Removal of the soil's plant covering by fire has the same effect no matter what causes the fire
Indicate whether the statement is true or false
True
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A motor overload relay consists of a current-sensing unit and a mechanism activated by the sensing unit that _____.
a. dissipates excess current b. opens the motor circuit c. trips an alarm d. decreases motor speed
Using livestock as an energy source was helpful because the work the animals did replaced many human
laborers. Whereas tilling an acre would take one human ____ hours, the same work could now be done using livestock in ____ hours.
a. 160; 40 b. 160; 20 c. 140; 60 d. 140; 20
A 1.8 degrees stepper motor is directly connected to a machine table driven by a lead screw with eight threads per inch. (Note that pitch is the axial distance traveled for one revolution of the screw).
Determine the axial distance traveled by the lead screw when an external input of 4355 pulses is sent to the motor. A separate encoder is connected to the other end of the lead screw. The encoder generates 180 pulses/rev. What will be the number of pulses in the above case? What will be an ideal response?
Polyglycol brake fluid usually meets ________ specifications
A) DOT 3 or 4 B) DOT 5 C) DOT 5 or 6 D) DOT 6