When mounting an air handler on a concrete floor for seismic restraint, use _____.
a. housed-spring devices with snubbers
b. housed-spring devices with bumpers
c. open-spring devices without snubbers
d. open-spring devices with bumpers
d. open-spring devices with bumpers
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How many characters does an OBD II diagnostic trouble code (DTC) contain?
What will be an ideal response?
An ____________ emission system stores vapors from the fuel tank in a charcoal canister until certain engine operating conditions are present.
Fill in the blank(s) with the appropriate word(s).
Which guideline needs to be lowered to cause the weight of the letter to shift up or down accordingly?
a. first c. third b. center d. fourth
Which of the following is not an advantage of a permanent magnetic motor over a field wound motor?
A) It has higher efficiency. B) Its flux is always constant. C) It has lower inertia. D) It needs only one power supply.