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AWCI Certified Clockmaker Exam

Class notes Jan 1, 2026 ★★★★☆ (4.0/5)
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AWCI Certified Clockmaker Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

  • What is the primary function of a clock escapement?
  • To store power in the mainspring
  • To display the time
  • To regulate the release of energy from the power source
  • To wind the clock

Rationale: The escapement controls and regulates energy flow to the

oscillator, ensuring accurate timekeeping.

2. The pendulum’s time period depends primarily on:

  • The weight of the bob
  • The length of the pendulum
  • The material of the rod
  • The driving force 1 / 4

Rationale: The period of a pendulum is proportional to the square root

of its length, not its weight or material.

  • What is the most common cause of a clock running fast?
  • Weak mainspring
  • Pendulum too short
  • Dirty pivot holes
  • Insufficient lubrication

Rationale: A shorter pendulum swings faster, making the clock gain

time.

4. A clock mainspring should be lubricated using:

  • Machine oil

B. WD-40

  • Clock mainspring grease
  • Vaseline

Rationale: Clock mainspring grease is formulated to reduce friction

and prevent sticking.

  • Which tool is essential for removing a clock hand?
  • Balance tack
  • Hand puller
  • Mainspring winder
  • Pivot file

Rationale: A hand puller safely removes clock hands without damaging

the dial. 2 / 4

6. The verge in a verge escapement functions as:

  • The pallet mechanism controlling gear motion
  • A winding mechanism
  • The striking hammer
  • A pendulum suspension

Rationale: The verge acts as the pallet component that alternately

locks and unlocks the escape wheel.

7. When re-bushing a worn pivot hole, the replacement bushing must be:

  • Smaller than the pivot
  • Slightly larger than the pivot with minimal side shake
  • Oversized for easy movement
  • Identical to the original hole

Rationale: Proper bushing size ensures correct endshake and

minimizes friction.

8. A movement described as “eight-day” means:

  • It chimes every eight hours
  • It runs for eight days per winding
  • It has eight wheels
  • It is wound eight times per day

Rationale: An eight-day movement operates approximately one week

between windings.

  • What is the purpose of a fusee in early clock mechanisms?
  • To improve escapement accuracy 3 / 4
  • To equalize mainspring torque
  • To amplify the striking mechanism
  • To wind the pendulum

Rationale: The fusee compensates for decreasing mainspring force as

it unwinds.

  • The “count wheel” is associated with which clock function?
  • Timekeeping
  • Striking
  • Winding
  • Escapement

Rationale: Count wheels control the striking sequence of the clock.

  • Which cleaning solution is generally used in ultrasonic clock
  • cleaning?

  • Alcohol and water
  • Ammoniated clock cleaning solution
  • Vinegar
  • Mineral spirits

Rationale: Ammoniated solutions dissolve oil residues and tarnish

effectively.

  • What is the most likely reason for a clock striking one hour
  • early?

  • Dirty escapement
  • / 4

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Category: Class notes
Added: Jan 1, 2026
Description:

AWCI Certified Clockmaker Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf 1. What is the primary function of a clock escapement? A. To...

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