Technician A says oil pressure is affected by the amount of main and rod bearing clearance. Technician B says that the oil pressure is lower when the oil gets hot than when it is cold. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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_____ está aprobado para uso en la mayoría de las ubicaciones Clase I, División 1.
a. EMT b. PVC c. Tuberías eléctricas selladas a los líquidos d. Tubería eléctrica metálica rígida
Technician A says that a check valve uses a spool to control fluid flow both ways. Technician B says that check valves are a type of directional control valve. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
The article “Stochastic Estimates of Exposure and Cancer Risk from Carbon Tetrachloride Released to the Air from the Rocky Fats Plant” models the increase in the risk of cancer due to exposure to carbon tetrachloride as lognormal with µ = –15.65 and ? = 0.79.
a. Find the mean risk. b. Find the median risk. c. Find the standard deviation of the risk. d. Find the 5th percentile. e. Find the 95th percentile.
Two technicians are discussing electromagnetic induction. Technician A says that the induced voltage can be increased if the speed is increased between the conductor and the magnetic lines of force. Technician B says that the induced voltage can be increased by increasing the strength of the magnetic field. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B