What does the letter B on B 1 fire extinguisher indicate?
Answer: The letter “b” indicates it is effective against flammable liquid fires. Step-by-step explanation: The letters on fire extinguishers represents the class of fire for which they can be used.
What is a Type B fire extinguisher?
Class B. Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
Where are fuel vapors most likely to gather?
Evaporating gasoline creates vapors or fumes that are heavier than air. These fumes settle to the bottom of the boat where they could explode if enclosed areas, such as the bilge, are not ventilated properly to remove fumes.
What do visible white and green lights indicate?
Powerboat A: When white, red and green lights are visible, you are approaching a powerboat head-on. Give way to your starboard side. Give way to your starboard side. Sailboat B: When white and green lights are visible, you are approaching the starboard side of a powerboat.
What should you do if you see a green and white light?
When you are in a power-driven pleasure craft and you see a red, a green, and a white light, you are approaching another power-driven vessel head-on and both vessels must give way.
What does a white light mean at night?
If you see a white light on its own it indicates that you DO NOT have the right-of-way. The white light will be identifying one of the following three things: 1) You are approaching another craft from behind. If only a white light is visible, you may be approaching another craft from behind.
Which side do you pass an oncoming boat?
You must take early and substantial action to keep well clear of the other boat by altering your speed and course. You should pass at a safe distance to the port (left) or starboard (right) side of the other boat. If a safe route exists, you should always attempt to pass the boat on the starboard side.
What side do you pass a red buoy?
The expression “red right returning” has long been used by seafarers as a reminder that the red buoys are kept to the starboard (right) side when proceeding from the open sea into port (upstream). Likewise, green buoys are kept to the port (left) side (see chart below).
What is the most important passing rule?
In general, motorists should only entertain passing if they are traveling at least 10 mph faster than the car they wish to pass. Even then, waiting for a safe opportunity is essential. Remember that most situations require passing on the left-hand side of the vehicle in front.
What side of the channel markers do you stay on?
Keep this marker on your right (starboard) side when proceeding in the upstream (returning from sea) direction. Even numbers will be displayed and will increase as you head upstream.
How do you know if you are going upstream or downstream?
Downstream means towards where the flow ends, at the opposite end of the waterway from the source. If you are boating from Kingston to Toronto, for example, you are heading upstream. If you are going from Kingston to Cornwall, you are travelling downstream.
Which marker indicates safe water?
Safe water markers have red vertical stripes set against a white color background. They signify that there is safe water on all sides which is unobstructed. These red and white markers show mid-channels of fairways, being passable on all sides. These red and white color markers are known as safe water markers.