Select the possible causes of an underfeeding TEV. You may choose more than one
A) Undersized valve
B) Restricted filter drier
C) High superheat adjustment
D) Oversized TEV
E) Low superheat adjustment
F) Restricted inlet screen on TEV
G) TEV sensing bulb not making good thermal contact
H) Dead thermostatic bulb charge
A, B, C, F, H
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The higher the wire feed speed, the lower the welding current.
Answer the following statement true (T) or false (F)
Determine the number of degrees through which the minute hand moves from 9:20 to 9:50.
Fill in the blank(s) with the appropriate word(s).
Technician A says that the section modulus (SM) of a frame member is a measure of its twistability. Technician A says that the higher the section modulus the more rigid a frame member is. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
At what frequency is a 0.001 ?F capacitor operating if its reactance is 45 k??
A) 3.54 MHz B) 35.4 kHz C) 3.54 kHz D) 354 kHz