首页
题目
TAGS
首页
/
题库
/
[单选题]Overgreasing of ball的答案
搜答案
Overgreasing of ball bearings installed on pumps will result in ().
单选题
2022-01-05 18:20
A、smoother pump operation
B、overheating of the bearing
C、reduced corrosion in the bearing
D、increased pump capacity
查看答案
正确答案
B
试题解析
标签:
船舶辅助机械
感兴趣题目
The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?()
One study conducted by a psychologist(121)of interviewing workers before and after the installation of a robot. The robot was used to control a matching process of stamping and assembling metal parts. Prior to installation, much of the work done by skilled machinists. After installation, the robot did the work, but the workers controlled the robot through the robot through a control panel. The results of the study indicated that the workers praised the robot(122)eliminating the physical labor and fatigue(123)the manual operation, but complained of more and continued stress. Prior to installation of the robot, there was time for talking or short periods of relaxation between jobs. Now, however, because of the speed of the robot, there was a need for constant scanning and monitoring of the operation(124)performed by the robot has the installation of the robot created a better work environment? Has the change from physical labor to mental stress resulted in an improved(125)of life? Much additional research is necessary.
Which of the following may take place if the clearance of the main bearings are excessive?()
Which of the following will take place if the clearance of the main bearings are excessive?()
对船舶起货机电动机的要求规定其机械特性为()机械特性。
Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake,Governments of Parties to the Convention should,to the extent they are reasonably able to do so,promptly()the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
Vessels must be()valid certificate of nationality or certificated of registry or license.
During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation. How would this environment variable setting affect the installation?()
Excessive clearances in the main or crank-pin bearings will sometimes be indicated by () before any bearing knock is heard.
In many installations basket strainers consist of a cylindrical container in which a perforated metal or wire basket is suspendedThe bold and italic word “which” means ().
The ball _____ two or three times before rolling down the slope.
相关题目
Which kind of ball was used in basketball games at first?
Yangzhou pork balls is one of the popular dishes of()
On a ship,a fixed carbon dioxide or other approved system must be installed().
船舶保险是以各种船舶和水上辅助船体及其碰撞责任为保险标的的一种保险,船舶按航行区域可分为(),保险费依船舶种类、船龄、船行区域不同而不同。
Which of the listed bearing types is an example of a solid bearing?()
In order to improve the working conditions of the crosshead bearings, the bearing pressure is made and the peripheral speed is made in later designs()
The type of installation“(71)”is selected by most users, the software installed with the most common options.
At sea,on what occasion would you display two red lights at night or two black balls during the day?().
The risk of collision shall be deemed to exist if the compass bearing of an approaching vessel ().
Which of the following items is necessary for all waste heat boiler installations, regardless of design or manufacturer? ()
The goal-keeper was punished for()possession of ball
A vessel’s position should be plotted using bearings of().
AMan invented a lot of sports equipment. The first true piece was the ball.Thousands of years ago,in Egypt,the children's favorite game was throwing stones. But a badly thrown stone could hurt a child. Looking for something less dangerous to throw,the peo-ple in Egypt made the first balls.At first,they used tree leaves to make balls. They used vines(藤) to keep the leaves to-gether. Later they began to use pieces of animals' skin and filled them with some light things.These balls were much better than the old ones.Before long they invented a lot of ball games,and each had its own rules. They began to play these ball games according to the rules. They thought that ball playing was one of the best ways to teach the young men to be brave and strong.( )21. The Egyptians invented _________very long ago.
Overgreasing of ball bearings installed on pumps will result in ().
The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and () of the pistons in the cylinders.
Masters are required to notify Port Authorities of anchorage bearings after().
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a().
The main bearing shells often have a thin () of lead or indium to provide a layer giving protection against corrosion.
A main bearing consists of two shells which are secured by means of studs and ().
The size of ball and roller bearings can be identified by the ().
广告位招租WX:84302438
题库考试答案搜索网
免费的网站请分享给朋友吧