Water is a very effective fire extinguishing agent because it()
- Awill remove all the toxic fumes from the air
- Bhas the greatest cooling ability
- Cwill leave no harmful residue
- Dcompletely removes combustible vapors from the air
Water is a very effective fire extinguishing agent because it()
1、An example of class "A" fire is a/an (
An example of class "A" fire is a/an ().Aelectrical fire in the engine roomBoil fire in the engine room bilgesCoil fire involving a grade "A" petroleum productDmattress fire in a stateroom
2、A free press is considered very import
A free press is considered very important to the functioning of parliamentary democracy because().Ait plays a watchdog function,keeping an eye ...
A customer is very concerned about maintaining a competitive advantage through the use ...
4、A vessel is proceeding from a very col
A vessel is proceeding from a very cold climate to a warm climate.With a cargo of non-hygroscopic nature,which of the following is correct?(...
5、A large oil fire is best extinguished
A large oil fire is best extinguished with()Asoda acidBfoamCCO2Dsand
6、When a boiler is operating, the water
When a boiler is operating, the water level in the gauge glass reads () when the boiler is shut down.Alower thanBhigher thanCas much asDthe same a