7211Chemical EngineeringMedium
Yield of elemental phosphorous from rock phosphate is about ________ percent?
A1-2
B60-65
C40-45
D15-25
Correct answer
D. 15-25
Explanation
The correct answer is 15-25.
Correct answer
D. 15-25
Explanation
The correct answer is 15-25.
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of ________ mm?
In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2?
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around ________?
Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is ________?
The work index in Bond’s law for crushing of solids has the following dimensions________?
In a good rimming steel________?