What do the numbers (for example 5-5-20) on a fertilizer bag stand for?
What will be an ideal response?
The percentage of nitrogen, phosphorus, and potassium respectively
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Which of the following is true about choosing a joint design?
A. The ability of a welded joint to withstand stress depends mostly on weld integrity not joint design. B. Base metal does not play a part in joint design. C. The rate of travel, penetration, deposition rate, and heat input affect the welds used on some joint designs. D. The least suitable welding position for most joints is the flat position because it is generally not as strong.
Explain why, whenever practical, sharp corners are rounded and sharp edges are eliminated.
What will be an ideal response?
Applying an ac voltage to an electromagnet's coil will produce a ________
A) changing magnetic field B) steady magnet field C) north magnetic field D) south magnetic field
Pets and livestock are most likely to contract rabies through contact with infected wild animals such as:
A. deer B. rabbits C. bats D. all answers are correct