The device used to prove that a burner flame is present in a furnace with hot surface ignition is a _____
a. thermocouple
b. glow coil
c. flame-sensing rod
d. bimetal switch
c
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These mechanical devices are used to reduce friction between two surfaces.
a. cam b. gear c. bearing d. roller
Describe how datum precedence is established.
What will be an ideal response?
A starter current draw test indicates lower than specified cranking speed and current. The next step is:
a. replace the starter solenoid, it is defective. b. run a voltage drop test of B+ and ground cables. c. test the battery. d. to use the 9.6 volt drop test for a tight engine.
Eleven holes drilled around a circle are equally spaced. How many degrees, minutes, and seconds are between the centers of the holes? Express the answer to the nearest second.
A. 28 degrees 33 minutes 21 seconds B. 29 degrees 5 minutes 23 seconds C. 31 degrees 53 minutes 19 seconds D. 32 degrees 43 minutes 38 seconds