?What problem might be caused if the root opening is larger than normal?
A. ?More filler metal will be needed and the heat-affected zone will be larger.
B. ?You might have to use a higher amperage setting to melt both sides of the root to get good fusion.
C. ?Using a very short arc will help solve the problem.
D. ?Nothing if you are a good welder and can fill the larger gap.
Answer: A
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Clown fish provide bits of food to the sea anemone in exchange for safety, and these small fish do best if sea anemones are also kept in the aquarium. This mutually beneficial relationship is known as ____________________
Fill in the blank(s) with correct word
Why is the Montreal Protocol significant?
A) Its benchmark goals have all been met. B) It has led to a complete ban on ozone-depleting products. C) It does not require government action to achieve its goals. D) It has the support of almost every country in the world.
A floor system that interlocks without the use of fasteners is commonly known as a ________
A) Resilient floor B) Acrylic impregnated floor C) Floating floor D) Parquet floor
?Explain the difference in charging a R-1234yf system compared to charging a R-134a system.
What will be an ideal response?