When must a two-pipe oil delivery system be used?
A) When using a high firing rate burner
B) Only when the oil burner is a dual firing rate burner
C) When the burner is above the tank and must lift the oil
D) When the burner is at or below the level of the oil tank
C
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What does Underwriters Laboratories (UL) do?
What will be an ideal response?
Which of the following statements is LEAST-Likely true?
A. Connecting rods and caps must be marked for identification and must not be reinstalled backwards. B. When numbering connecting rods on a V-type engine, mark them according to their correct cylinder number as listed in the firing order specifications. C. Powdered metal connecting rods should be marked using number stamps. D. Do not file notches on the rod beam.
Why is wood not often used to make tools?
What will be an ideal response?
When performing a monthly inspection of a gas reciprocating compressor, cylinders rated greater than ________ psi should have the cylinder heads removed and lubrication verified
A) 4,500 B) 2,500 C) 1,500 D) 3,500