Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed check valve Feed water pump Blow off cock Stop valve Feed check valve Feed water pump Blow off cock Stop valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 100 10 1000 10000 100 10 1000 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 Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 60000 J 90000 J 240000 J 30000 J 60000 J 90000 J 240000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Function of feed check valve in a boiler is to Check the water level in the boiler drum Prevent the back flow of water Regulate the water flow to boiler Facilitate circulation of high pressure feed water Check the water level in the boiler drum Prevent the back flow of water Regulate the water flow to boiler Facilitate circulation of high pressure feed water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Nodular aggregates of graphite Flakes Cementite Spheroids Nodular aggregates of graphite Flakes Cementite Spheroids ANSWER DOWNLOAD EXAMIANS APP
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