Technician A says a rubber mallet is an essential tool for forming the final contour on sheet metal. Technician B says a body file is used to remove a crease in sheet metal. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
D. Neither Technician A nor B
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Showing only the secondary of the transformer indicates that its power ____.
a. is very low or negligible b. is variable c. is almost constant d. can be derived from almost anywhere
Answer the following statement(s) true (T) or false (F)
A. The natural logarithm of the activity coefficient of component i in a mixture is a partial molar property of the excess molar Gibbs free energy, divided by RT. B. The “A” parameter in the 1-parameter Margules equation is related to the differences between the “like” interactions in a system and “unlike” interactions in a system. C. The infinite dilution activity coefficients from the 1-parameter Margules equation are equal to the “A” parameter of the model. D. The 1-parameter Margules equation is a quadratic function of the composition of the system. E. None of the above are false.
The dual-servo brake is more powerful than any non-servo design
Indicate whether the statement is true or false
When setting up FCAW equipment to provide the proper arc length, set the voltage _____
a. to create a 1/2" (13 mm) arc b. to create a 1" (25 mm) arc c. according to the manufacturer's recommendations d. to ensure the arc does not contact the base metal