The effects of moisture in the refrigeration system are which of the following? You may select more than one
A) Metering device freeze-up
B) Acid formation in the system
C) Higher-than-normal pressures
D) Internal system corrosion
E) Dilution of the refrigerant oil
A, B
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In a glass wall supported by cable trusses, the glass _______.
A) bears on (horizontal) rails. B) is connected to (vertical) mullions. C) A and B. D) none of the above.
Decimal-inch dimensioning is still used more than the metric system.
Answer the following statement true (T) or false (F)
The maximum power output of a permanent magnet dc motor occurs
A. when it is generating maximum torque B. at its no-load speed C. at 1/2 of its no-load speed D. when it is stalled E. at 1/4 of its no-load speed
Oblique sketches may require the sketching of oblique ____________________.
Fill in the blank(s) with the appropriate word(s).