3046Chemical EngineeringMedium
Which is the most efficient absorbent for SO3 out of the following?
A78% H2SO4
B98% H2SO4
C20% oleum
D65% oleum
Correct answer
B. 98% H2SO4
Explanation
The correct answer is 98% H2SO4.
Correct answer
B. 98% H2SO4
Explanation
The correct answer is 98% H2SO4.
An annuity is a series of equal payments occuring at equal time intervals, and this amount includes the sum of all payments plus interest, if allowed to accumulate at a definite rate of interest from the time of initial payment to the end of annuity term. Ordinary annuity is used in the calculation of the________?
A high vapour velocity is required for high plate efficiency in a sieve plate column. The satisfactory value of operating vapor velocity for design purpose in sieve plate column is about ________ percent of the flooding velocity?
Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of________?
High refractoriness of refractory bricks means, that it has a________?
Wood is a/an ________ material?
Heat transfer by ________ may not necessarily require the presence of a medium?