____ are those in which a change is considered to affect the mechanical properties of the weldment to the point of requiring requalification of the procedure.
A. Essential variables
B. Nonessential variables
C. Code parameters
D. WPS parameters
Answer: A
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Formal documents that are maintained as part of document control need to be recorded, updated, and _____.
a. processed daily b. distributed regularly c. stored securely d. supplied internally
An ideal gas with CP = (7/2)R and molecular mass of 28 g/mol enters an adiabatic, steady state valve at T = 500 K and P = 0.5 MPa. The entering and exiting streams both have negligible velocity. What are the temperature and pressure of the exiting stream?
A. T = 500 K, P = 0.1 MPa B. T = 500 K, P cannot be determined from the given information. C. T = 450 K, P = 0.1 MPa D. T = 450 K, P cannot be determined from the given information. E. Neither T nor P can be determined from the given information.
Troubeshooting Reach-In / Medium Temp - Diagnosis: Cap Tube is restricted (partially)
The American Wire Gauge rates wires in size from smallest to largest as:
A) 4 mm to 40 mm. B) 000 to 50. C) 40 mm to 4 mm. D) 50 to 0000.