Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 20.8 20.2 2 None of these 20.8 20.2 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 2.5 to 5 5 to 10 1.5 to 2 10 to 15 2.5 to 5 5 to 10 1.5 to 2 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required None of these Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required None of these Real trays required to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? All of these Raschig rings Cross-partition rings Lessig rings All of these Raschig rings Cross-partition rings Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Carbon steel Stainless steel Copper Aluminium Carbon steel Stainless steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop. 150 75 50 25 150 75 50 25 ANSWER DOWNLOAD EXAMIANS APP
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