth of cracking. B. Increased residence time results in the decreased severity of cracking. C. At low pressure, the yield of lighter hydrocarbons are more. D. Greater depth of cracking gives lower octane number gasoline.