When checking the liquid level in a tank, you should positio

题目
单选题
When checking the liquid level in a tank, you should position yourself ().
A

on the windward side of the opening

B

on the leeward side of the opening

C

at a right angle to the wind direction

D

so that the obstruction of your body will protect you from the fumes

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

Movement of liquid in a tank when a vessel inclines causes an increase in ______.

A.Righting arm

B.Metacentric height

C.Height of the uncorrected KG

D.Natural rolling period


正确答案:D

第2题:

Which statement about inert gas pressures in a cargo tank is TRUE ________.

A.The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging

B.Gas pressures should be maintained at the highest permissible level throughout the discharging process

C.High gas pressures may cause pyrophoric oxidation in the tank

D.High gas pressures may cause loss of suction when stripping


正确答案:B

第3题:

When steering by autopilot, how often should_______steering be checked?

A.every day

B.when time allows

C.At least once a watch

D.No checking is necessary


正确答案:C
当操自动舵的时候,操舵装置多久被检查一次?每班至少一次。

第4题:

单选题
When you are transferring fuel oil to the setting tanks, precautions to be observed should include ()
A

plugging gooseneck tank vents to prevent accident overflow

B

maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line

C

sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill

D

maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship


正确答案: B
解析: 暂无解析

第5题:

Here you can see the liquid food compactly stored in a pressurized tank.

A:densely
B:inexpensively
C:quickly
D:carefully

答案:A
解析:
本句意思:从这里你可以看到液态的食物被压缩储存在一个压力罐里。densely的意思 为“稠密地”;inexpensively的意思为“便宜地”;quickly的意思为“迅速地”;carefully的意思为 “仔细地,认真地”。compactly的意思为“坚实地,紧凑地”,和densely的意思接近。

第6题:

When a tank is to be gas freed after washing,the concentration of hydrocarbon vapour should be reduced by purging the inerted cargo tank with ______.

A.the oxygen

B.the gas

C.the inert gas

D.the hydrocarbon vapour


正确答案:C

第7题:

When cleaning a tank by the Butterworth process,you should begin to pump out the slops ______.

A.At the end of the drop schedule

B.When the process is started

C.When the process is finished

D.When the tank is clean


正确答案:B

第8题:

The amount of LFG that may be loaded into a given tank is determined by ______.

A.Checking the loading sheet

B.Loading to within 1 percent of outage

C.Loading to within 10 percent of the safety relief valve setting

D.Filling to the maximum level indicated on the liquid level gaging device


正确答案:D

第9题:

When surveying for VoWLAN, which power level should you base the access point coverage designon?()

  • A、40mW maximum transmit power
  • B、average power level of the VoWLAN clients
  • C、100mW transmit power
  • D、lowest power level of the VoWLAN clients

正确答案:D

第10题:

单选题
A tank which carries liquid is dangerous to the stability of a vessel when it is().
A

low in the vessel

B

completely empty

C

completely full

D

slack


正确答案: B
解析: 暂无解析

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