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?
A. To cool down the engine
✔✔B. To transmit power and adjust speed or torque
C. To store lubrication oil
D. To filter contaminants from hydraulic fluid
What is the purpose of a vibration analysis in machinery maintenance?
A. To check oil viscosity
B. To measure electrical resistance
✔✔C. To detect imbalances, misalignments, or bearing issues
D. To adjust hydraulic pressure
Which component is responsible for reducing friction between moving parts?
A. Coupling
✔✔B. Bearing
1
,C. Sprocket
D. Pulley
What is the main advantage of using a belt drive over a chain drive?
✔✔A. Quieter operation and reduced maintenance
B. Increased rigidity and load capacity
C. More efficient at transmitting high torque
D. Less risk of slipping
Why is proper lubrication important in mechanical systems?
A. To prevent air contamination
B. To increase electrical conductivity
✔✔C. To reduce friction and wear between moving parts
D. To strengthen metal components
What does a misaligned shaft in rotating equipment typically cause?
A. Increased electrical consumption
✔✔B. Excessive vibration and premature wear
2
,C. Reduction in temperature
D. Decreased oil consumption
What is the primary function of a coupling in machinery?
✔✔A. To connect two rotating shafts and transmit power
B. To reduce vibration in electrical systems
C. To regulate pressure in hydraulic systems
D. To store excess torque
Why are precision alignment tools used in machinery installation?
A. To tighten bolts accurately
✔✔B. To ensure shafts and components are properly aligned
C. To check lubrication levels
D. To measure belt tension
What can happen if a machine’s bearings are over-lubricated?
A. The machine operates more efficiently
✔✔B. Bearings may overheat and fail prematurely
3
, C. The machine speeds up
D. Shaft misalignment is corrected
What is the purpose of a hydraulic system in industrial machinery?
A. To regulate electrical flow
✔✔B. To transmit force using pressurized fluid
C. To cool down motor components
D. To store mechanical energy
Which factor most affects the lifespan of a rolling bearing?
✔✔A. Proper lubrication and maintenance
B. The number of rotations per minute
C. The material of the bearing housing
D. The temperature of the surrounding environment
What type of drive system is best suited for high-speed, low-torque applications?
✔✔A. Belt drive
B. Chain drive
4
Questions and Answers | Latest Version
| 2025/2026 | Correct & Verified
What is the primary function of a gearbox in machinery?
A. To cool down the engine
✔✔B. To transmit power and adjust speed or torque
C. To store lubrication oil
D. To filter contaminants from hydraulic fluid
What is the purpose of a vibration analysis in machinery maintenance?
A. To check oil viscosity
B. To measure electrical resistance
✔✔C. To detect imbalances, misalignments, or bearing issues
D. To adjust hydraulic pressure
Which component is responsible for reducing friction between moving parts?
A. Coupling
✔✔B. Bearing
1
,C. Sprocket
D. Pulley
What is the main advantage of using a belt drive over a chain drive?
✔✔A. Quieter operation and reduced maintenance
B. Increased rigidity and load capacity
C. More efficient at transmitting high torque
D. Less risk of slipping
Why is proper lubrication important in mechanical systems?
A. To prevent air contamination
B. To increase electrical conductivity
✔✔C. To reduce friction and wear between moving parts
D. To strengthen metal components
What does a misaligned shaft in rotating equipment typically cause?
A. Increased electrical consumption
✔✔B. Excessive vibration and premature wear
2
,C. Reduction in temperature
D. Decreased oil consumption
What is the primary function of a coupling in machinery?
✔✔A. To connect two rotating shafts and transmit power
B. To reduce vibration in electrical systems
C. To regulate pressure in hydraulic systems
D. To store excess torque
Why are precision alignment tools used in machinery installation?
A. To tighten bolts accurately
✔✔B. To ensure shafts and components are properly aligned
C. To check lubrication levels
D. To measure belt tension
What can happen if a machine’s bearings are over-lubricated?
A. The machine operates more efficiently
✔✔B. Bearings may overheat and fail prematurely
3
, C. The machine speeds up
D. Shaft misalignment is corrected
What is the purpose of a hydraulic system in industrial machinery?
A. To regulate electrical flow
✔✔B. To transmit force using pressurized fluid
C. To cool down motor components
D. To store mechanical energy
Which factor most affects the lifespan of a rolling bearing?
✔✔A. Proper lubrication and maintenance
B. The number of rotations per minute
C. The material of the bearing housing
D. The temperature of the surrounding environment
What type of drive system is best suited for high-speed, low-torque applications?
✔✔A. Belt drive
B. Chain drive
4
