Steel bars that are bonded within concrete to increase its strength are sometimes called _____
a) WWF
b) rerods
c) pretension steel
d) ties
b
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Which type of port fuel injection fires all the injectors at the same time, once per crankshaft revolution?
A) Gang double fired B) Throttle body injection C) Sequential fired D) Simultaneous double fired
Two technicians are diagnosing a poorly running engine. There are no diagnostic trouble codes. When the MAF sensor is unplugged, the engine runs better. Technician A says that this means the MAF is supplying incorrect air flow information to the PCM. Technician B says that this indicates the PCM is defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Diamond and polycrystalline diamond tools are used to:
A) Take heavy cuts for high stock removal B) Make intermittent cuts at low speed C) Replace carbide tools on most materials D) Machine hard, abrasive materials at high speed
An irregular cylindrical object has an evenly spaced number of holes in its circular base. Which of the following is (are) true?
A. A full section is warranted if there is an even number of holes in the circular base. B. An offset section is warranted if there are an odd number of holes in the circular base. C. A half section is all that is needed for a cylindrical object. D. A cutting plane line is not necessary with any cylindrical object. E. none of the above