Process Equipment and Plant Design MCQs

Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.

Which of the following efficiencies can be greater than 100%?

The force due to wind load acting on a tall vessel depends upon its

The thermal stress in a metallic bar does not depend upon the

Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

Thin spherical shells subjected to internal pressure, develop __________ stresses.

Height of the flights in the rotary drier is in the range of

Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Pick out the wrong statement