Q. Which type of actuator is preferred when high and fast stroking speed is required?

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Q. Direct acting actuators fall under which category of actuator?

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Q. The gain of a control valve should never be less than _______

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

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Q. Aeration energy consumes _______ of all electrical usage.

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Q. Which of the following is created by blowers?

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

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Q. What is the purpose of the blower?

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Q. The presence of DO is necessary for wastewater.

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Q. Air is used to ________ the filter bed.

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

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

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

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

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Q. What is the specific ratio for a blower?

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

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

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

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

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

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