DZ LICENSE - WRITTEN TEST
QUESTIONS WITH 100% CORRECT
ANSWERS!!
1 of 67
Term
It is unsafe to drive a vehicle when the air pressure is
Give this one a try later!
when the fuel tank is empty. during heavy rain.
outside the normal operating
above the speed limit.
range.
, Don't know?
2 of 67
Term
When inspecting the foundation brake components, the
driver must check for
Give this one a try later!
components that are components that are too
painted but not functional shiny or clean
damaged, missing or
malfunctioning
components; cracked, newly installed components
loose, missing or that are not yet tested
contaminated brake
linings
that are less then the
required thickness
Don't know?
, 3 of 67
Term
Test air loss rate by checking for audible air leaks and
then observe the air pressure gauges with full air
pressure, the engine stopped,
spring brakes released and the service brakes applied.
Give this one a try later!
If the pressure drop in
If the pressure increases,
one minute exceeds the
it is defective
value
specified for that vehicle,
it is defective
If the pressure remains If the pressure drop is minimal,
constant, it is defective it is defective
Don't know?
4 of 67
Definition
a push/pull type valve with a yellow four sided knob
located near the driver
Give this one a try later!
, A hydraulic brake control An air pressure release valve
valve is typically is usually
A spring brake control
valve is normally A fuel control valve is generally
Don't know?
5 of 67
Term
You must not let the pushrod stroke
Give this one a try later!
apply the service brakes lose its braking ability
begin to apply automatically exceed the adjustment limit
Don't know?
QUESTIONS WITH 100% CORRECT
ANSWERS!!
1 of 67
Term
It is unsafe to drive a vehicle when the air pressure is
Give this one a try later!
when the fuel tank is empty. during heavy rain.
outside the normal operating
above the speed limit.
range.
, Don't know?
2 of 67
Term
When inspecting the foundation brake components, the
driver must check for
Give this one a try later!
components that are components that are too
painted but not functional shiny or clean
damaged, missing or
malfunctioning
components; cracked, newly installed components
loose, missing or that are not yet tested
contaminated brake
linings
that are less then the
required thickness
Don't know?
, 3 of 67
Term
Test air loss rate by checking for audible air leaks and
then observe the air pressure gauges with full air
pressure, the engine stopped,
spring brakes released and the service brakes applied.
Give this one a try later!
If the pressure drop in
If the pressure increases,
one minute exceeds the
it is defective
value
specified for that vehicle,
it is defective
If the pressure remains If the pressure drop is minimal,
constant, it is defective it is defective
Don't know?
4 of 67
Definition
a push/pull type valve with a yellow four sided knob
located near the driver
Give this one a try later!
, A hydraulic brake control An air pressure release valve
valve is typically is usually
A spring brake control
valve is normally A fuel control valve is generally
Don't know?
5 of 67
Term
You must not let the pushrod stroke
Give this one a try later!
apply the service brakes lose its braking ability
begin to apply automatically exceed the adjustment limit
Don't know?
