When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors， and are operating within their designed range， the unit with the least amount of speed droop will （）.
A
举一反三
- Which of the following devices is common to both mechanical and hydraulic governors?（）
- The Engine Interface Control Unit () handles the interface to ______ and<br/>Hydraulic Power Supply (). A: internal systems B: external systems C: control systems D: operating systems
- Which of the following devices is a common basic element with nearly all mechanical governors?（）
- It is mechanical operated by a cable system, rather than a hydraulic one．
- The<br/>variants of 8051 microcontroller differ in ( ) A: Amount<br/>of on-chip memory B: Operating<br/>speed C: On-chip<br/>peripherals D: all<br/>of these candidates
内容
- 0
Some of the earliest mechanical devices were designed to raise water from streams for the irrigate of crops.() A: earliest mechanical B: were designed C: raise D: irrigate
- 1
The operating speed of High-speed railway is more than ______ .
- 2
The platform of the high speed railway station has been equipped with step-free_______。
- 3
In a hydraulic transmission system typical operating modes include manual operation、( )、( )、( ) and electro-hydraulic operation。
- 4
Embedded operating systems are designed to be used in embedded computer systems.