A fiberglass media air filter contains a dust-holding adhesive that helps prevent particulates from ____.
A. migrating downstream
B. migrating upstream
C. absorbing odors
D. releasing spores
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. DC motors can be operated at a slow speed with a high torque. 2. If it is necessary to operate the motor above base speed, the field voltage is increased and armature voltage is fully applied. 3. Generally, DC motors are run at base speed or below. 4. A signal electronics module provides the overall drive control. 5. When power is applied to the drive, each of the circuit boards is simultaneously checked by the microprocessor.
Which factor does a furnace design depend on?
A) Tube arrangement B) Burner arrangement C) Whether the furnace is part of a larger process unit D) All of the above
The formula to determine the arithmetic mean or average of a set of n numbers is 
Answer the following statement true (T) or false (F)
For the cash flows shown, you have been asked to calculate the present worth (in year 0) using i = 10% per year. Which of the following solutions is not correct?
(a) P = 200 + 200(P?A,10%,3) + 300(P?A,10%,3)(P?F,10%,3) (b) P = 200(P?A,10%,4) + 300(P?A,10%,3) (P?F,10%,3) (c) P = [200(F?A,10%,7) + 100(F?A,10%,3)] (P?F,10%,6) (d) P = [200(P?A,10%,7) + 100(P?A,10%,3) (P?F,10%,4)](F?P,10%,1)