Technician A says that if the electrical supply to an air dryer is interrupted, the dryer purge valve will immediately cease to function. Technician B says that the heater used in many air dryers is cycled by a thermostat. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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What equipment hazards are associated with a failure to maintain sufficient inlet steam pressure? (Select all that apply.)
a. Hunting b. Machine failure c. Relief valve popping d. Turbine shutdown
True or false? A soil that contains inorganic material (like sand), water, and air, is considered to be complete
What will be an ideal response?
The sequence of operation for an oil burner is ________
A) the thermostat calls for heat, the ignition spark is established, the furnace fan comes on, the main flame is established B) the thermostat calls for heat, the furnace fan comes on, the ignition spark is established, the main flame is established C) the thermostat calls for heat, the ignition spark is established, the main flame is established, the furnace fan comes on
Isometric drawings are never dimensioned.
Answer the following statement true (T) or false (F)