A cable hanger elbow is a _____.
a. fitting used to suspend cables in long vertical runs
b. strip of metal used to divide a section of cable tray
c. structural frame used to support piping
d. device used to make vertical offsets
a. fitting used to suspend cables in long vertical runs
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The concept of precedence that is fundamental to a network diagram states that _____.
a. Activity B is optional according to the budget b. Activity B cannot begin until Activity A is complete c. Activity A is a higher priority than Activity B d. Activity A is scheduled before Activity B
Two technicians are discussing drum brake shoes. Technician A says that forward and rear-facing shoes are the same and can be installed in either position on any drum brake system. Technician B says that the darker color linings should always be placed toward the front of the vehicle Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither technician A nor B
A series circuit consists of three resistors with values of 1.2 k?, 2.2 k?, and 3.3 k? across a 15-V source. The current through the 2.2 k? resistor is
A) 10 mA B) 2.24 A C) 6.81 mA D) 2.24 mA
Which of these actions is taken to prevent over-pressurizing the torch hoses during equipment setup?
a. Opening the tank valve slowly. b. Turning the regulator adjusting screw counterclockwise (out). c. Turning the regulator adjusting screw clockwise (in). d. Installing flashback arrestors.