The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is
Select an option to see the answer and solution.
Chemical Engineering · all questionsMechanical Operations
Mechanical Operations
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
440
Questions
3/22
Page
Pick an option on a question to see the right answer and solution.
Equivalent diameter of a particle is the diameter of the sphere having the same
Select an option to see the answer and solution.
Sedimentation on commercial scale occurs in
Select an option to see the answer and solution.
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be
Select an option to see the answer and solution.
Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively.
Select an option to see the answer and solution.
Which of the following oxides is not present in hematite iron ore?
Select an option to see the answer and solution.
Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?
Select an option to see the answer and solution.
Filtration rate does not depend upon the
Select an option to see the answer and solution.
For coarse reduction of hard solids, use
Select an option to see the answer and solution.
200 mesh screen means 200 openings per
Select an option to see the answer and solution.
Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of
Select an option to see the answer and solution.
Gizzlies are used for separating __________ solids.
Select an option to see the answer and solution.
For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a
Select an option to see the answer and solution.
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?
Select an option to see the answer and solution.
Sauter mean diameter is the same as the __________ mean diameter.
Select an option to see the answer and solution.
Filter medium resistance is important during the __________ of filtration.
Select an option to see the answer and solution.
Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid.
Select an option to see the answer and solution.
Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?
Select an option to see the answer and solution.
For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid?
Select an option to see the answer and solution.
Pine oil and cresylic acid are used as __________ in the froth floatation process.
Select an option to see the answer and solution.