MILLWRIGHT CERTIFICATION TEST BANK
2026 COMPLETE ANSWERS VERIFIED
⫸ 2. Add the following decimals and express the answer to three
decimal places. 0.4789 + 3.125 + 9.656
A. 13.26
B. 13.3
C. 13.259
D. 13.2599. Ans: C. 13.259
⫸ 3. What are common materials used as electrical conductors?
A. Silver, copper, aluminum
B. Copper, glass, lead
C. Mica, rubber, titanium
D. Gold, copper, mica. Ans: A. Silver, copper, aluminum
⫸ 4. Large impulse turbines will use what of rotor?
A. Build-up rotors.
B. Solid rotors
C. Combination of solid and build-up rotors
D. All of the above. Ans: D. All of the above
, ⫸ 5. The most effect purging medium to use when dealing with iron
sulphide is:
A. air
B. carbon dioxide
C. nitrogen
D. water. Ans: D. water
⫸ 6. The shape of a ball bearing is ______ when a load is applied to
the ball.
A. elliptical
B. circular
C. rectangle
D. radial
E. trapezoid. Ans: A. elliptical
⫸ 7. Which of the following is a typical 4000 hour inspection duty
with compressors?
A. Service the crankcase breather
B. Take oil samples
C. Recalibrate all temperature and pressure gauges
2026 COMPLETE ANSWERS VERIFIED
⫸ 2. Add the following decimals and express the answer to three
decimal places. 0.4789 + 3.125 + 9.656
A. 13.26
B. 13.3
C. 13.259
D. 13.2599. Ans: C. 13.259
⫸ 3. What are common materials used as electrical conductors?
A. Silver, copper, aluminum
B. Copper, glass, lead
C. Mica, rubber, titanium
D. Gold, copper, mica. Ans: A. Silver, copper, aluminum
⫸ 4. Large impulse turbines will use what of rotor?
A. Build-up rotors.
B. Solid rotors
C. Combination of solid and build-up rotors
D. All of the above. Ans: D. All of the above
, ⫸ 5. The most effect purging medium to use when dealing with iron
sulphide is:
A. air
B. carbon dioxide
C. nitrogen
D. water. Ans: D. water
⫸ 6. The shape of a ball bearing is ______ when a load is applied to
the ball.
A. elliptical
B. circular
C. rectangle
D. radial
E. trapezoid. Ans: A. elliptical
⫸ 7. Which of the following is a typical 4000 hour inspection duty
with compressors?
A. Service the crankcase breather
B. Take oil samples
C. Recalibrate all temperature and pressure gauges
