Q. Air is used to ________ the filter bed.

View solution

Q. Which technology’s principle is used in screw blowers?

View solution

Q. Which blower among the following has the highest nominal efficiency?

View solution

Q. When is high pressure required, which type of blower is preferred?

View solution

Q. Which type of blower is preferred for fluid bed reactor?

View solution

Q. What is the specific ratio for a blower?

View solution

Q. Normally what is the pressure under which centrifugal blowers operate?

View solution

Q. Which blower is used when the system is prone to clogging?

View solution

Q. Centrifugal pumps have a greater speed of rotation when compared to that of positive displacement blower.

View solution

Q. Dimensionless pressure rise is not dependent on which of the following?

View solution

Q. What is the maximum discharge pressure of a twin lobe blower?

View solution

Q. How is the static pressure drop in the water column related to the air flow rate?

View solution

Q. Which of these is not a characteristic of variable speed drive?

View solution

Q. The surface water quality is affected by _______ and infiltration from rainfall.

View solution

Q. Function of the intended uses of water can achieve the desired water quality.

View solution

Q. There is a direct relation between water use and its required quality.

View solution

Q. _________ are constructed for water supply, electricity generation, recreation, irrigation and others.

View solution

Q. What is the next step after water abstraction in wastewater treatment?

View solution

Q. Which of the following requires aesthetically pleasant water?

View solution

Q. The addition of substances or energy forms that directly or indirectly alter the nature of the water body is called?

View solution