Correct answer
D. Prevent redeposition of soil on cleaned surface
Explanation
The correct answer is Prevent redeposition of soil on cleaned surface.
A propeller agitator________?
‘Lang factor’ is defined as the ratio of the capital investment to the delivered cost of major equipments. The value of ‘Lang factor’ for fixed capital investment, for a solid-fluid processing chemical plant ranges from?
Which of the following fluid flow measuring devices can measure the largest flow rate?
Which of the following gravity scales is used exclusively for liquids heavier than water?
For a cylindrical vessel of moderate height, the weld joint efficiency for joints parallel to the cylindrical axis is given as 1.0; while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylindrical vessel, what value of weld joint efficiency should be used?
For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are________?