Tools & Measurements Practice

1. A tape has 16 equal divisions per inch. What is the fifth division after 2 inches?

A. 2 5/16 inchesB. 2 5/8 inchesC. 2 1/5 inchesD. 2 3/16 inches

2. What is 3/8 inch as a decimal?

A. 0.38 inch exactlyB. 0.325 inchC. 0.875 inchD. 0.375 inch

3. How many millimeters equal exactly one inch?

A. 10 mmB. 254 mmC. 25.4 mmD. 24 mm

4. What is 2 inches in millimeters?

A. 5.08 mmB. 50.8 mmC. 25.8 mmD. 48 mm

5. What is 1/2 inch plus 1/4 inch?

A. 3/4 inchB. 2/6 inchC. 1/8 inchD. 1 inch

6. What is 7/8 inch minus 1/4 inch?

A. 6/8 inchB. 3/8 inchC. 1/2 inchD. 5/8 inch

7. What is 0.125 inch as a fraction?

A. 1/16 inchB. 1/2 inchC. 1/8 inchD. 1/4 inch

8. Which instrument can measure an outside diameter with jaws?

A. Thread tapB. CaliperC. Torque wrenchD. Feeler gauge alone

9. What is a feeler gauge commonly used to measure?

A. A narrow clearanceB. Battery currentC. Bolt torqueD. Engine speed

10. What does a torque wrench measure or control?

A. Thread pitch directlyB. Electrical resistanceC. Tire diameterD. Applied turning moment

11. What unit is commonly used for metric torque?

A. Ampere-hourB. Liter per minuteC. Newton-meterD. Millimeter per second

12. What does M8 × 1.25 identify?

A. 8 mm length and 1.25 mm head widthB. 8 mm nominal thread diameter and 1.25 mm pitchC. 8 mm wrench size and 1.25 mm lengthD. 8 threads per inch and 1.25 inch diameter

13. What does TPI mean?

A. Threads per inchB. Torque per indicatorC. Tool pressure indexD. Total piston interval

14. Which tool identifies thread pitch?

A. Oil dipstickB. Compression testerC. Timing lightD. Thread pitch gauge

15. Why is a tap-drill hole normally smaller than the thread's nominal diameter?

A. It prevents all lubricationB. Nominal diameter measures bolt lengthC. Material must remain for the internal threadD. The bolt head must fit inside

16. What should determine tap-drill selection?

A. A guess based on bolt lengthB. Thread specification and an appropriate chartC. Socket colorD. The longest drill available

17. What is the main purpose of a center punch before drilling?

A. Locate the starting pointB. Cut the complete threadC. Measure voltageD. Tighten a bolt

18. What does a square help check?

A. Battery chargeB. Fluid viscosityC. Airflow rateD. A right angle

19. What is 150 mm in centimeters?

A. 1500 cmB. 150 cmC. 15 cmD. 1.5 cm

20. What should you do before trusting a precision measurement?

A. Ignore the measurement unitB. Check zero and instrument conditionC. Press as hard as possibleD. Round to a whole inch

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