Chemical Engineering Basics Blast furnace slag is mainly molten Sand Calcium silicate Iron pyrite Magnesium silicate Sand Calcium silicate Iron pyrite Magnesium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration Low temperature encountered at high altitude ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase. Percent elongation Ultimate tensile strength (UTS) Modulus of resilience Modulus of toughness Percent elongation Ultimate tensile strength (UTS) Modulus of resilience Modulus of toughness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Consumer minimum horse power Has very high C.O.P Is as light as possible Employs minimum quantity of refrigerant Consumer minimum horse power Has very high C.O.P Is as light as possible Employs minimum quantity of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Full annealing Bright annealing Patenting None of these Full annealing Bright annealing Patenting None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ? It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases ANSWER DOWNLOAD EXAMIANS APP
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