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 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 Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Casting Hot rolling Forging Cold rolling Casting Hot rolling Forging Cold rolling 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 Bainite Martensite Sorbite Troostite Bainite Martensite Sorbite Troostite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Speed of a submarine in deep sea & that of an aeroplane is measured by a/an Rotameter Hot wire anemometer Stroboscope Pitot tube Rotameter Hot wire anemometer Stroboscope Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Charcoal Lumpy coal Pulverised coal Coke Charcoal Lumpy coal Pulverised coal Coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type Counter flow with equal heat capacities Parallel flow with unequal heat capacities Counter flow with unequal heat capacities Parallel flow with equal heat capacities Counter flow with equal heat capacities Parallel flow with unequal heat capacities Counter flow with unequal heat capacities Parallel flow with equal heat capacities ANSWER DOWNLOAD EXAMIANS APP
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