Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Kerosene oil Liquid hydrazine Liquid hydrogen Liquid oxygen Kerosene oil Liquid hydrazine Liquid hydrogen Liquid oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Cutlery, screws, rivets and files Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Hexagonal close, packed (hcp) Simple cubic Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close, packed (hcp) Simple cubic Body centred cubic (bcc) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Cast iron Lead Aluminium alloy Brass Cast iron Lead Aluminium alloy Brass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Martensite formation Relatively high sulphur content in the base metal Retained austenite Sufficient hydrogen present in the welding arc Martensite formation Relatively high sulphur content in the base metal Retained austenite Sufficient hydrogen present in the welding arc ANSWER DOWNLOAD EXAMIANS APP
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