When using a torque wrench to tighten a circular compressor head:
A) Set the wrench to 120% of the specification to allow for loosening.
B) Tighten the bolts in a clockwise pattern, working your way around the circle.
C) Apply a bead of silicone sealant to the gasket before starting
D) Tighten all the bolts to a lower torque, repeat with a slightly higher torque, and finally tighten all the bolts to the specified torque.
D
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Answer the following statement(s) true (T) or false (F)
1. A silent alarm is more desirable than an audible alarm. 2. Maglocks are always fail-secure. 3. Typically, access control systems only require one power supply . 4. Diodes are used to protect against inductive kick on an electronic strike. 5. You will never connect a magnetic lock directly to AC of any voltage.
What is an open circuit?
What will be an ideal response?
Technician A says that slow range shifts may be caused by dry (insufficient silicone lube) O-rings. Technician B says that slow range shifts can be caused by excessive silicone lube applied to O-rings. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Most engine-powered welding machines turn a generator that produces _____
a. AC current b. DC current c. a pulsed AC waveform d. a pulsed DC waveform