Which of the listed classes of fire is considered as one involving electrical equipment?()
- AClass "A"
- BClass "B"
- CClass "C"
- DClass "D"
Which of the listed classes of fire is considered as one involving electrical equipment?()
1、Which of the circumstances listed is a
Which of the circumstances listed is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?()AThe garbage to be disch...
2、Which of the materials listed is used
Which of the materials listed is used as the dynamic seal material on mechanical seals installed on most centrifugal pumps used in water service?()ACopperBCopper and carbonCCarbonDBronze
3、Which of the substances listed is sati
Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?()AImpuritiesBLube oilCGasolineDDiesel fuel
4、The class of fire on which a blanketin
The class of fire on which a blanketing effect is essential to extinguish the fire is ().Aclass ABclass BCclass CDclass D
5、Which of the substances listed is sati
Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?()ACarbon particlesBLube oilCGasolineDDiesel fuel
6、Which of the listed types of files is
Which of the listed types of files is the best for producing a fine finish on metal?()AMillBFloatCWardingDSecond cut