Black liquor generated during paper manufacture is concentrated in a___________________?

Related Mcqs:

Evaporator tubes are generally_____________________?

A. Horizontal B. Vertical C. Inclined D. Random...

Pick out the wrong statement?

A. Bubble size increases with the dynamic viscosity of the liquid in case of nucleate pool boiling B. Thermal conductivity of a dry material is more than that of the damp material C. Ratio of its capacity to economy equals the steam consumption in kg/hr in an evaporator D. Vaporisation of organic substances in evaporator … Pick out the wrong statement?Read More...

Which of the following has the lowest overall heat transfer co-efficient ?

A. Dowtherm B. Molten sodium C. Water D. Air...

A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when_________________?

A. CPA > CPB B. CPA < CPB C. kA < 0.5 kB D. kA >2 kB...

Multipass heat exchangers are used______________________?

A. Because of simplicity of fabrication B. For low heat load C. To obtain higher heat transfer co-efficient and shorter tube D. To reduce the pressure drop...