Technician A says that a thorough visual inspection should be performed on all ignition components when diagnosing an engine performance problem. Technician B says platinum spark plugs can be regapped after use in an engine. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
A
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The ____ position is commonly used in fabrication shops where structures or small systems can be positioned for the convenience of the welder.
A. 6G 45 degree inclined B. 2G vertical fixed C. 5G horizontal fixed D. 1G horizontal rolled
The most common switch used in residential wiring is the __________ switch.
a. double-pole switch b. combination switch c. three-way d. single-pole
There are two competing designs for a certain semiconductor circuit. The lifetime of the first (in hours) is exponentially distributed with 
, and the lifetime of the second is lognormally distributed with ยต = 6 and 
= 5.4.
a. Use a simulated sample of size 1000 to estimate the probability that a circuit with the first design lasts longer than one with the second design. b. Estimate the probability that a circuit with the first design lasts more than twice as long as one with the second design.
Magnetic controllers for wound rotor motors consist of one or more accelerating contactors that cut out steps of resistance in the ____.
a. primary circuit b. stator circuit c. secondary circuit d. branch circuit