What does the primary control do?
What will be an ideal response?
The primary control operates the burner motor and ignition transformer and provides flame safety. On a call for heat, the primary control starts the burner motor and ignition transformer. If flames are not established, the primary control shuts down the oil burner motor and ignition transformer.
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On method for solving proportions is to set up the two ratios as equal fractions and then cross multiplying.
Answer the following statement true (T) or false (F)
Technician A says that micrometers used in conjunction with a small hole gauge can be used to obtain a valve guide to valve stem measurement. Technician B says that dial indicators are sometimes used to measure valve guide to valve stem clearance. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The LAF sensor is capable of measuring air-fuel ratios as lean as ________
A) 14.7:1 B) 30:1 C) 25:1 D) 12:1
The fluid flow shown in the illustration occurs when the brakes are:
A. being applied. B. being released. C. at rest (completely off). D. none of the above.