SHIP ENGINE ROOM TOOLS

What is the purpose of a micrometer in the engine room?

• To adjust engine timing.

• To measure small dimensions with high precision.

• To measure fuel efficiency.

• To lubricate engine components.

Answer explanation

A micrometer is a precision measuring tool used to measure small dimensions accurately, making it essential in the engine room for tasks requiring high precision, such as checking tolerances and clearances.

Identify a tool used for measuring the temperature of engine components.

• Infrared thermometer

• Multimeter

• Pressure gauge

• Thermocouple

Answer explanation

An infrared thermometer is used to measure the temperature of engine components without direct contact, making it ideal for quick and accurate readings. Other options like multimeters and pressure gauges serve different purposes.

Explain the function of a torque wrench in engine maintenance.

• A torque wrench measures the temperature of engine components.

• A torque wrench tightens fasteners without a specific measurement.

• A torque wrench applies a specific amount of torque to fasteners in engine maintenance.

• A torque wrench is used to lubricate engine parts.

Answer explanation

A torque wrench is essential in engine maintenance as it applies a specific amount of torque to fasteners, ensuring they are tightened to the manufacturer's specifications, which is crucial for engine performance and safety.

What tool is commonly used for cutting metal pipes in the engine room?

• Pipe cutter

• Hacksaw

• Wrench

• Pliers

Answer explanation

A pipe cutter is specifically designed for cutting metal pipes cleanly and efficiently, making it the best tool for this task in the engine room. A hacksaw can also cut pipes but is less precise and more labor-intensive.

Describe the use of a caliper in engine room operations.

• A caliper is used to lubricate engine parts during maintenance.

• A caliper is used to measure fuel efficiency in engines.

• A caliper is primarily used for cleaning engine components.

• A caliper is used to measure the dimensions and tolerances of engine components in engine room operations.

Answer explanation

A caliper is essential in engine room operations for accurately measuring the dimensions and tolerances of engine components, ensuring proper fit and function during assembly and maintenance.

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

• To increase fluid pressure in marine systems.

• To filter impurities from marine fluids.

• To measure and monitor fluid pressure in marine systems.

• To cool down marine engines during operation.

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 by providing real-time pressure readings.

Identify a tool that is essential for tightening bolts in the engine room.

• Screwdriver

• Pliers

• Hammer

• Wrench

Answer explanation

A wrench is essential for tightening bolts in the engine room because it provides the necessary leverage and grip to turn the bolts securely. Other tools like screwdrivers and pliers are not designed for this specific task.

Explain how a multimeter is used in engine diagnostics.

• A multimeter is primarily for checking tire pressure.

• A multimeter is used to measure fuel pressure in the engine.

• A multimeter measures voltage, current, and resistance to diagnose electrical issues in the engine.

• A multimeter can only test the engine's temperature.

Answer explanation

A multimeter is essential for diagnosing electrical issues in an engine as it measures voltage, current, and resistance, helping to identify faults in the electrical system, unlike the other options which are incorrect.

What tool would you use to check the alignment of engine components?

• Torque wrench

• Odometer

• Dial indicator

• Multimeter

Answer explanation

A dial indicator is used to measure small distances and check the alignment of engine components accurately. It provides precise readings, making it the ideal tool for this purpose, unlike the other options.

Describe the purpose of a hydraulic jack in engine room maintenance.

• To provide hydraulic fluid for engine cooling.

• To store spare parts for machinery maintenance.

• To measure engine temperature during operation.

• The purpose of a hydraulic jack in engine room maintenance is to lift heavy machinery safely for maintenance tasks.

Answer explanation

The correct choice highlights that a hydraulic jack is essential for safely lifting heavy machinery during maintenance tasks in the engine room, ensuring worker safety and facilitating access to equipment.