An emissions grade dynamometer allows a repair facility to simulate vehicle:
A. acceleration
B. steady state cruise
C. deceleration
D. all of the above
Answer: D
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What test is being performed in this illustration?
A) Clutch spline clearance
B) Bell housing runout
C) Stator mount clearance
D) Transmission end-play
What scales are common for a plan drawing?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. The silicon-controlled rectifier (SCR) is made by joining four layers of semiconductor material together. 2. The SCR is a rectifier. 3. If the SCR is to control all of the positive waveform, it must be phase shifted. 4. To test an SCR, connect the negative output lead of the ohmmeter to the anode and the positive lead to the cathode. 5. One disadvantage of the GTO over a common SCR is its inability to control power in a direct current circuit.
There are many methods of insulating metal ductwork. Which of the following methods is NOT used to insulate ducts?
A) Bubble outer wrap or liner B) Spray-on urethane foam C) Fiberglass outerwrap with vapor barrier D) Fiberglass liner