Chemical Engineering Basics Which of the following will resist maxi-mum shock & vibration without cracking? Graphite Grey cast iron White cast iron Malleable iron Graphite Grey cast iron White cast iron Malleable iron 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 Small punches, broaches reamers and springs Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs Cutlery, screws, rivets and files ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as Re0.8, Re-0.5 Re0.8, Re0.5 Re-0.8, Re0.5 Re0.5, Re0.8 Re0.8, Re-0.5 Re0.8, Re0.5 Re-0.8, Re0.5 Re0.5, Re0.8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Shows inversion of solubility Increases Decreases None of these Shows inversion of solubility Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Martensite Sorbite Troostite Bainite Martensite Sorbite Troostite Bainite ANSWER DOWNLOAD EXAMIANS APP
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