海船船员考试
单选题If,during helicopter refueling operations,fuel is spilled on clothing,the person should first（）.A see the medic immediatelyB spray hinself with foam or COC complete his task and then see medicD remove the clothing and wash
题目
see the medic immediately
spray hinself with foam or CO
complete his task and then see medic
remove the clothing and wash
相似问题和答案
第1题：
The primary danger in helicopter fires is ______.
A.burning jet fuel running on to quarters or other areas
B.loss of stability
C.rotating and flying debris
D.heat damage to helicopter structure
第2题：
Heavy fuel oils when spilled are ______.
A.more harmful to sea life than lighter oils
B.easier to clean up than lighter refined oils
C.less harmful to sea life than lighter oils
D.not a real threat to marine life
泄露的重燃料油对海洋生物的危害小于轻油。
第3题：
View the Exhibit for some of the parameter settings. You start a session and issue the following command:SQL>CREATE INDEX emp_ename ON emp(ename) TABLESPACE users INVISIBLE;What is the outcome of the above command?（）
A. The index is not used by the optimizer but is maintained during DML operations.
B. The index is not used by the optimizer and is not maintained during DML operations.
C. The index is used by the optimizer only if a hint is specified in the query statement and is maintained during DML operations.
D. The index is used by the optimizer only if a hint is specified in the query statement but is not maintained during DML operations.
第4题：
DANGER - KEEP AWAY
DANGER - EXPLOSIVE VAPORS
DANGER - NO SMOKING
DANGER - FLAMMABLE LIQUID
第5题：
Which statements are true regarding table compression？（）
- A、 It saves disk space and reduces memory usage.
- B、 It saves disk space but has no effect on memory usage.
- C、 It incurs extra CPU overhead during DML as well as direct loading operations.
- D、 It incurs extra CPU overhead during DML but not direct loading operations.
- E、 It requires uncompress operation during I/O.
正确答案:A,C
第6题：
Which safety precaution（s）should be observed during crane operations ________．
A.Checking for proper lifting from beneath the load during cargo operations
B.Using the proper slings or other lifting devices during cargo operations
C.Relaying communications to port agents on the pier during cargo hoists
D.All of the above
第7题：
If , during helicopter refueling operations, fuel is spilled on clothing, the person should first_____.
A.see the medic immediately
B.spray himself with foam or CO2
C.complete his task and then see the medic
D.remove the clothing and wash
在直升机加油操作中，如果有燃油溢出在衣服上，则应首先把衣服脱掉并清洗。
第8题：
The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?
A.No fuel will be delivered
B.The maximum effective stroke will be attained
C.The fuel delivered to the cylinder will be excessive
D.The injection nozzle will overheat and carbonize
第9题：
proceed with fueling operation
have helicopter move to a safer location
wash spilled fuel away with a flood of water
clean spilled fuel with rags
第10题：
static grounding device
quick-disconnect nozzle
splash guard
vapor recovery system