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41.

For any particular dust concentration in the feed stream to a fabric filter increasing the gas-to-fabric ratio will

A.	result in an increased pressure drop	B.	result in decreased pressure drop
C.	not affect the pressure drop

42.

For continuous reverse air cleaning in a fabric filter gas-to-fabric ration normally varies from

A.	8 to 15 cfm/sq ft	B.	0.2 to 0.5 cfm/sq ft
C.	50 to 60 cfm/sq ft	D.	0.01 to 0.1 cfm/sq ft

43.

The fabric used in a fabric filter is selected on the basis of

A.	temperature	B.	chemical resistance
C.	dust concentration	D.	all of the above

44.

Which of the following devices of particulate collection from a stream gas does not discharge the particulates collected as a dry solid?

A.	Cyclone separator	B.	Electrostatic precipitator
C.	Wet scrubber	D.	Fabric filter