Which of the following could cause this condition?
A walk-in freezer with TEV has the following conditions:
? Subcooling is 25°
? Superheat is 25°
a. Restriction before the receiver
b. Restriction after the receiver
c. Restricted metering device
d. Low on refrigerant
a. Restriction before the receiver (BACKS UP REFRIGERANT INTO THE CONDENSER)
? Subcooling is 25° HIGH
? Superheat is 25° HIGH
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The spacing between bolts, or pitch, in standard bolted connections is usually _______________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is TRUE?
A) The duty cycle increases with increasing temperature. B) The duty cycle decreases with increasing temperature. C) The duty cycle decreases with decreasing temperature. D) The duty cycle increases with decreasing temperature.
Geometric tolerances are divided into which of the following types?
A. form B. size C. runout D. both a and c E. all of the above
_____ offsets the tendency of a tractor-trailer to tip over while it is changing direction, especially during turns.
Fill in the blank(s) with the appropriate word(s).