Tooling U Test Questions with All Correct Answers (1)

Tooling U Test Questions with All Correct Answers (1) Which type of fluid flow generates low friction and occurs at a low velocity? - Answer- Laminar flow 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 Which type of pneumatic valve controls the rate of air flow? - Answer-Flow control valve What type of directional control valve allows air to move in only one direction? - Answer- Check valve Which part of a diaphragm-type regulating valve closes or opens the inlet? - Answer- Poppet A flow control valve located at the inlet of an actuator is characteristic of which of the following? - Answer-Meter-in circuit Which type of directional valve actuation often exists as an override to normal valve operation? - Answer-Manual What is the purpose of a directional control valve? A directional control valve: - Answer- Determines where air flows. Which statement about sequence valves is true? A sequence valve: - Answer-Opens or closes two or more valves in a specific order.