Q. What should be the rangeability of the control valve?

View solution

Q. Aeration energy consumes _______ of all electrical usage.

View solution

Q. Which of the following is created by blowers?

View solution

Q. Proper air flow can help the bacteria remain suspended.

View solution

Q. What is the purpose of the blower?

View solution

Q. The presence of DO is necessary for wastewater.

View solution

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