AUEC2-006 Session 7

Which of the following is not a type of locking device used on machines?

• Wedge

• Split pin

• Circlip

• Fasteners

When inspecting locking devices on machines, what should be replaced if damaged?

• Bearings
• Bolts
• O-rings
• Gaskets

Which of the following is not a measuring equipment used in mechanical maintenance?

• Vernier caliper
• Micrometer
• Torque wrench
• Voltmeter

When measuring the diameter of a shaft, which tool is most suitable for accurate results?

• Dial indicator
• Depth micrometer
• Vernier caliper
• Feeler gauge

Which locking device is used to prevent nuts from loosening in vibration-prone applications?

• Lock washer
• Split pin
• Retaining ring
• C-clamp

What should be done if a damaged locking device is found during inspection of a machine?

• Lubricate the device
• Tighten the device
• Replace the device
• Ignore the damage

Which measuring equipment is used to measure the internal diameter of a hole in mechanical maintenance?

• Inside micrometer
• Dial bore gauge
• Thread pitch gauge
• Bevel protractor

What is the purpose of a cotter pin in a machine?

• To secure two parts together
• To measure fastener torque
• To prevent rotation of a shaft
• To lock a bolt in place

Which locking device is commonly used to secure wheels on axles in machines?

• C-clamp
• Split pin
• Cotter pin
• Lock washer

What should be used to measure the angle of a bevel gear during maintenance?

• Protractor
• Depth gauge
• Screw pitch gauge
• Thread gauge