Bow Thruster Effectiveness Quiz

Bow Thruster Effectiveness Quiz

University

25 Qs

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Bow Thruster Effectiveness Quiz

Bow Thruster Effectiveness Quiz

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

John Ayroso

Used 13+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor most significantly reduces bow thruster effectiveness during forward motion?

Rudder resistance

Increased lateral drift

Pressure field at the bow

Hull deformation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When backing a ship in a narrow channel, what best ensures positional control of the bow?

Kick ahead with hard rudder

Apply full port rudder

Use bow thruster aggressively

Shift pivot point forward

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the rudder become more effective than the bow thruster above 4 knots?

Thruster output increases

Lateral water pressure decreases

Thruster loses turning moment

Rudder benefits from water flow

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In lateral movement using astern power, which condition most often causes unexpected port drift?

Full rudder to starboard

Excessive astern thrust

Bow thruster imbalance

Combined thrust and transverse force

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes a vessel to continue drifting after the thruster is stopped?

Shallow water effect

Kinetic energy

List angle

Propeller cavitation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which maneuver is least affected by transverse thrust?

Kicking ahead with rudder

Stopping test

Thruster-only lateral shift

Astern power with bow thruster

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are older bow thrusters more prone to failure?

Hull stress

High RPM

Obsolete components

Low maintenance cost

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