1. [单选题]Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?
A. Radiation
B. Conduction
C. Natural convection
D. contact directly
2. [单选题]The expansion valve used in a refrigeration system regulates the
A. superheat of the gas leaving the compressor
B. back pressure in the evaporator
C. temperature in the refrigerated space
D. degree of superheat of the gas leaving the evaporator
3. [单选题]When anchoring in unsheltered anchorage, chief engineer should consult with captain ____.
A. if the ship must be stand by
B. if take bunkering
C. if keep-watching as in voyage
D. if the ship must anchor two anchors
4. [单选题]A fire in a pile of dunnage would be classified as a _____.
A. class A
B. class B
C. class C
D. class D
5. [单选题]救生艇规定配备镇浪油，以下何种不是镇浪油：
A. 植物油
B. 鱼油
C. 柴油
6. [单选题]公司应当建立有关程序，对与安全管理体系有关的所有文件和资料进行控制。公司应当保证____。I.在所有相关场所均能够获得有效的文件II.文件的更改应由经授权的人审查批准III.被废止的文件应及时清除
A. I+II+III
B. I+III
C. II+III
D. I+II
7. [单选题]船舶在什么情况下应安排足够的了望人员？I、狭水道航行；II、进出港口；III、通航密度很大的水域航行时；IV、白天大洋航行时
A. I、II、III、IV
B. I、II、III
C. I、II、IV
D. II、III、IV
8. [单选题]直航船应包括________。
A. 帆船条款中规定的直航船
B. 追越条款中的被追越船
C. 船舶之间的责任条款中规定的直航船
D. 以上均应包括
9. [单选题]救生艇的长度不能超过多少米？
A. 8.5米
B. 7.5米
C. 6.5米
10. [单选题]船舶对垫舱、扫舱和各种固体垃圾，应由()进行倾倒。
A. 码头工人(longshoreman)
B. 港监部门
C. 港口船舶服务部门
D. 以上都可以
