海船船员考试
单选题An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.A viscosityB twisting momentsC inertiaD thermal expansion
题目
viscosity
twisting moments
inertia
thermal expansion
相似问题和答案
第1题：
The lower section of a piston is called the ______.
A.land
B.crown
C.skirt
D.plate
第2题：
舷梯有点儿高，我们应该降低舷梯。（）
- A、The gangway is a little higher，we should lower it.
- B、The gangway is a little higher, we should low it.
- C、The pilot ladder is a little higher，we should lower it.
- D、The pilot ladder is a little higher, we should low it.
正确答案:A
第3题：
A. Router R2 will be preferred because it has the higher neighbor IP address.
B. Router R2 will be preferr ed because its neighbor has a lower autonomous system number.
C. Router R1 will be preferred because it has a lower local preference.
D. Router R2 will be preferred because it has a higher local preference.
E. Router R1 will be preferred because its nei ghbor has the higher autonomous system number.
F. Router R1 will be preferred because it has the lower neighbor IP address.
第4题：
land
skirt
crown
plate
第5题：
Which of the following is a benefit of NAS over SAN?（）
- A、Higher data integrity
- B、Lower cost of implementation
- C、Higher redundancy
- D、Increased performance
正确答案:B
第6题：
If the current and wind are in the same direction，the sea surface represents a wind speed ______.
A.lower than actually exists
B.higher than actually exists
C.that actually exists
D.that has no proportional relationship
第7题：
What is an advantage of an externally modulated laser over a directly modulated laser?（）
- A、lower cost
- B、higher chirp
- C、easier to manufacture
- D、higher dispersion tolerance
- E、higher optical signal-to-noise ratio
正确答案:D
第8题：
A. Dev - 1 is the DR because it has a lower OSPF router ID
B. Dev - 3 is the DR because it has a higher OSPF router priority
C. Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority
D. Dev - 3 is the DR because it has a lower OSPF router ID
E. Dev - 1 is the DR because it has a higher OSPF router priority
第9题：
higher
lower
the same
none of the above
第10题：
The lower；the worse
The higher；the better
The lower；the better
The highest；the worst