Exam 955 MSS - TEST 1 QUESTIONS AND ANSWERS
1. What is the raised part of a shaft called? Shoulder
A. Bearing
B. Crown
C. Shoulder
D. Shelf
2. What type of bearing should not be greased? A permanent seal bearing - brass
bushings should not be greased
A. a roller bearing
B. a seal bearing
C. a ball bearing
D. a bad bearing
3. Would you seat a bearing by using outer or inner By applying pressure to the OUTER
surface? surface
A. inner, with a brass hammer
B. inner, with an arbor press
C. outer
D. none of the above
4. Why are key ways placed on a shaft? To keep a pulley or a gear from
turning on the shaft
A. to keep the pulley or gear from turning on the
shaft
B. so you can unlock them
C. So another shaft can interlock with the first
shaft
D. So the key stock has a place to go
5. What is the name of a key that is placed in the Woodrutt key
keyway that has one side flat and the other side
1/7
, Exam 955 MSS - TEST 1 QUESTIONS AND ANSWERS
rounded?
A. Key stock
B. Turn key
C. Woodruff key
D. Salvatore key
6. What is essential about oil? All of the above (viscosity, cleanli-
ness, grade)
A. Viscosity
B. Cleanliness
C. Grade
D. All off the above
7. What is the difference between oil and grease? All of the above (Oil flows and has
lower viscosity than grease and it
A. Oil requires a reservoir also requires a reservoir)
B. Oil has lower viscosity
C. Oil flows
D. All of the above
8. What is 90W oil typically used for? Gearboxes
A. Chains
B. Gearboxes
C. Bearings
D. All of the above
9. The number 6-32 means what to a screw or bolt? NUMBER 6 (6mm diameter shaft)
with 32 threads per inch
A. 6mm, 32 threads per inch
B. 6 threads per inch and 32mm long
C. number 6 with 32 threads per inch
D. None of the above
2/7
1. What is the raised part of a shaft called? Shoulder
A. Bearing
B. Crown
C. Shoulder
D. Shelf
2. What type of bearing should not be greased? A permanent seal bearing - brass
bushings should not be greased
A. a roller bearing
B. a seal bearing
C. a ball bearing
D. a bad bearing
3. Would you seat a bearing by using outer or inner By applying pressure to the OUTER
surface? surface
A. inner, with a brass hammer
B. inner, with an arbor press
C. outer
D. none of the above
4. Why are key ways placed on a shaft? To keep a pulley or a gear from
turning on the shaft
A. to keep the pulley or gear from turning on the
shaft
B. so you can unlock them
C. So another shaft can interlock with the first
shaft
D. So the key stock has a place to go
5. What is the name of a key that is placed in the Woodrutt key
keyway that has one side flat and the other side
1/7
, Exam 955 MSS - TEST 1 QUESTIONS AND ANSWERS
rounded?
A. Key stock
B. Turn key
C. Woodruff key
D. Salvatore key
6. What is essential about oil? All of the above (viscosity, cleanli-
ness, grade)
A. Viscosity
B. Cleanliness
C. Grade
D. All off the above
7. What is the difference between oil and grease? All of the above (Oil flows and has
lower viscosity than grease and it
A. Oil requires a reservoir also requires a reservoir)
B. Oil has lower viscosity
C. Oil flows
D. All of the above
8. What is 90W oil typically used for? Gearboxes
A. Chains
B. Gearboxes
C. Bearings
D. All of the above
9. The number 6-32 means what to a screw or bolt? NUMBER 6 (6mm diameter shaft)
with 32 threads per inch
A. 6mm, 32 threads per inch
B. 6 threads per inch and 32mm long
C. number 6 with 32 threads per inch
D. None of the above
2/7
