Fluid Mechanics for Chemical — Test 15
Page 1 of 3
Question 1
In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of___________________?
Question 2
At a constant speed of the centrifugal pump, it‟s _____________ the impeller diameter?
Question 3
Foot valves provided in pumps are ____________ valves?
Question 4
Which of the following can be used for the direct measurement of volumetric flow rate of slurry ?
Question 5
The dimension of dynamic viscosity is__________________?
Question 6
In case of centrifugal fan or blower, the gas capacity varies as __________________?
Question 7
The maximum delivery pressure of compressors can be upto _____________ atmospheres?
Question 8
Dean number is concerned with the____________________?
Question 9
A pipe is defined as ‘hydraulically smooth’, if the friction factor_________________?
Question 10
The normal stress is the same in all directions at a point in a fluid, when the fluid is__________________?