When cutting thin steel with oxyfuel cutting equipment, point the torch tip in the direction the torch is traveling at a _____.
a. 10- to 12-degree angle
b. 15- to 20-degree angle
c. 21- to 25-degree angle
d. 30- to 35-degree an
b. 15- to 20-degree angle
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TechnicianA says service manuals contain information about hazardous materials. TechnicianB says an MSDS contains information about hazardous materials. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What can occur if a hybrid electric vehicle is pushed in the shop?
A) High voltage will be generated by the motor/generator. B) The tires will be locked unless the ignition is on. C) Damage to the electronic controller can occur. D) The HV battery pack can be damaged.
Typical intake valve stem-to-guide clearance is ________
A) 0.015 to 0.020 inch (0.4 to 0.5 mm) B) 0.030 to 0.045 inch (0.8 to 0.10 mm) C) 0.005 to 0.010 inch (0.13 to 0.25 mm) D) 0.001 to 0.004 inch (0.025 to 0.076 mm)
Which of the following accurately describes the danger of air in the refrigeration system?
A) Oxygen will chemically react with the refrigeration oil and deposits buildup in the discharge valve area, causing compressor motor burnouts. B) Oxygen may violently react with hydrogen and potentially cause a fire within the refrigeration system. C) Too much air makes it impossible to properly calibrate an analog vacuum gauge within the refrigeration system. D) The presence of air makes it impossible to connect a vacuum pump, which is necessary to perform the evacuation procedure.