Why should the heating element of a hot surface igniter not be touched when installing a replacement igniter?
A) The igniter comes already charged and will deliver a painful shock
B) Your hands will be in the way of the mounting screws, making it impossible to install
C) The igniter is very hot and will cause severe burns
D) The igniter will burn out where you touched it
D
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Many commercial job specifications require that fresh concrete be tested on the job.
Answer the following statement true (T) or false (F)
Figure 41-02
In the accompanying figure, because control relay CR is used as a(n) ____________________, it must be permitted to remain energized when either or both of the motor starters are not energized.
Fill in the blank(s) with the appropriate word(s).
The ____ lock washer is a dished washer made from spring steel.
a. plain flat b. tongued lock c. split-ring d. cone-type
The bonsai container must be made of pottery and be glazed on the inside
Indicate whether the statement is true or false