MAINTENANCE TOOLS

What is the primary function of a wrench in ship maintenance?

• To check the fuel levels.

• To measure the length of ropes.

• To tighten or loosen nuts and bolts.

• To paint the ship's exterior.

Answer explanation

The primary function of a wrench in ship maintenance is to tighten or loosen nuts and bolts, which is essential for securing various components and ensuring the ship's operational integrity.

The ____ is used to measure electrical current.

Answer explanation

The multimeter is a versatile tool used to measure electrical current, voltage, and resistance. It is essential for diagnosing electrical issues and is commonly used in various electrical applications.

Identify a tool used for tightening screws.

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Answer explanation

A screwdriver is specifically designed for tightening and loosening screws, making it the correct tool for this task. The other options, like hammers and pliers, serve different purposes.

Explain when to use a screwdriver versus a wrench in maintenance tasks.

• Use a wrench for screws and nails.

• Use a screwdriver for nuts and bolts.

• Use a screwdriver for screws and a wrench for nuts and bolts.

• Use a screwdriver for all types of fasteners.

Answer explanation

A screwdriver is specifically designed for screws, while a wrench is used for nuts and bolts. Using the correct tool ensures efficiency and prevents damage to the fasteners.

A drill is used to make holes in metal surfaces.

• TRUE

• FALSE

Answer explanation

A drill is specifically designed to create holes in various materials, including metal surfaces. Therefore, the statement is TRUE.

What is the purpose of a torque wrench in maintenance?

• To loosen rusted bolts during repairs.

• To check the temperature of engine components.

• To measure the length of fasteners.

• To ensure fasteners are tightened to the correct torque specifications.

Which tool is commonly used to remove rust from metal parts?

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Match each tool to its primary use.

• Driving nails

• Wrench

• Gripping objects

• Screwdriver

• Making holes

• Drill

• Turning screws

• Hammer

• Tightening bolts

• Pliers

What is the function of a pressure gauge in marine engineering?

• To control the temperature of marine engines.

• To measure and monitor fluid pressure in marine systems.

• To filter impurities from marine fluids.

• To increase fluid pressure in marine systems.

Answer explanation

The correct choice is to measure and monitor fluid pressure in marine systems. Pressure gauges are essential for ensuring safe and efficient operation of marine equipment by providing real-time pressure readings.

Categorize the following tools based on their primary functions in ship engine maintenance.

Groups:

(a) Measuring tools

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(b) Cleaning tools

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(c) Repair tools

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(d) Lifting tools

• screwdriver
• wrench
• micrometer

• hoist

• winch

• pressure gauge

• wire brush

• rags and wipes