ABE (CHAP06 Fans and Blowers Quiz)

Air-moving device commonly used for drying which produces high pressure but low airflow.

• Blower

• Fan

• Compressor

• None of the above

Air-moving device that produces high airflow but low head.

• Fan

• Blower

• Compressor

• All of the above

Measure of the power output of a fan in relation to its power input.

• Fan thermal efficiency

• Fan performance index

• Fan efficiency

• All of the above

Which of the following operations employ an air-moving device?

• Drying

• Material handling

• Refrigerating

• All of the above

Air-moving device suitable for grain cleaning.

• Axial fan

• Propeller fan

• Cross-flow fan

• All of the above

If the diameter of the blower is increased, the pressure will consequently ___.

• increase

• decrease

• be the same

• None of the above

A Class 1 air-moving device operating at pressure equal to or more than 1 psi.

• Blower

• Fan

• Exhauster

• All of the above

A Class 2 air-moving device operating at pressure less than 1 psi.

• Blower

• Fan

• Compressor

• All of the above

Air-moving device in which the air flow is at the same axis with the shaft of the device.

• Tube-axial fan

• All of the above

• Propeller fan

• Vane-axial fan

• Axial-flow fan

Air-moving device commonly used for 6-ton flatbed paddy dryers.

• Forward-curved centrifugal blower

• Propeller fan

• Vane-axial fan

• None of the above