海船船员考试
单选题What is the principal danger from the liquid in a half full tank onboard a vessel?（）A Corrosion from the shifting liquidB Rupturing of bulkheads from the shifting liquidC Loss of stability from free surface effectD Holing of the tank bottom from the we
题目
Corrosion from the shifting liquid
Rupturing of bulkheads from the shifting liquid
Loss of stability from free surface effect
Holing of the tank bottom from the weight of the shifting liquid
相似问题和答案
第1题：
A where ;
B what ;
C why
第2题：
What is the principal function of a financial system? ______.
A．Production and distribution of goods and services
B．Providing a means of payment and facilitating the saving and investment process
C．Directing the flow of goods and services from producer to consumer
D．None of the above
解析：本题针对的是金融体系的主要功能，应该选B项，其他选项的含义都不属于这一类。
第3题：
You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
A．Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point link
B．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
C．Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
D．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal
E．None of the above
第4题：
What are the differences between full-duplex Ethernet and half-duplex Ethernet?（）
- A、Half-duplex Ethernet operates in a shared collision domain.
- B、Full-duplex Ethernet has a lower effective throughput.
- C、Half-duplex Ethernet operates in a private collision domain.
- D、Full-duplex Ethernet allows two-way communication.
- E、Half-duplex Ethernet operates in a private broadcast domain.
正确答案:A,D
第5题：
The order“______” means “Maximum maneuvering engine revolution for ahead propulsion.”
A.Full Ahead
B.Half Ahead
C.Full Astern
D.Half Astern
第6题：
单句理解
听力原文：For one full year when the full principal plus interest is paid together, compound interest and simple interest yield the same dollar amount.
(1)
A．If the time period of the loan is one year, the simple interest and compound interest are the same.
B．If the time period of the loan is the same, the simple interest and compound interest are the same.
C．When the full principal plus interest is paid together, compound interest and simple interest are of the same dollar amount.
D．When the full principal plus interest is paid together, compound interest and simple interest are not of the same dollar amount.
解析：单句意思为“当本金和利息整整一年才一起支付时，复利计息和单利计息的数额一样”。
第7题：
A.collisions on the full-duplex side; runts on the half-duplex side
B.collisions on the full-duplex side; collisions on the half-duplex side
C.collisions on the half-duplex side; framing errors on the full-duplex side
D.collisions on the half-duplex side; giants on the full-duplex side
第8题：
The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
B．Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link
C．Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
D．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal
E．None of the above
第9题：
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。
- A、This is a 10 Mb/s switch port
- B、This is a 100 Mb/s switch port
- C、This is an Ethernet port operating at half duplex
- D、This is an Ethernet port operating at full duplex
- E、This is a port on a network interface card in a PC
正确答案:C
第10题：
Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?（）
- A、Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
- B、Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
- C、Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
- D、Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.
正确答案:C