PCOC Vehicle Systems and Operations 2

Question 1

What does a boat's trim refer to?

Accepted Answer

The angle of the vessel bow-to-stern relative to the waterline

Answer

The speed at which the engine idles

Answer

The distance between the hull and the keel

Answer

The rate at which the bilge pump removes water

Question 2

Which of the following best describes a planing hull?

Accepted Answer

A hull that rises and skims on top of the water at higher speeds

Answer

A hull that always displaces its own weight in water

Answer

A hull designed exclusively for sailing vessels

Answer

A flat-bottomed hull that sinks when loaded

Question 3

What is the primary purpose of a boat's keel?

Accepted Answer

To provide lateral stability and prevent sideways drift

Answer

To increase engine horsepower output

Answer

To reduce the vessel's overall weight

Answer

To improve the bilge pump's efficiency

Question 4

On an outboard motor, the water pump impeller is responsible for:

Accepted Answer

Circulating cooling water through the engine

Answer

Pumping fuel from the tank to the carburetor

Answer

Regulating oil pressure in the lower unit

Answer

Controlling the throttle response

Question 5

What does the term 'dead in the water' mean when applied to a vessel?

Accepted Answer

The boat has no propulsive power and is not moving

Answer

The engine is idling but the boat is anchored

Answer

The vessel is traveling at minimum steerage speed

Answer

The boat is moored at a dock with engine off

Question 6

Which fuel system component prevents fuel vapors from accumulating in the bilge?

Accepted Answer

The engine compartment blower or ventilation system

Answer

The carburetor float bowl

Answer

The fuel primer bulb

Answer

The fuel tank vent cap

Question 7

A boat's displacement refers to:

Accepted Answer

The weight of water pushed aside by the hull, equal to the vessel's weight

Answer

The distance the boat travels between shifts of the gearbox

Answer

The volume of the fuel tanks in liters

Answer

The speed loss when traveling against a current