注册验船师
单选题Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances（）A This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. Th
题目
This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.
This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm.
This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm.
This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.
相似问题和答案
第1题：
Of the items listed below, which one(s) should be saved into the process control block?
Ⅰ.Process name and process number
Ⅱ.Process running information
Ⅲ.Current opened file information
A．Ⅰ and Ⅱ
B．Ⅰ and Ⅲ
C．Ⅱ and Ⅲ
D．Ⅰ、Ⅱ and Ⅲ
第2题：
Of all the extingushing agents listed below, which one has the greatest capacity for heat absorption?______.
A.Water fog
B.Carbon dioxide
C.Dry chemical
D.Solid stream of water
在下列所有灭火剂中，哪个是最具有吸热性能的灭火剂？水雾型的
第3题：
Which method shown below is acceptable for reducing cost or shortening the schedule?
A."Crashing"
B.Changing scope.
C.Performing activities in parallel rather than in series.
D.All of the above.
E.A and C only.
D
第4题：
Several people, （） I listed below, have not submitted their reports.
Athat
Bwhom
Cwhich
Dwho
B
略
第5题：
Which of the listed problems could produce a high absolute pressure within a flash type evaporator?
A.production of high salinity distillate
B.seawater feed temperature below 165℃
C.a leak in the first stage demister
D.a cracked distillate pump vent line
第6题：
Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?
A.Cooling the air to a temperature just above dew point
B.Heating the air to a point at which moisture will boil off ,then re-cooling it
C.Cooling the air to a point below dew point, then reheating it
D.Heating the air and then cooling it to a point below dew point
第7题：
A. Disk drive size
B. IP address
C. Acceptable outage time
D. Operating system version
第8题：
Which statement below is correct in appropriateness of dressing for a job interview?
A.The clothes must be properly fit, but never overdressed.
B.It is acceptable for a woman to wear a mini-skirt.
C.Wearing a hat is considered to be a lack of confidence.
D.No jewelry or accessory should be put on.
第9题：
According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?
A.6 knots
B.7 knots
C.9 knots
D.12 knots
第10题：
Which part as below don’t has direct interest in the safety of shipping and the welfare of seamen（）
- A、Flag State
- B、Ship owner
- C、Ship chandler
- D、Classification society
正确答案:C