?Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?
A. ?Some welding electrodes produce more heat than is needed to make a weld if the metal is very cold.
B. ?Some metals become very brittle and crack easily at low temperatures.
C. ?Some arc welding electrodes will not hold an arc if the metal is too cold.
D. ?None of the above
Answer: B
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The primary advantages of room air conditioners include:
A) Relatively low cost and ease of installation. B) Can be used for improving indoor air quality using HEPA filters. C) Can be used with ductwork to distribute air to several rooms. D) High efficiency and quiet operation.
What is the major disadvantage of a top air discharge condenser over a side air discharge condenser?
What will be an ideal response?
Which item is a computer input sensor?
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