Which of the following measurements are made by the index output of an incremental optical encoder?
A. revolutions accumulated
B. rpm
C. degrees traveled
D. reference position
E. both a and d
Answer: E
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Texans won their independence as a result of the victory over Mexican armies at the Battle of
A. Santa Anna. B. Goliad. C. the Alamo. D. San Jacinto. E. the Rio Grande.
Under design conditions, the room air conditioner uses an evaporative condenser to reject heat.
Answer the following statement true (T) or false (F)
Which statement is FALSE?
A) The primary/drive pulley is attached to the input shaft B) The primary pulley is adjusted to control the gear ratio, and the secondary pulley is adjusted to maintain tension on the belt C) The movable face for each pulley is attached to a piston that has hydraulic control pressure applied to it D) Both sheaves are fixed so they cannot move
?Technician A says that it is normal for the piston to remain stationary at TDC for a few degrees of crankshaft rotation. Technician B says that if the intake valve is open more at TDC than the exhaust valve, the cam is retarded. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B