2026 COMPLETE QUESTIONS AND ANSWERS
GRADED A+
● Which power variable describes the rate at which a hydraulic system
accomplishes work? Answer: Power
● Which statement about hydraulic horsepower (HHP) is true? HHP:
Answer: Increases as flow rate and pressure requirements increase.
● What type of damage may occur when a hydraulic system operates
above its temperature range? Answer: Conductor expansion
● How is a hydraulic pump's fluid displacement measured? Answer:
Cubic inches or cubic centimeters per revolution
● What is the point at which torque and horsepower decrease at higher
speeds? Answer: Peak value
● Which hydraulic power variable measures how effectively a pump
performs? Answer: Efficiency
, ● What term describes the amount of hydraulic fluid passing through
any component in a hydraulic system in a given amount of time?
Answer: Volume flow rate
● How does Pascal's Law apply to hydraulic systems? Pascal's Law
results in a/an: Answer: Equal distribution of pressure.
● What industrial noise level is generally considered the maximum for
safe human hearing? Answer: 80 dBA
● What does revolutions per minute measure? Answer: Rotary speed
● Which statement is true about pressure in a hydraulic system? Pressure
is: Answer: Proportional to the applied load and area.
● What does a component's working pressure describe? A component's
working pressure describes the pressure: Answer: Required to overcome
a load's resistance.
● Which of the following statements about pneumatic valves is true?
Answer: Valves control pressure, direction, and flow of air in a
pneumatic system.
● Where are flow control valves located in a pneumatic system?
Answer: Output port