更多"A salinity indicator is used to det"的相关试题:
[单项选择]A salinity indicator is used to determine the （）.
A. cause of salt contamination
B. location of salt water contamination
C. chemical makeup of feed-water
D. level of alkalinity in condensate
[单项选择]An oxygen indicator can be used to determine if there is（）.
A. sufficient oxygen in a compartment to support life
B. combustible gases present
C. hydrogen gases present
D. All of the above
[单项选择]A combustible gas indicator is used to determine （）.
A. if there is sufficient oxygen to support life
B. the toxicity of flammable gases or vapors
C. the amount of CO2 present in flue gas
D. the presence of flammable gases or vapors in the air
[单项选择]GM cannot be used as an indicator of stability at all angles of inclination because（）.
A. M is not fixed at large angle
B. there is no M at large angles
C. G is not fixed at large angles
D. there is no G at large angles
[单项选择]What is used as an indicator of initial stability? （）
A. GM
B. KG
C. KM
D. GZ
[单项选择]Which procedure(s) shall be used to determine risk of collision? （）
A. Watching the compass bearing of an approaching vessel
B. Systematic observation of objects detected by radar
C. Long-range radar scanning
D. All of the above
[单项选择]Litmus paste is used in order to determine（）.
A. innage
B. thievage
C. ullage
D. the tank's datum point
[多项选择]使用gprs indicator caculator可以（）
A. TBF建立和释放情况
B. 数据流量统计
C. 小区GPRS拥塞统计
D. GPRS指标历史趋势统计
[单项选择]A combination combustible gas and oxygen indicator is an instrument that measures the（） of both combustible gas and oxygen; each is indicated on a separate meter.
A. purifies
B. combinations
C. concentrations
D. filters
[名词解释]土壤指示植物 indicator plant of soil
[单项选择]A combustible gas indicator meter is calibrated to read the percentage of（）.
A. vapor to oxygen
B. the flammable limit concentration
C. the autoignition concentration
D. the lower explosive limit concentration
[单项选择]An oxygen indicator will detect （）.
A. concentrations of explosive gas
B. an oxygen deficiency in a space
C. the presence of harmful amounts of carbon monoxide
D. All of the above
[多项选择]gprs indicator caculator软件完成功能包括（）
A. 信令跟踪和分析
B. GPRScounter提取和计算
C. 按小区分析GPRS指标
D. 统计PDP激活成功情况
[单项选择]A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flowThis means （）.
A. the system is fully charged
B. there is air leaking in from the condenser
C. ice crystals are forming in the refrigerant
D. the system contains less than a full charge of refrigerant
