Each part of the fire-main system located on an exposed deck must be().
- Aprotected against freezing
- Blocked to prevent theft
- Cnumbered sequentially
- Dpressurized at all time
Each part of the fire-main system located on an exposed deck must be().
1、On the day of the accident, part of th
On the day of the accident, part of the old road ______.A was damagedB was broadened to make traffic easierC was under repairD was closed to cars
2、Each hose in the fuel transfer system
Each hose in the fuel transfer system for helicopter refueling must meet the standards of the().AFederal Aviation AdministrationBCorps of EngineersCNational Fire Protection AssociationDNational Transportation Safety Board
3、Paraphrase each of the following sent
Paraphrase each of the following sentences in two different ways to show the syntactic rules account for the ambiguity of sentences.(1)The shoot...
4、A cutoff valve in the fire-main system
A cutoff valve in the fire-main system of a ship may be closed to protect the portion of the system on an exposed deck from().Adamage from crane operationsBbeing used for wash down purposesCaccidental diversion of flow to wrong locationDfreezing
5、The main purpose of warming the parts
The main purpose of warming the parts of the main engine is ()Ato reduce heat stressBto reduce low temperature corrosionCto improve firing and starting performanceDfuel saving
6、All of the following are part of the f
All of the following are part of the fire triangle except().AelectricityBfuleCoxygenDheat