310T Steering, Suspension And Brake Systems –
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Terms in this set (308)
The height of the fifth wheel from the a) not allow the trailer height to exceed 13'6" (4.1 m).
ground should:
a) not allow the trailer height to
exceed 13'6" (4.1 m).
b) be between 3'6" and 60" (1.1 and 1.5
m).
c) provide adequate swing clearance
between the tractor and the trailer.
d)be capable of being varied by
adjusting air or hydraulic pressure.
Which vehicle dynamic control system a) Rollover stability control
adds a steering angle and lateral
acceleration sensor to ABS
architecture?
a) Rollover stability control
b) Automatic traction control
c) Collison avoidance system
d) Directional stability control
,Consider a tractor and semitrailer b) Trailer swing-out
combination vehicle. If the tractor
were equipped with an ABS but the
trailer was not, which of the following
situations would most likely occur
under a hard braking condition?
a) Understeer
b) Trailer swing-out
c) Jackknife
d) Oversteer
What type of electrical signal is c) Low voltage alternating current (AC)
supplied to the ABS ECU by wheel
speed sensors?
a) Digital
b) Serial data J-1939
c) Low voltage alternating current
(AC)
d) Low voltage direct current (DC)
ABS modulator valves contain: d) an electrically controlled inlet and exhaust valve.
a) only an electrically controlled
exhaust valve.
b) only an electrically controlled air
inlet valve.
c) a normally closed inlet and exhaust
valve.
d) an electrically controlled inlet and
exhaust valve.
,Traction control systems minimize c) selectively braking slipping wheels and reducing
wheel slip by: engine power.
a) modulating brake pressure to
wheels with traction.
b) selectively applying brakes to
slipping or spinning wheels.
c) selectively braking slipping wheels
and reducing engine power.
d) reducing engine power when the
wheels spin.
A lateral acceleration sensor, or "G" d) roll stability control (RSC) system
sensor, is a system input sensor used
only by the:
a) automatic traction control (ATC)
system.
b) directional stability control (DSC)
system.
c) ABS.
d) roll stability control (RSC) system.
A yaw sensor is an input used by the b) measure the difference between "steered" and
directional stability control system to: actual vehicle direction.
a) measure the rotation of a tractor
around the trailer king pin.
b) measure the difference between
"steered" and actual vehicle direction.
c) detect whether the vehicle's center
of gravity has become too high.
d) measure the steering wheel angle.
, Which of the following is the air gap b) 0.015"
setting for a typical truck wheel speed
sensor?
a) There is no air gap setting.
b) 0.015"
c) 0.005"
d) 0.010"
Which of the following test a) An ohmmeter
instruments is used to measure the
output signal of a wheel speed
sensor?
a) An ohmmeter
b) An oscilloscope
c) A DC voltmeter
d) An AC voltmeter
Automatic traction control differential c) Road speeds above 25 mph (40 kph)
braking will normally not occur when
which of the following conditions
exist?
a) When only one wheel is spinning
b) Road speeds below 5 mph (8 kph)
c) Road speeds above 25 mph (40
kph)
d) Only when there is a defective front
wheel speed sensor
ABS works simply by electronically d) Wheel speeds
measuring individual __________.
a) Wheel ends
b) Lateral acceleration
c) Yaw rate
d) Wheel speeds
Complete With A+ Answers
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Terms in this set (308)
The height of the fifth wheel from the a) not allow the trailer height to exceed 13'6" (4.1 m).
ground should:
a) not allow the trailer height to
exceed 13'6" (4.1 m).
b) be between 3'6" and 60" (1.1 and 1.5
m).
c) provide adequate swing clearance
between the tractor and the trailer.
d)be capable of being varied by
adjusting air or hydraulic pressure.
Which vehicle dynamic control system a) Rollover stability control
adds a steering angle and lateral
acceleration sensor to ABS
architecture?
a) Rollover stability control
b) Automatic traction control
c) Collison avoidance system
d) Directional stability control
,Consider a tractor and semitrailer b) Trailer swing-out
combination vehicle. If the tractor
were equipped with an ABS but the
trailer was not, which of the following
situations would most likely occur
under a hard braking condition?
a) Understeer
b) Trailer swing-out
c) Jackknife
d) Oversteer
What type of electrical signal is c) Low voltage alternating current (AC)
supplied to the ABS ECU by wheel
speed sensors?
a) Digital
b) Serial data J-1939
c) Low voltage alternating current
(AC)
d) Low voltage direct current (DC)
ABS modulator valves contain: d) an electrically controlled inlet and exhaust valve.
a) only an electrically controlled
exhaust valve.
b) only an electrically controlled air
inlet valve.
c) a normally closed inlet and exhaust
valve.
d) an electrically controlled inlet and
exhaust valve.
,Traction control systems minimize c) selectively braking slipping wheels and reducing
wheel slip by: engine power.
a) modulating brake pressure to
wheels with traction.
b) selectively applying brakes to
slipping or spinning wheels.
c) selectively braking slipping wheels
and reducing engine power.
d) reducing engine power when the
wheels spin.
A lateral acceleration sensor, or "G" d) roll stability control (RSC) system
sensor, is a system input sensor used
only by the:
a) automatic traction control (ATC)
system.
b) directional stability control (DSC)
system.
c) ABS.
d) roll stability control (RSC) system.
A yaw sensor is an input used by the b) measure the difference between "steered" and
directional stability control system to: actual vehicle direction.
a) measure the rotation of a tractor
around the trailer king pin.
b) measure the difference between
"steered" and actual vehicle direction.
c) detect whether the vehicle's center
of gravity has become too high.
d) measure the steering wheel angle.
, Which of the following is the air gap b) 0.015"
setting for a typical truck wheel speed
sensor?
a) There is no air gap setting.
b) 0.015"
c) 0.005"
d) 0.010"
Which of the following test a) An ohmmeter
instruments is used to measure the
output signal of a wheel speed
sensor?
a) An ohmmeter
b) An oscilloscope
c) A DC voltmeter
d) An AC voltmeter
Automatic traction control differential c) Road speeds above 25 mph (40 kph)
braking will normally not occur when
which of the following conditions
exist?
a) When only one wheel is spinning
b) Road speeds below 5 mph (8 kph)
c) Road speeds above 25 mph (40
kph)
d) Only when there is a defective front
wheel speed sensor
ABS works simply by electronically d) Wheel speeds
measuring individual __________.
a) Wheel ends
b) Lateral acceleration
c) Yaw rate
d) Wheel speeds
