List three hazards that may be found in a confined space.________________________________________________________________________________________________________________________________________________
What will be an ideal response?
Low oxygen levels
High oxygen levels
Toxic atmospheres
Combustible atmospheres
Electrical hazards
Crushing hazard
Engulfing hazard
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5 1/3 + 3 3 /4 = ?
What will be an ideal response?
In controlling motor operations, what are the two general schemes used to deliver the DC to the motor?
What will be an ideal response?
A recessed luminaire not identified for contact with insulation shall have all recessed parts spaced at least ____ from combustible materials.
A. 0.5 inches B. 1.25 inches C. 1.50 inches D. 1.75 inches
What is output voltage at the end of the input pulse to an RL integrator if the resistance is 22 k?, the inductor is 2 H and the input is a 12 V, 0.0909 ms pulse?
A) 11.4 V B) 7.59 V C) 10.4 V D) 11.8 V