题目内容

Which of the following statements is true, for two pumps used in circuit when initially fast operation is performed to reach a workpiece and feeding operation is done at a slow speed?

A. initially to reach a workpiece, a tool must be connected to a pump of high discharge and low pressure
B. initially to reach a workpiece, a tool must be connected to a pump of low discharge and high pressure
C. for feeding operation low discharge low pressure pump is required
D. none of the above

查看答案

搜索结果不匹配？点我反馈

更多问题

A. single pump
B. double pump
C. single and double pump use same amount of power
D. none of the above

A. systemctl status httpd
B. systemctl restart httpd
C. systemctl start httpd
D. systemctl enable httpd

A. /var/www/html
B. /etc/httpd/conf
C. ~/.ssh
D. /ssh

A. yum start httpd
B. yum install httpd
C. yum update httpd
D. yum erase httpd