In plasma arc gouging, the torch is held at approximately a ____ degree angle to the metal surface.
A. 30
B. 45
C. 90
D. 180
Answer: A
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While discussing the transmission housing and/or case, Technician A says when removing parts from inside the case, pay close attention to the location of the check balls that may be in the hydraulic system. Technician B says that the case passages can be checked using high-pressure compressed air to determine leaks and cracks. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
PROBLEM 3.44 For the gear train described in Prob. 3.43, determine the angle through which end A rotates when and PROBLEM 3.43 A coder F, used to record in digital form the rotation of shaft A, is connected to the shaft by means of the gear train shown, which consists of four gears and three solid steel shafts each of diameter d. Two of the gears have a radius r and the other two a radius nr. If the rotation of the coder F is prevented, determine in terms of T, l, G, J, and n the angle through which end A rotates.
Which of the following is a true statement about chemical constraints in different agroecological areas of the tropics?
A) Highest phosphorus fixation occurs in semiarid areas. B) Low CEC is most prevalent in acid savannas. C) Acidity without Al toxicity is highest in the humid tropics. D) Aluminum toxicity is most widespread in semiarid areas. E) The proportion of saline soils in the humid tropics is greater than in other regions.
The electronic leak detector uses a pump to pull air samples into the unit and test them for traces of __________.
What will be an ideal response?