Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is decreased Capacity of the evaporator is increased True temperature drop increases Both B and C Capacity of the evaporator is decreased Capacity of the evaporator is increased True temperature drop increases Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Temperature gradient Heat transfer area Mechanical strength of the equipment Heat transfer co-efficient Temperature gradient Heat transfer area Mechanical strength of the equipment Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure None of these No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost More space None of these Less heating surface Lower maintenance cost More space None of these Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Is a dimensionless quantity Accounts for additional resistances to heat flow Does not provide a safety factor for design None of these Is a dimensionless quantity Accounts for additional resistances to heat flow Does not provide a safety factor for design None of these ANSWER DOWNLOAD EXAMIANS APP
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