Millwright Exam Prep
1. 1. When the downward force at C2 is 100 lb and D2 = 2.5 inches, the upward
force at C1 will
be lb if D1 = 4 inches.
A. 160
B. 256
C. 384
D. 240: Ans- A. 160
x/12.56 sq in = 100 lbs/7.85 sq in
x = (100lbs/7.85 sq in)12.56
x = 160 lbs
2. 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. 3. What are common materials used as electrical conductors?
A. Silver, copper, aluminum
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, B. Copper, glass, lead
C. Mica, rubber, titanium
D. Gold, copper, mica: Ans- A. Silver, copper, aluminum
4. 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. 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
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13
1. 1. When the downward force at C2 is 100 lb and D2 = 2.5 inches, the upward
force at C1 will
be lb if D1 = 4 inches.
A. 160
B. 256
C. 384
D. 240: Ans- A. 160
x/12.56 sq in = 100 lbs/7.85 sq in
x = (100lbs/7.85 sq in)12.56
x = 160 lbs
2. 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. 3. What are common materials used as electrical conductors?
A. Silver, copper, aluminum
1/
13
, B. Copper, glass, lead
C. Mica, rubber, titanium
D. Gold, copper, mica: Ans- A. Silver, copper, aluminum
4. 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. 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
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