Instrument Tech Nccer Questions! Already Passed

66) Tube gain is due to the fact that A. tubing expands when temperatures change B. tubing takes a shortcut through the radius of the bend C. shipping contracts when temperatures change D. tubing changes ID when bending occurs {Ans: B. tubing takes a shortcut through the radius of the bend}51) Instrument loop where would wet instrument air show up first A. In the air piping B. at the dryer C. in the fitting regulator D. at the valve positioner {Ans: B. at the dryer}57) The preferred medium to remove debris from a new instrument air line prior to service is : A. Water B. Air C. Alcohol D. Dilute Caustic {Ans: B. Air}54) what organization issues the guidelines used for lockout procedures A. ASME B. OSHA C. NFPA D. NEC {Ans: B. OSHA}169) when using soft rolled tubing it must be unrolled and straightened A. by use of rollers B. by using wooden mallets C. by hand D. enough to enter a compression fitting {Ans: C. by hand}98) The part of a control valve that controls the plug proportionally to the output of the controller is the : A. Hand wheel operator B. Valve