The minimum clearance of service drop conductors over a residential driveway is reduced to 12' (3.7 m) when the voltage is limited to _____.
a. 120V to ground
b. 270V to ground
c. 300V to ground
d. 360V to ground
c. 300V to ground
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What are three common real-world applications of a parallelism tolerance on a drawing?
What will be an ideal response?
Two technicians are discussing the interference angle. Technician A says that it helps a reground valve to seat because it causes increased valve seat pressure. Technician B says that a 10 difference between the valve face and seat angles is enough to cause the valve to leak and burn. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
The term "oriental" refers to designs that began in
a. early America c. China b. Egypt d. Russia
Compute the reactions and draw the shear and moment curves for the beam in Figure P9.19. Given: EI is constant. Use the reactions at B as the redundants.
