Which method is used to detect rot in manila lines?（）
1、What protection method is used in 4F B
What protection method is used in 4F BLSR networks?（）A Each fiber has half of its SONET capacity reserved for protection.B Two fibers in the...
2、Which instrument is used to predict th
Which instrument is used to predict the approach of a low pressure system（）.AAnemometerBFathometerCBarometerDThermometer
3、Which method is used to supply inert g
Which method is used to supply inert gas from a flue gas system to the cargo tanks?（）AExhaust gas pressure from the stackBHigh capacity fanCInert gas compressorDNatural aspiratio
4、Which of the following methods is used
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）AHolding the va...
5、In order to detect rot in manila lines
In order to detect rot in manila lines，you should（）.Afeel the surface of the line for broken fibersBmeasure the reduction in circumference of the lineCobserve any mildew on the outer surfaceDopen the strands and examine the inner fiber
6、Which instrument is most useful in for
Which instrument is most useful in forecasting fog（）.AA barometerBAn anemometerCA sling psychrometerDA pyrometer