Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initation of crack occurs on the surface of the machine part 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 Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part 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 Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, which will fracture most readity, when hit with a hard hammer ? German silver Cast iron Brass Bronze German silver Cast iron Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Brass Aluminium alloy Cast iron Lead Brass Aluminium alloy Cast iron Lead ANSWER DOWNLOAD EXAMIANS APP
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