<div style='margin-bottom: 20px;'> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What are the two main categories of remote control methods?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Wireless and wired.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What should be the primary consideration when selecting an electric linear actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The primary consideration should be the actuator's ability to support the load it will be moving.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How does the speed of an actuator relate to its gear ratio?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A high gear ratio slows down the speed but increases the force.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What type of material is used in Piezo actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Piezo actuators use a type of ceramic material.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the purpose of terminating transmission lines with a resistor to ground in wired remote controls?</h2> <p style="font-weight: normal; font-size: 1.2rem;">To prevent reflections that occur when a previous signal doesn't disappear before the next is transmitted.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How much can Piezo actuators typically expand by?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Piezo actuators typically expand by about 1% of their size.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the primary difference between a Solenoid Actuator and a Linear Actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The primary difference is in the naming and categorization by engineers, even though both produce linear motion.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How can interference in wired remote controls be reduced?</h2> <p style="font-weight: normal; font-size: 1.2rem;">By shielding cables and using differential signals through a twisted pair of conductors.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How can the stroke length of an Electric Linear Actuator be varied?</h2> <p style="font-weight: normal; font-size: 1.2rem;">By having Leadscrews of different lengths.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the most common actuator connection method mentioned?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The most common connection method is a 2 wire system.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What determines the linear speed of an Electric Linear Actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The speed at which the leadscrew is turned by the motor.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What does an IP rating indicate for an electric linear actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The level of weather protection, including resistance to elements like rain and temperature.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How are actuators with built-in feedback typically wired?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Actuators with built-in feedback have more wires, usually 2 extra wires and sometimes 4 extra wires.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the advantage of using thin cables with as few conductors as possible?</h2> <p style="font-weight: normal; font-size: 1.2rem;">It reduces the mechanical issues associated with cables.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How does the environment influence the required IP rating of an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Factors such as temperature, humidity, dust, and water exposure determine the necessary IP rating.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is a mechanical load in the context of actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A mechanical load is a physical stress or opposing force working against the energy produced by the actuator.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is a significant limitation of wired remote control when used with mobile robots?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The cable can become a burden for the robot.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How does the resistance of wires affect the transmission of electric signals in wired remote controls?</h2> <p style="font-weight: normal; font-size: 1.2rem;">It causes the signals to lose energy, decreasing their amplitude as distance increases.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the typical range for the stroke length of electric linear actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The stroke length typically ranges from 1 inch to around 40 inches.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What converts rotary motion to linear motion in an Electric Linear Actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A Leadscrew converts rotary motion to linear motion in an Electric Linear Actuator.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">Why might actuators not commonly have a stroke length longer than 40 to 50 inches?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Due to the mechanical limitations of the leadscrew inside the actuator.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What standard voltages do actuators typically come in?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Actuators typically come in 12 or 24vdc.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What type of feedback devices might an actuator include for positional control?</h2> <p style="font-weight: normal; font-size: 1.2rem;">An actuator might include a hall sensor, optical sensor, or potentiometer for feedback.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How does reversing the polarity affect an electric actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Reversing the polarity to the power source changes the actuator's direction.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What factors affect the force requirements of an electric linear actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Load weight, acceleration and deceleration rates, distance and speed, inertia, friction and resistance, and safety factors.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What are the mechanical issues associated with cables in wired remote controls?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Fixed number of wires, stiffness, weight, and obstruction.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What common application uses Piezo actuators for high precision control?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Piezo actuators are most commonly used as fuel injectors in cars.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How is more force applied to the nut in an Electric Linear Actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">More force is applied from the motor to the leadscrew.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the principle behind the operation of pneumatic actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Pneumatic actuators operate by using pressurized gas or air to move a piston, creating linear motion.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the primary function of an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">An actuator converts energy into motion or mechanical force.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the consequence of applying more torque to the leadscrew?</h2> <p style="font-weight: normal; font-size: 1.2rem;">More linear force will be available for the sliding rod.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the most common method to create torque in an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Adding gear between the motor and the leadscrew.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the purpose of a Clevis in mounting an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A Clevis connects the actuator to a type of bracket for mounting.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the best known form of wireless remote control and its limitations?</h2> <p style="font-weight: normal; font-size: 1.2rem;">IR remote control, limited to line-of-sight communication.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is a significant drawback of pneumatic systems compared to hydraulic systems?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Pneumatic systems have a lag due to air being compressible, whereas hydraulic systems do not have this problem.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What are the characteristics to consider when selecting an electric linear actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Stroke, force, speed, and IP rating.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">Name a common use of linear actuators in manufacturing plants.</h2> <p style="font-weight: normal; font-size: 1.2rem;">Linear actuators are used in material handling systems.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is a common use for hydraulic actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Hydraulic actuators are used on heavy-duty construction equipment.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">How do rotary actuators differ in their motion production?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Rotary actuators can produce either continuous rotation or fixed angular rotation.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What are two benefits of using pneumatic actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">High speed and fairly high forces can be achieved with pneumatic actuators.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">Why might a tethered power source be beneficial for a robot?</h2> <p style="font-weight: normal; font-size: 1.2rem;">It eliminates the need for heavy batteries, allowing the robot to be powered by an AC outlet.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the trade-off when increasing force in an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Higher forces result in lower speed, and conversely, higher speed means lower force.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is required to increase speed for a given force in an actuator?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A larger input motor, which is physically bigger and draws more current.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What role does a controller play in an actuator system?</h2> <p style="font-weight: normal; font-size: 1.2rem;">A controller activates the actuator, controls its output, and guides its direction, force, and longevity.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What fluid do hydraulic actuators use to operate?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Hydraulic actuators use a non-compressible liquid called hydraulic fluid.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What is the most common application of solenoid actuators?</h2> <p style="font-weight: normal; font-size: 1.2rem;">The most common application of solenoid actuators is the central locking on car doors.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">What enables servo motors to offer precise rotational control?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Servo motors have sensors, like hall sensors or encoders, that measure position for precise control.</p> </div> <div style="margin-bottom: 10px; background-color: #f2f2f2; border-radius: 1rem; padding: 10px 20px;"> <h2 style="font-weight: bold; margin-bottom: 3px; font-size: 1.5rem;">Is a relay considered a type of actuator, and why?</h2> <p style="font-weight: normal; font-size: 1.2rem;">Yes, a relay is considered a type of electrical actuator because it has a moving component that actuates an electrical signal or connection.</p> </div> </div>