Technician A says that when welding the replacement structure into place, the first welds should be made on the definition crowns. Technician B says a stitch weld technique should be used when welding the seam to minimize the possibility of warpage. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
C. Both Technicians A and B
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Bulls are evaluated on the basis of the production records of their _____
a. ancestors c. sons b. daughters d. sons and daughters
A pesticide is more likely to contaminate groundwater if it has which of the following characteristics?
A) highly soluble in water B) highly volatile (high vapor pressure) C) rapidly degraded by soil microorganisms D) strongly adsorbed to soil colloids E) all of the above
What happens when a furnace is installed on lower-voltage supplies?
A) The furnace will not operate correctly if it is installed on lower-voltage supplies. B) There is a significant gain in heating capacity. C) Nothing happens when furnaces are installed on lower-voltage supplies. D) There is a significant loss of heating capacity.
What is the minimum trade size EMT permitted for twelve 12 AWG THWN copper conductors supplying a junction box that feeds fluorescent luminaires?
A. 1-1/4 in. B. 1 in. C. 3/4 in. D. 1/2 in.