Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Small punches, broaches reamers and springs Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Small punches, broaches reamers and springs Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 55 25 35 75 55 25 35 75 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 Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having resistivity ranging from 1 to 100 ohm. cm is termed as Conductor Insulator None of these Semi-conductor Conductor Insulator None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Increases & the dew point decreases Decreases but dew point remains constant Decreases & the dew point increases Increases but dew point remains constant Increases & the dew point decreases Decreases but dew point remains constant Decreases & the dew point increases Increases but dew point remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Salvage value Present value method Future value method Rate of return criterion Salvage value Present value method Future value method Rate of return criterion ANSWER DOWNLOAD EXAMIANS APP
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