Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design 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 30000 J 90000 J 240000 J 60000 J 30000 J 90000 J 240000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed check valve Feed water pump Stop valve Blow off cock Feed check valve Feed water pump Stop valve Blow off cock 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% ? 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 Cutlery, screws, rivets and files Small punches, broaches reamers and springs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Forging Powder metallurgy None of these Casting Forging Powder metallurgy None of these Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc Hcp Fcc None of these Bcc Hcp Fcc None of these ANSWER DOWNLOAD EXAMIANS APP
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