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 Decreases & increases Increases & increases Increases & decreases Decreases & decreases Decreases & increases Increases & increases Increases & decreases Decreases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.043055555555556 0.044444444444444 0.042361111111111 0.084027777777778 0.043055555555556 0.044444444444444 0.042361111111111 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Fatigue resistance of a material is measured by the Ultimate tensile strength Endurance limit Elastic limit Young's modulus Ultimate tensile strength Endurance limit Elastic limit Young's modulus 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 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 Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Case hardened steel Galvanised iron Painted steel Lead lined reactor Case hardened steel Galvanised iron Painted steel Lead lined reactor 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 Troostite Martensite Bainite Sorbite Troostite Martensite Bainite Sorbite ANSWER DOWNLOAD EXAMIANS APP
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