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📝 E-Filing– Practice Quize (25 Questions)
1. What is the main benefit of electric files in a salon?
A) They replace hand filing completely
B) They save time and reduce hand strain
C) They eliminate all dust
D) They disinfect the nail surface
Answer: B) They save time and reduce hand strain
2. What health condition can E-filing help reduce the risk of?
A) Asthma
B) Carpal tunnel and CTDs
C) Skin cancer
D) Arthritis
Answer: B) Carpal tunnel and CTDs
3. Which of the following is NOT a proper source of training for E-filing?
A) Private classes
B) Trade shows
C) Craft store demonstrations
D) Industry manufacturers
Answer: C) Craft store demonstrations
4. Why should craft or hobby tools never be used on nails?
A) They are too expensive
B) Their shank size and vibration are unsafe
C) They cannot be disinfected
D) They only run at low RPM
Answer: B) Their shank size and vibration are unsafe
5. What is the standard shank size for professional nail machine bits?
A) 1/8″ (3.2 mm)
B) 3/32″ (2.38 mm)
C) 1/32″ (0.79 mm)
D) 1/16″ (1.5 mm)
Answer: B) 3/32″ (2.38 mm)
6. RPM stands for:
A) Revolutions Per Meter
B) Revolutions Per Minute
C) Rotations Per Motor
D) Rotations Per Machine
Answer: B) Revolutions Per Minute
7. Most professional electric files have an RPM range between:
A) 500–2,000
B) 2,000–10,000
C) 5,000–35,000
D) 40,000–100,000
Answer: C) 5,000–35,000
8. Torque measures:
A) The vibration of the bit
B) The power of the motor under pressure
C) The sharpness of the bit
D) The grit size of the file
Answer: B) The power of the motor under pressure
9. High torque machines allow techs to:
A) Work faster with less pressure
B) File at higher RPM only
C) Avoid disinfecting bits
D) Skip training
Answer: A) Work faster with less pressure
10. What feature is important for left-handed nail technicians?
A) High torque
B) Reverse (R) function
C) Larger handpiece
D) Sanding bands
Answer: B) Reverse (R) function
11. Which machine feature locks bits securely in place?
A) Chuck
B) Pedal
C) Torque
D) RPM
Answer: A) Chuck
12. What is the difference between On/Off and variable-speed foot pedals?
A) One controls RPM directly, the other only turns machine on/off
B) Both control RPM equally
C) One controls dust extraction
D) They are only for pedicures
Answer: A) One controls RPM directly, the other only turns machine on/off
13. What should you consider when choosing a handpiece?
A) Color and brand only
B) Weight, size, comfort, vibration
C) Must be the heaviest possible
D) Price alone
Answer: B) Weight, size, comfort, vibration
14. Concentric bits are important because they:
A) Spin without wobbling or vibration
B) Are the cheapest bits
C) Never need disinfection
D) Last forever
Answer: A) Spin without wobbling or vibration
15. What does a higher grit number indicate?
A) Coarser particles
B) Finer, smaller particles
C) Larger shank size
D) Heavier motor
Answer: B) Finer, smaller particles
16. Which type of bit shaves product with grooves called flutes?
A) Diamond
B) Silicone
C) Carbide
D) Natural chamois
Answer: C) Carbide
17. Which carbide is especially safe for beginners due to its rounded ends?
A) Standard carbide
B) Swiss carbide
C) Cross-cut carbide
D) Pedicure carbide
Answer: B) Swiss carbide
18. Which bits feel like pencil erasers?
A) Diamond
B) Silicone
C) Carbide
D) Natural
Answer: B) Silicone
19. Goat hair bits are commonly used for:
A) Shaping acrylic overlays
B) Reducing callus
C) Removing dust and powders
D) Carving designs
Answer: C) Removing dust and powders
20. What is the correct angle to hold the bit against the nail?
A) Perpendicular
B) Flat and parallel
C) 45° tilted
D) Upright
Answer: C) 45° tilted
21. What causes a “Ring of Fire” on the nail?
A) Too much dust
B) Holding a flat-tipped bit at the wrong angle
C) Using a rounded Swiss carbide bit
D) Low torque motor
Answer: B) Holding a flat-tipped bit at the wrong angle
22. How can you reduce excessive heat while filing?
A) Apply more pressure
B) Lower RPM and keep bit still
C) Increase speed, reduce pressure, lift bit often
D) Use coarse grit only
Answer: C) Increase speed, reduce pressure, lift bit often
23. What causes grabbing (bit catching skin)?
A) Bit too close or too big, wrong angle
B) Using Swiss carbide bits
C) Too much torque
D) Filing at medium speed
Answer: A) Bit too close or too big, wrong angle
24. Which type of bits cannot be disinfected and are single-use only?
A) Metal bits
B) Ceramic and sanding bands
C) Carbide bits
D) Diamond bits
Answer: B) Ceramic and sanding bands
25. During pedicures, E-file bits should be used:
A) In fast circular motions
B) In one direction, slowly, with light pressure
C) At maximum RPM
D) To completely remove all callus
Answer: B) In one direction, slowly, with light pressure