Chemical Engineering Basics Coke is added in the blast furnace to Increase the fluidity of slag Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal None of these Increase the fluidity of slag Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal None of these 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 Which of the following metals reacts violently with water ? Calcium Mercury Magnesium Sodium Calcium Mercury Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Charcoal Coke Pulverised coal Lumpy coal Charcoal Coke Pulverised coal Lumpy coal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it None of these Reduces heat transfer co-efficient Causes explosion Is corrosive None of these Reduces heat transfer co-efficient Causes explosion Is corrosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Has very high C.O.P Is as light as possible Consumer minimum horse power Employs minimum quantity of refrigerant Has very high C.O.P Is as light as possible Consumer minimum horse power Employs minimum quantity of refrigerant ANSWER DOWNLOAD EXAMIANS APP
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