The key used on a calculator to represent addition is:
A. -
B. +
C. x
D. ¸
Answer: D
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For the net cash flow series, (a) determine the number of possible i* values using the two sign tests, (b) find the EROR using the MIRR method with an investment rate of 20% per year and a borrowing rate of 10% per year, and (c) use the MIRR function to find the EROR.
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Which of the following statements is true?
A) The accumulator decrements by the time base value when the timer instruction is false. B) Timer parameters can only be entered into the timer instructions in the ladder. C) PLC 5 and SLC 500 have time bases of 1, 0.1, 0.01, and 0.001 seconds. D) PLC 5 and SLC 500 both use timer file, T4, with each timer assigned a unique number from 0 to 255.
Cam profile is the actual contour of the cam.
Answer the following statement true (T) or false (F)
A welding symbol consists of a circle whose center is at the middle of the reference line. Two lines go through the circle parallel to the reference line, one above the reference line and one below it. To the left is the notation 0.22 and to the right is the notation 3.44. What does this welding symbol signify?
A. This symbol means that a continuous spot weld is to be placed between or upon overlapping members. The width of the weld is to be 0.22 inches, and the length of the weld is to be 3.44 inches. B. This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 3.44 inches, and the length of the weld is to be 0.22 inches. C. This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 3.44 inches, and the penetration of the weld is to be 0.22 inches. D. This symbol means that a seam weld is to be placed between or upon overlapping members. The width of the weld is to be 0.22 inches, and the length of the weld is to be 3.44 inches. E. None of the above. This is an incorrect symbol.