Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Liquor is inside the tube while the steam is outside the tube Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Liquor is inside the tube while the steam is outside the tube Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.8 0.5 0.1 0.25 0.8 0.5 0.1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube pitch Called tube clearance More in case of triangular pitch as compared to square pitch of tube layout None of these Called tube pitch Called tube clearance More in case of triangular pitch as compared to square pitch of tube layout None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Less Cither A or B; depends upon the I.D. of the pipe More Same Less Cither A or B; depends upon the I.D. of the pipe More Same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P A/P √A 4 P/A 4 A/P A/P √A 4 P/A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 0.22 NRe0.05 f = 16/NRe f = 25/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 16/NRe f = 25/NRe f = 0.04/NRe0.16 ANSWER DOWNLOAD EXAMIANS APP
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