CHAPTER 13 HYDRAULICS UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Fluid - CORRECT ANSWER - Any substance that has fluidity, that is, able to flow and
yield to alter shape.
Pascal's Law - CORRECT ANSWER - Pressure applied to a confined liquid is transmitted
undiminished in all directions and acts with equal force on all equal areas, at right angles to those
areas.
Hydrostatic - CORRECT ANSWER - Low fluid movement with high system pressures
Hydrodynamics - CORRECT ANSWER - High fluid velocity with lower system pressures
Flow - CORRECT ANSWER - the movement of hydraulic medium through a circuit
Work - CORRECT ANSWER - occurs when effort or force produces an observable result.
Which of the following best describes the operating principles of a truck wet line kit? -
CORRECT ANSWER - Hydrostatic
Which of the following is a correct specification of atmospheric pressure at sea level -
CORRECT ANSWER - 14.7 inches Hg
Convert a manometer reading of 12 inches Hg into pounds per square inch (psi) - CORRECT
ANSWER - 6 psi