Technician A says that clicker type torque wrenches should be calibrated regularly. Technician B says to store clicker torque wrenches at their minimum (zero) setting. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
C) Both technicians
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What is the purpose of a steam turbine?
a. Produce high pressure steam. b. Produce low pressure steam. c. Provide rotational energy to a pump, compressor, or generator. d. Convert high pressure steam into condensate.
TechnicianA says the third prong on an AC electrical plug provides extra current during a power surge. TechnicianB says the third prong is a safety ground. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
An Al?5% Cu ingot unidirectionally solidified under the conditions of no diffusion in the solid, complete diffusion in the liquid, and local equilibrium at the interface, so that the Scheil equation applies.
(a) Calculate the composition the the liquid when the ingot is 50 percent solid. What is the average composition of the solid? (b) What is the interface temperature at this point? (c) How much eutectic and second phase ? will have formed when the ingot is completely solidified? (d) Plot the composition profile in the solidified ingot.
What is used to ignite the air-fuel mixture in the cylinder of a gasoline engine?
A) An arc at the spark plug B) Chemical reaction of the air-fuel mixture C) Heat of compression D) The primary winding of the ignition coil