stems can reach

$23.$ Application spring tension in spring$-$applied brake systems can reach $a.150,000b.250,000$

$c.350,000d.450,000$

a$.$ brake pressure switch

b$.$ accumulator pressure switch

c$.$ brake drag sensor

d$.$ none of the above

$25.$ What determines the wheel$-$end clamping forces used by spring$-$applied, hydraulically released brakes?

a$.$ Size of the Springs

b$.$ Number of Springs

c$.$ Gas charge in the accumulator

d$.$ Both A & B

$26.$ Brake systems conver $$ energy into heat energy.

$27.$ Hydraulic pumps lose when they wear internally.

$28.$ Do not allow the converter to stall for more than $20$ seconds at a time without a

$29.$ The is a high$-$pressure vessel and must be treated accordingly.

$30.$ On spring$-$applied brakes hydraulic pressure is used to hold off the brakes in the position.

$31.$ Air$-$over hydraulic brakes are generally used in on$-$highway equipment.

a$.$ True

b$.$ False

$32.$ The force that applies the foundation brakes converts to friction, which retards vehicle movement.

a$.$ True

b$.$ False

$33.$ On air$-$over hydraulic brake systems the control circuit is managed by air pressure and the application circuit by hydraulics.

a$.$ True

b$.$ False

August $2023$

Version $3$

Page $4$ of $5$