Chauffeur's License (Guam) Test 2 with
Questions and Solutions
The driver should always test emergency relay valves and brakes - ✔✔before
Leaving a terminal
Should test the foot brakes - ✔✔Before descending a long grade or
approaching any danger point
service brakes - ✔✔must be adequate to control the movement of and to stop
and hold the vehicle under all conditions of loading and on any grade incident to
its operation
parking brakes - ✔✔must be adequate to hold the vehicle on any grade on
which it is operated
parking brake - ✔✔the system must be so constructed that the failure of the
service brake does not affect the parking brake , and so that the parking brake will
hold despite exhaustion of any source of energy or leakage of any kind.
air brakes - ✔✔vehicles with air brakes must have at least one reservoir which
is depleted no more than 20 percent when the service brakes are applied .
vacuum brakes - ✔✔vehicles with vacuum, brakes must have a reservoir which
is depleted no mote than 40% by the application of the service brake with the
engine stopped.
, Pressure Guage - ✔✔every vehicle equipped with air vacuum brake shall be
equipped with a pressure gauge showing the amount of air or vacuum int he
reservoir and visible and legible to the drive at all times.
low air warning device - ✔✔every vehicle equipped with air brakes shall have a
low air Waring device both audio able and visible to the driver and shall
satisfactory continuous warning when air suppl pressure drops below a fixed
pressure which shall not be more than 75 LB per square inch nor than 55 LB per
square in with engine running
vehicle dimensions - ✔✔commercial vehicles are limited, height, width, length,
and weight.
length - ✔✔the final size factor facing the driver of a large vehicle is length.
single unit vehicle length - ✔✔35 feet
semi/trailer length - ✔✔40 feet
semi trailer: 45 feet if difference of king pin and center of last axle does not
exceed 38 feet
bus length - ✔✔40 feet
combination vehicles length - ✔✔65 feet
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