In a vertical short tube evaporator (Calandria type), the ____________ – McqOptions

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1.	In a vertical short tube evaporator (Calandria type), the ______________________?
A.	Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylindrical drum dia of 1-6 metres are normally used
B.	Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube
C.	Liquor is inside the tube while the steam is outside the tube
D.	All A., B. & C.
Answer» E.

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