单选题 Make sure that the hydraulic fluid level is within the specified range.
相关试题
单选题 The pressure gauge should read between 40 and 60 psi.
单选题 The filter element must be replaced after 500 flight hours.
单选题 If the warning light comes on, stop the engine immediately.
单选题 The access panel must be secured before the aircraft takes off.
单选题 The ammeter shows the current flowing through the circuit.
单选题 If you cannot remove the bolt, apply penetrating oil and wait.
单选题 Remove the four screws that hold the cover in place.
单选题 If the pressure is low, adjust the regulator to increase the flow.