网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
（）is not an advice be observed when samples are taken in tanks containing volatile petroleum products.
A
Filter masks with a combination filter should be brought and used whenever necessary
B
Only explosion-proof equipment（marked EEx）should be used
C
Avoid breathing petroleum gases，especially if they come from sour crude（smell of rotten eggs）
D
so far as possible，take early and substantial action to keep well clear
参考答案
参考解析
解析：
暂无解析
更多 “单选题（）is not an advice be observed when samples are taken in tanks containing volatile petroleum products.A Filter masks with a combination filter should be brought and used whenever necessaryB Only explosion-proof equipment（marked EEx）should be usedC Avoid breathing petroleum gases，especially if they come from sour crude（smell of rotten eggs）D so far as possible，take early and substantial action to keep well clear” 相关考题
考题
If you ______ my advice, you wouldn’t be in such trouble now.A. tookB. takesC. has takenD. had taken
考题
When could the risk of asbestos disappeared according to the passage?A) When we adopt the researchers' advice.B) When we don't use asbestos.C) For many years from now, it will not disappear.D) The council have already find ways to prevent the risk.
考题
It should be observed ______ the master is not bound to show both the number of packages and the weight．A.thatB.whichC.whereD.when
考题
A vessel is "in sight" of another vessel when ______.A.she can be observed by radarB.she can be observed visually from the other vesselC.she can be plotted on radar well enough to determine her headingD.her fog signal can be heard
考题
The tanks should then be ______ immediately after the measurements or cargo samples have been taken．A.topped upB.bracedC.tommed downD.re-pressurized
考题
An on-load release system on a survival craft means the cable can be released ______.A.only when the load is taken off the cableB.only when there is a load on the cableC.only when activated by the controls at the lowering stationD.at any time
考题
When the derrick is stopped, the guy must be （）(收好).A、taken inB、slacked offC、adjustedD、stowed
考题
When the derrick is topped, the guys must be （）.A、slacked offB、send awayC、taken inD、send out
考题
The consignment certainly does not match the samples（）you sent us last month.A、theseB、-C、whatD、when
考题
In which three cases does a checkpoint occur？ （）A、Every three minutes.B、When a log switch occurs.C、When forces by an administrator.D、When a tablespace is taken offline normal.E、When the redo buffer is one-third full.
考题
单选题An amplitude of the Sun in high latitudes（）.A
is most accurate before sunriseB
is most accurate after sunsetC
should only be observed when the Sun's lower limb is above the horizonD
is most accurate when the Sun's center is observed on the visible horizon
考题
单选题0il product samples should be taken from the（）.A
dock riserB
ships cargo tanksC
shore tank dischargeD
All of the above
考题
单选题At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）A
The bottom samples and fathometer reading prove the loran fix is reliableB
The bottom samples and fathometer readings indicate that the loran fix is unreliableC
The information collected indicates that the fathometer may be in errorD
The information collected indicates that the chart is most likely in error
考题
单选题Vessels shall be deemed to be in sight of one another only when one（）from the other.A
can be observed visuallyB
can be observed by radarC
can be located on the radarD
can be heard
考题
单选题A vessel is in sight of another vessel when she（）.A
can be observed by radarB
has determined that risk of collision existsC
is sounding a fog signal which can be heard on the other vesselD
can be observed visually from the other vessel
考题
单选题When many American parents don’t know how to deal with their children they seek advice from the following EXCEPT_____.A
neighborsB
parent training coursesC
booksD
lectures
考题
单选题If you ______ my advice，you ______ your failure now. You ______ your victory.A
took...wouldn’t cry over...would celebrateB
had taken...wouldn’t have cried over...would have celebratedC
had taken...aren’t crying over...are celebratingD
had taken...wouldn’t be crying over...would be celebrating
考题
单选题When discharging bilge water, which criteria must be observed?（）A
The requirement for the oil content of bilge water discharged is 15 ppmB
No discharge in sensitive watersC
Any discharge in sensitive watersD
International, national or local requirements have to be observed
考题
单选题A vessel is “in sight” of another vessel when（）.A
she can be observed by radarB
she can be observed visually from the other vesselC
she can be plotted on radar well enough to determine her headingD
her fog signal can be heard
考题
单选题An on-load release system on a survival craft means the cable can be released（）.A
only when the load is taken off the cableB
only when there is a load on the cableC
only when activated by the controls at the lowering stationD
at any time
考题
单选题Oil product samples should be taken from the（）.A
dock riserB
ship's cargo tanksC
shore tank dischargeD
All of the above
考题
单选题When summer comes and the light-colored people go to the beaches, ______.A
all of them will tan darklyB
few of them will tan -darklyC
many of them will not tan at allD
few of them will not tan at all
考题
单选题When many American parents don’t know how to deal with their children they seek advice from the following EXCEPT _____.A
neighborsB
parent training coursesC
booksD
lectures
热门标签
最新试卷