Frames And Suspension Flashcards
What suspension would best be suited for use on a concrete mixer truck
Solid mount
What is an advantage of a walking beam (equalizer beam)
Walking beams allow frames to move half the distance to the axle housings
Fact
The effective length of a progressive spring shortens as it is loaded
A shock absorber is a device that helps to control suspension movement. T or F
True
Fact
Shock absorbers slow weight transfer between axles during braking
Fact
Shock absorbers have greater resistance in the rebound condition
Torque rods can provide for adjustment of axle to frame alignment. T or F
True
Which valves ensures there is enough air to operate the brakes
Pressure protection valve
Fact
The frame must support the vehicle load, resist shock loads and support body components
What best describes the maximum bending moment
The location where the maximum amount of force acts on the frame
What valve allows the operator to lower and raise the frame?
Two way control valve
What is considered unsprung weight
Leaf springs
What is the purpose of a sliding suspension
The sliding suspension changes weight distribution
What determines the strength of a frame
Yield strength and section modulus
Which of the following spring designs allows the effective spring length to change as more loads are applied?
Constant rate
Progressive rate
Variable
Leaf spring
Progressive rate
The wheel bearing on a vehicle was damaged because of repeated impact loading when the vehicle was stationary. What is the name of this type of bearing failure?
Brineling
Which of the following is an example of a friction bearing?
Axial thrust bearing
Radial thrust bearing
Rollar bearing
Camshaft bushing
Camshaft bushing
What is an advantage of using a steerable axle on a c-train converter dolly
The the steerable axle will prevent tire scuffing
Which of the following components is part of a fifth wheel assembly
King pin
Bolster plate
Coupling jaws
Wear sleeve
Coupling jaws
Calculate the gear ratio resulting from a 16 tooth gear driving a 36 tooth gear
2.25:1
What could cause a landing gear leg to neither extend nor retract even though the crank turns
The bevel gear drive pin is sheared
