Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Copper Stainless steel Aluminium Carbon steel Copper Stainless steel Aluminium Carbon steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₂/S₁ 1/S₁.S₂ S₁.S₂ S₁/S₂ S₂/S₁ 1/S₁.S₂ S₁.S₂ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Remains same Remains same, only if the number of tube passes does not change Increases Decreases Remains same Remains same, only if the number of tube passes does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43832 2 43834 4 43832 2 43834 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the 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 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 All of these 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 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 All of these ANSWER DOWNLOAD EXAMIANS APP