AUT Exam 2 Graded A+
A "chirping" or squealing noise is heard while the vehicle is moving forward, but stops
when the brakes are applied. Technician A says that the noise is likely caused by the
disc brake pad wear sensors. Technician B says that tinnerman nuts are used to hold
the brake drum on and must be reinstalled when the drum is replaced. Which technician
is correct? - ANSWER-Technician A only
A safety stand is also called a _______. - ANSWER-Jack stand
A tire is labeled 215/60Rx15 92H; the 15 indicates __________. - ANSWER-The rim
diameter
A tire is labeled 215/60Rx5 92T; the 215 refers to the tire's __________. - ANSWER-
Cross sectional width
Aluminum wheel lug nuts require _________. - ANSWER-Re-torqueing after 25 miles
Commonly damaged areas of a vehicle during hoisting include ________. - ANSWER-
A. Tires or body panels
B. Rocker panels
C. Exhaust systems
D. All of the above
Disc brakes are commonly used _______. - ANSWER-On both front and rear of many
vehicles
Disc brakes use replaceable friction material called ________. - ANSWER-Pads
DOT tire coding will indicate all of the following EXCEPT:? - ANSWER-The Treadwear
rating
Drum brakes use replaceable friction material called ________. - ANSWER-Shoes
Hydroplaning can occur at speeds as low as ________. - ANSWER-30 mph
Most brake experts and vehicle manufacturers recommend replacing brake lining when
the lining thickness is _______. - ANSWER-0.060 in. (1.5 mm)
Most vehicle manufacturers specify a lug nut (wheel nut) tightening torque specification
of about ______. - ANSWER-80 to 100 lb-ft
Pictures of disc vs drum brakes
Identify power booster in picture
A "chirping" or squealing noise is heard while the vehicle is moving forward, but stops
when the brakes are applied. Technician A says that the noise is likely caused by the
disc brake pad wear sensors. Technician B says that tinnerman nuts are used to hold
the brake drum on and must be reinstalled when the drum is replaced. Which technician
is correct? - ANSWER-Technician A only
A safety stand is also called a _______. - ANSWER-Jack stand
A tire is labeled 215/60Rx15 92H; the 15 indicates __________. - ANSWER-The rim
diameter
A tire is labeled 215/60Rx5 92T; the 215 refers to the tire's __________. - ANSWER-
Cross sectional width
Aluminum wheel lug nuts require _________. - ANSWER-Re-torqueing after 25 miles
Commonly damaged areas of a vehicle during hoisting include ________. - ANSWER-
A. Tires or body panels
B. Rocker panels
C. Exhaust systems
D. All of the above
Disc brakes are commonly used _______. - ANSWER-On both front and rear of many
vehicles
Disc brakes use replaceable friction material called ________. - ANSWER-Pads
DOT tire coding will indicate all of the following EXCEPT:? - ANSWER-The Treadwear
rating
Drum brakes use replaceable friction material called ________. - ANSWER-Shoes
Hydroplaning can occur at speeds as low as ________. - ANSWER-30 mph
Most brake experts and vehicle manufacturers recommend replacing brake lining when
the lining thickness is _______. - ANSWER-0.060 in. (1.5 mm)
Most vehicle manufacturers specify a lug nut (wheel nut) tightening torque specification
of about ______. - ANSWER-80 to 100 lb-ft
Pictures of disc vs drum brakes
Identify power booster in picture
