A、a closed loop control system
B、an open loop control system
C、a boiler control system
D、a steering gear
更多“In （）the control action is independent on the output.”相关的问题
A、governor flyweight action on a pilot valve which controls fuel injection B、governor flyweight motion acting on fuel controls through suitable linkage C、positioning a butterfly valve in the fuel delivery system positioning D、a servomotor piston attached to the fuel controls
A、control the back pressure of return oil B、lock the oil lines under some conditions C、change the direction of oil flow D、act as relief valve
A、the direct acting relief valve is used for controlling lower flows and pressure B、the pilot operated relief valve is used for controlling higher flows and pressure C、the pilot operated relief valve is used for controlling lower flows and pressure D、the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
A、the Quebec Act of 1774 B、the Treaty of Paris in 1763 C、the Constitutional Act of 1791 D、the Act of Union in 1840
A、the Quebec Act of 1774 B、the Treaty of Paris in 1763 C、the Constitutional Act of 1791 D、the Act of Union in 1840
A、the Act of Union in 1840 B、the British North America Act of 1867 C、the Quebec Act of 1774 D、the Constitutional Act of 1791
A、A.the Act of Union in 1840 B、B.the British North America Act of 1867 C、C.the Quebec Act of 1774 D、D.the Constitutional Act of 1791
A、bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed B、bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed C、the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine D、two-stoke/cycle diesel engines require more complicated lubrication piping
A、Add the OnClick event handler for the Login button to the code used in the custom user control. B、Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added. C、In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added. D、In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.
A、Add the OnClick event handler for the Login button to the code used in the custom user control. B、Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added. C、In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added. D、In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.
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