$11.$ All brake systems rely on applying some form of to slow or stop the equipment.

$12.$ Hydraulic is applied to the wheel cylinders from an actuating device.

$13.$ If there are pistons on both sides of the rotor the caliper is

$14.$ On internal wet disc brake systems the friction discs are internally to the rotating wheel.

$15.$ The piston$-$type accumulator used on brake systems is pre$-$charged with dry

$16.$ Spring$-$applied, hydraulically$-$released brakes are designed so if a loss of hydraulic pressure occurs there is an immediate application of the brakes.

a$.$ True

b$.$ False

$17.$ The more force the operator applies to the brake pedal, the less the pressure drop in the service brake circuit.

a$.$ True

b$.$ False

$18.$ A tire valve can be used to replace the gas valve in an accumulator.

a$.$ True

b$.$ False

$19.$ When bleeding brakes you must first ensure that the hydraulic reservoir is full before beginning an air purge.

a$.$ True

b$.$ False

$20.$ The most effective way to clean the oil cooler is to use a high$-$pressure wash or steam.

a$.$ True

b$.$ False

$21.$ What type of pump is typically used for the brake pump?

a$.$ Piston

b$.$ Gear

c$.$ Vane

d$.$ None of the above

$22.$ What type of accumulator is most popular in spring$-$applied brake systems?

a$.$ bladder

b$.$ piston

c$.$ diaphragm

d$.$ weighted