On power drills, why should the chuck key always be removed from the chuck after tightening the drill
bit?
What will be an ideal response?
If the chuck key is not removed from the chuck, it will be thrown when the drill is started, and could
injure the operator or someone nearby.
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Site plan requirements vary by jurisdiction, such as city, county, or state.
Answer the following statement true (T) or false (F)
Technician A says that a major disadvantage of using B100 biodiesel as a fuel on North American highways is its high pour point temperature. Technician B says that a disadvantage of using biodiesel cuts as fuels is faster fuel degradation than on equivalent 100% petroleum sourced diesel fuel. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
A BJT transistor has the following characteristics: td = 30 ns, tr = 30 ns, ts = 180 ns, tf = 45 ns. The practical maximum switching frequency (fmax) for the circuit is
A) 116 kHz B) 117 kHz C) 100,000 Hz D) 857,143 Hz
Assuming ideal diodes, determine and sketch the i -v characteristics for the circuit of Figure P9.63. Consider the range 0 ? V ? 81V.
