Pump symbols are defined on the _____ page.
a. P&ID
b. mechanical symbology
c. spool drawing
d. instrument symbology
b. mechanical symbology
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Use the chart provided to determine the length of a 20-penny nail.
a. 10"
b. 8"
c. 4"
d. 6"
Technicians should be careful when brazing lines to evaporator coils that have pre-installed thermostatic expansion valves because the heat from brazing the lines:
A) Can overheat the TEV bulb and destroy the valve. B) Alter the chemical makeup of the bulb charge and change its physical properties. C) Can weld the sensing bulb to the suction line. D) Can catch the refrigerant on fire.
Technician A says that methyl hydrate is a de-icing fluid. Technician B says that alcohol is introduced into brake systems to lubricate pneumatic valves. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
A 6-bit D/A converter produces an output voltage of 1.8 volts for a binary input code of 100100. What will be the value of the output voltage for an input code of 110011?
What will be an ideal response?