A fitting made up of gaskets and bolts that is used to connect large diameter steel pipe is a(n)
A. clamp
B. elastomeric fitting
C. grooved coupling
D. flange
Answer: D
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The tail rotor on a helicopter is responsible for. . . . . and is controlled through the . . . . .
A. off setting torque; rudder pedal. B. maintaining dynamic stability; auto pilot. C. directional control; collective. D. side slipping; cyclic.
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Which of the following valve types is NOT approved for use in a gas system?
a. ball b. gate c. butterfly d. plug
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A(n) ____________________ is a pure element or compound that allows electricity to flow freely.
Fill in the blank(s) with the appropriate word(s).
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Low suction pressures, iced coils, short cycling, and inefficient cooling, can also result from low head pressures.
Answer the following statement true (T) or false (F)
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