Electrode coatings provide:
A) Slow cooling rate of weld B) Stabilize the arc
C) Influence on bead shape D) All of the above
D
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The last reported case of foot-and-mouth disease in the United States was in the 1990s
Indicate whether the statement is true or false
Two technicians are discussing TXVs. Technician A says that the TXV senses evaporator temperature to control the valve opening. Technician B says that the TXV senses evaporator pressure to control the valve opening. Who is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Numerical analysis and review of the home's energy consumption history, which will include both electrical and heating fuel bills is an important part of a residential audit.
Answer the following statement true (T) or false (F)
Sparks from a cutting operation can travel at least _____
a. 20 feet b. 30 feet c. 40 feet d. 50 feet