Which of the following types of insulation is manufactured by shredding recycled newspapers and other paper products into a fine fiber that traps air?
A) Spray foams B) Foam boards
C) Cellulose insulation D) Fiberglass insulation
C
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?How is the amperage adjusted on a FCA welding machine?
A. ?By changing the voltage setting on the welder. B. ?You move the welding lead from one amperage setting to the next amperage setting. C. ?Changes in the wire feed speed automatically change the amperage. D. ?The amperage is pre-set by the electrician and cannot be adjusted in the shop.
If two 2.5 mH inductors are connected in series with a 4.7 k? resistor and the source voltage is 100 VDC, what is the circuit's maximum current?
A) 21.3 mA B) 7.9 mA C) 63.2 mA D) 1.1 mA
What features may be combined in a handheld engine analyzer?
A. digital storage oscilloscope B. secondary ignition scope C. computer system scan tool D. all of the above
Excessive heat caused by using your brakes too often can also cause:
a. Modulated control valve to wear out. b. Brake linings to split up. c. Brake to fade or fail.