The exact temperature of an arc varies according to what?
What will be an ideal response?
The exact temperature of arc varies according to the length of the arc, size of the electrode, and
amperage setting.
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The plant medium must be evaluated in terms of soil pH
Indicate whether the statement is true or false
Dampeners are used on some fuel rails to ________
A) Increase the fuel pressure in the rail B) Trap dirt and keep it away from the injectors C) Reduce (decrease) the fuel pressure in the rail D) Reduce noise
Pneumatic controls operate by
A) Electricity B) Air pressure C) Hydraulic pressure D) Water pressure
A variable frequency drive is a system for controlling the rotational speed of an electric motor by:
A) Controlling the frequency of the power supplied to it. B) Controlling the voltage amplitude supplied to it. C) Varying the load applied to it. D) Varying the current flow to it.