What does a flashback arrestor do?
A) Helps to curb the cost of welds
B) Restricts the flow of gas
C) Prevents gas loss
D) Prevents a flashback
E) Mixes the gas equally
D
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Which of the following statements about storing piles is true?
a. Piles should be stored so they do not sag. b. Steel piles must be allowed to develop a sacrificial layer of rust during storage. c. Piles should be stored at an angle so they’re easier to hoist. d. Piles should be stored where they will be driven.
The end of a piece of a steel pipe is reamed after it is cut with a pipe cutter to make it easier to start the thread die.
Answer the following statement true (T) or false (F)
Technician Asays a NOT gate simply reverses binary ones to zeros and vice versa. Technician B says AND gate operation is similar to two switches in series to a load. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
What methods can be used to join soft copper?
What will be an ideal response?