A300

?8456.The main system pressure relief valve in a simple hydrauHc system equipped with a power control valve should be adjusted

发布于 2021-02-18 22:10:18

【单选题】
A ?with the power control valve held in the CLOSED position.
B ?while one or more actuating units are in operation.
C ?with the power control valve in the OPEN position.

关注者

0

被浏览

91

RENO 2023-02-18

这家伙很懒，什么也没写！

此回答被采纳为最佳答案，开通VIP会员可查看

1 个回答

撰写答案

请登录后再发布答案，点击登录

关于作者

24k

这家伙很懒，什么也没写！

提问

回答

450

被采纳

450

关注TA

发私信

相关问题

1

?8451.Many hydraulic reservoirs contain a smaii quantity of fluid which is not available to the main system pump.This fluid is retained to

2

?8452.The unit which causes one hydraulic operation to follow another in a definite order is called a

3

?8453.The purpose of a hydraulic pressure regulator is to

4

?8454.Severe kickback of the emergency hydraulic hand pump handle during the normal intake stroke wih indicate which of the following?

5

?8455.What type of valve in an aircraft hydraulic system permits fluid to flow freely in one direction, but restricts the rate at which fluid is allowed to flow in the other direction?

6

?8457.A hydraulic accumulator is charged with an air pre- load of 1,000 PSI.When a hydraulic system pressure of 3,000 PSI is developed, the pressure on the air side of the accumulator will be

7

?8458.How is the air in a hydraulic accumulator prevented from entering the fiuid system?

8

?8459.After a hydraulic accumulator has been installed and air chamber charged, the main system hydraulic pres- sure gauge will not show a hydraulic pressure reading until

9

?8460.Which must be done before adjusting the relief valve of a main hydraulic system incorporating a pres- sure regulator?

10

?8461.Which seals are used with petroleum base hydrau- lic fluids?

发布
问题

手机
浏览

扫码手机浏览

在线
客服