⟩ What is wide-mouth frog in network engineering?
Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol.
Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol.
Pick out the wrong statement. A. Iso-paraffin crack faster than n-paraf-fin. B. Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic. C. Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking. D. None of these.
Feedstock for the production of biodiesel is A. herbal plants B. used vegetable oils C. LSHS D. bagasse
Which one is used to determine the colour of petroleum products? A. Colour comparator B. Saybolt chromometer C. Cleveland apparatus D. None of these
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil A. gives higher yield of petrol. B. lower octane number of petrol. C. higher sulphur content in the product. D. higher gum forming material in petrol.
Phenols are added in gasoline to A. improve the octane number. B. act as an antioxidant. C. reduce its viscosity. D. increase its pour point.
Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? A. Aromatics B. Mercaptans C. Paraffins D. Naphthenic acid
Name the hydrocarbon having the poorest oxidation stability. A. naphthene B. olefin C. paraffin D. aromatics
Olefins are A. saturated hydrocarbons. B. unsaturated cyclic compounds (hydrocarbons). C. present in substantially good quantity in crude petroleum. D. none of these.
Testing of the knocking characteristics of petrofuels is done in a __________ engine. A. Carnot B. CFR (Co-operative fuel research) C. Stirling D. diesel
The first crude oil refinery of India is located at A. Naharkatiya B. Digboi C. Kochin D. Madras