Level 1 MLT MLA Practice Exam

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Level 1 MLT & MLA Practice Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

What is the primary function of a gearbox in machinery?

• To cool down the engine

✔✔B. To transmit power and adjust speed or torque

• To store lubrication oil
• To filter contaminants from hydraulic fluid

What is the purpose of a vibration analysis in machinery maintenance?

• To check oil viscosity
• To measure electrical resistance

✔✔C. To detect imbalances, misalignments, or bearing issues

• To adjust hydraulic pressure

Which component is responsible for reducing friction between moving parts?

• Coupling

✔✔B. Bearing 1 / 4

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• Sprocket
• Pulley

What is the main advantage of using a belt drive over a chain drive?✔✔A. Quieter operation and reduced maintenance

• Increased rigidity and load capacity
• More efficient at transmitting high torque
• Less risk of slipping

Why is proper lubrication important in mechanical systems?

• To prevent air contamination
• To increase electrical conductivity

✔✔C. To reduce friction and wear between moving parts

• To strengthen metal components

What does a misaligned shaft in rotating equipment typically cause?

• Increased electrical consumption

✔✔B. Excessive vibration and premature wear 2 / 4

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• Reduction in temperature
• Decreased oil consumption

What is the primary function of a coupling in machinery?✔✔A. To connect two rotating shafts and transmit power

• To reduce vibration in electrical systems
• To regulate pressure in hydraulic systems
• To store excess torque

Why are precision alignment tools used in machinery installation?

• To tighten bolts accurately

✔✔B. To ensure shafts and components are properly aligned

• To check lubrication levels
• To measure belt tension

What can happen if a machine’s bearings are over-lubricated?

• The machine operates more efficiently

✔✔B. Bearings may overheat and fail prematurely 3 / 4

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• The machine speeds up
• Shaft misalignment is corrected

What is the purpose of a hydraulic system in industrial machinery?

• To regulate electrical flow

✔✔B. To transmit force using pressurized fluid

• To cool down motor components
• To store mechanical energy

Which factor most affects the lifespan of a rolling bearing?✔✔A. Proper lubrication and maintenance

• The number of rotations per minute
• The material of the bearing housing
• The temperature of the surrounding environment

What type of drive system is best suited for high-speed, low-torque applications?✔✔A. Belt drive

• Chain drive
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