问题 问答题 简答题

测算大罐溢流高度的技术要求是什么?

答案

参考答案:

(1)缠绕密封带时,应顺时针方向缠绕,且缠绕层数要适当。

(2)取压阀内的死水必须放净,取压阀控制要达到开关灵活,不渗漏,关闭严密。

(3)各连接部位应达到不渗漏。

(4)压力表必须校验合格,并应有校验合格证书。

(5)读取压力表压力指示值时,眼睛、指针与刻度三点成一线才能读取。

(6)判断溢流管有无溢流水时,以听有无水流声音或看有无水溢出来为依据进行判断。

(7)用钢卷尺量取压力表与罐地高度时,应量取压力表与大罐底平面的垂直距离,以底平面为零点。

(8)大罐溢流高度计算。

阅读理解

Reading comprehension.

Central Park

     Outside among the trees, watch the wildlife-both the human and animal varieties. Call (212) 360-3465 or

(212) 360-2726 for daily events and tours. Central Park stretches from 59th to 110th Sts., and from 5th Ave.

to Central Park West

Empire State Building

     This is among the most striking buildings in the city, the nation, even the world. The observation deck (嘹

望台) on the 86th floor is open to the general public, offering a wonderful view of the city. On the second

floor you'll find the New York Skyride, a simulate helicopter ride over Manhattan. 5th Ave. at 34th St.,

Midtuwn/(212) 736-3100

Intrepid Sea-Air-Space Museum

     Five blocks west of Time Square, this museum has hundreds of air, deep-sea and space exhibits. Walk the

flight deck of the 900-foot-long aircraft carrier Intrepid, see dozens of old and modern aircraft and ride the

Intrepid Navy Flight Simulator. Pier86, W. 46th St. and 12th Ave. /(212)245-0072

Madison Square Garden

     If it's big, it probably happens at the Garden Check out sporting events, concerts and much more. Tours

are available. 7th Ave., btwn. 31st and 33rd Sts., Midtown/(212)465-6741

1. The New York Skyride is for _____. [ ]

A. sightseeing

B. flight training

C. model plane sports

D. city transportation

2. If a visitor is interested in music, he will probably go to _____.[ ]

A. Central Park B Empire State Building

C. Intrepid Sea-AirSpace museum

D. Madison Square Garden

3. What is the purpose of this text? [ ]

A. To provide information of living in New York.

B. To provide directions of city traffic in New York.

C. To give visitors a guide to New York.

D. To give a brief introduction of the history of New York.

单项选择题