Unusual noise during a test drive can be caused by ________
A) Defective or worn control arm bushings or ball joints
B) Worn or defective CV joints
C) Defective wheel bearings or stabilizer bar links
D) All of the above
D
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Technician A says that a variable geometry turbocharger (VGT) may be used to regulate EGR flow. Technician B says that a smart actuator may be used to control the position of a variable geometry turbocharger. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Fine solid particles can be precipitated out of water by adding _____.
a. powdered charcoal b. alum c. soda ash d. finely ground limestone
The secondary ignition circuit can be tested using ________
A) An ohmmeter B) Visual inspection C) An ammeter D) Both A and B
The calculations for density and specific volume for Systems International (SI) are:
A) The same as AHRI standard conditions using metric values. B) Reciprocal values of ANSI standard conditions. C) Inversely proportional when compared with AHRI standard conditions. D) Reciprocal values of ACCA standard conditions.