In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.

A．secure all sources of fresh air to the tank

B．begin transferring the fuel to other tanks

C．top off the tank to force out all vapors

D．station someone at the fixed CO2 release controls

[单选题]Fighting a fire in the galley poses the additional threat of（）.A . contaminating food with extinguishing agentB . spreading through the engineering spaceC . loss of stabilityD . a grease fire in the ventilation system

[名词解释] Fuel tank capacity油箱容积

[单选题]Before being used the fuel service tank should be drained of （）.A . soda solutionB . mechanical impuritiesC . ballastD . water and residual

[单选题]B．efore entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an ____.A．Orsat apparatusB．flame safety lampC．Halide torchD．combustible gas indicator

[单选题]Once a scavenge fire is detected, fuel should be shut off from the affected cylinders and cylinder lubrication increased （） the risk of seizure.A . to protectB . to guardC . to maximizeD . to minimize

[单选题]The installation and prevision of fire fighting equipment is mainly subject toA．ISM CodeB．ISPS CodeC．IBC CodeD．FSS Code

[单选题]The installation and provision of fire fighting equipment is mainly subject to ___.A．ISM codeB．ISPS codeC．IBC codeD．FSS code

[单选题]F．ire dampers prevent the fire spreading through the process ofA．convectionB．conductionC．radiationD．direct contact

[单选题]Fuel injection systems meter fuel, atomize fuel, and （）.A . create turbulence in the combustion chamberB . aid in completing cylinder scavengingC . inject fuel at the proper timeD . minimize fuel penetration into the cylinder

[单选题]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.A . ensure penetration and distribution of the fuel in the combustion chamberB . ensure the needle valve is flushed clean during each injectionC . prevent combust