If the ohmmeter indicates continuity through the SCR before the gate is touched to the anode, the SCR is ____.
A. working correctly
B. open
C. shorted
D. disconnected
Answer: C
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A defective PCV valve can cause:
A. Increased HC emissions B. Oil sludge C. Oil leaks D. All of the above
Which of the following statements about work gloves is not true?
a. They should be worn whenever hand injuries are possible. b. The size of the gloves does not matter. c. They should be removed when working with rotating machinery. d. They are considered personal protective equipment.
Air enters a nozzle at 100 m/s, 20°C and 100 kPa. The maximum exiting velocity if it exits at 80 kPa is nearest:
A) 200 m/s B) 215 m/s C) 250 m/s D) 300 m/s
Which of the following was NOT among the critical U.S. raw materials, delivered by railroads to factories, that fueled early American industrialization?
A. rubber B. iron C. coal D. copper E. oil