Most products made by primary industries are used as standard stock and become one of the inputs into the manufacturing process.
Answer the following statement true (T) or false (F)
True
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____ are a temporary method of holding parts in place until they can be completely welded.
A. Tack welds B. Plug welds C. Fillet welds D. Spot welds
With the compressor off, a technician compares the pressure of an air-cooled condenser with the pressure given on the PT chart for that refrigerant and temperature. The system pressure is considerably higher than the pressure indicated on the PT chart for that refrigerant and temperature. This indicates that:
A) The system has noncondensable gases in it. B) The system has been properly evacuated and charged. C) The system has been slightly overcharged. D) The system has been undercharged.
Which of the following is not a type of axonometric projection?
A. isometric B. trimetric C. diametric D. both a and b E. none of the above
The continuous change of both amplitude and polarity of the magnetic field causes currents to be induced into the metal core material; these currents are called ____________________ currents.
Fill in the blank(s) with the appropriate word(s).