EXAM 955 MSS - TEST 1 QUESTIONS
AND ANSWERS GRADED A+ 2026
What is the raised part of a shaft called?
A. Bearing
B. Crown
C. Shoulder
D. Shelf - ANS Shoulder
What type of bearing should not be greased?
A. a roller bearing
B. a seal bearing
C. a ball bearing
D. a bad bearing - ANS A permanent seal bearing - brass bushings should not be greased
Would you seat a bearing by using outer or inner surface?
A. inner, with a brass hammer
B. inner, with an arbor press
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, C. outer
D. none of the above - ANS By applying pressure to the OUTER surface
Why are key ways placed on a 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 - ANS To keep a pulley or a gear from turning on the
shaft
What is the name of a key that is placed in the keyway that has one side flat and the other side
rounded?
A. Key stock
B. Turn key
C. Woodruff key
D. Salvatore key - ANS Woodruff key
What is essential about oil?
A. Viscosity
B. Cleanliness
C. Grade
D. All off the above - ANS All of the above (viscosity, cleanliness, grade)
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
AND ANSWERS GRADED A+ 2026
What is the raised part of a shaft called?
A. Bearing
B. Crown
C. Shoulder
D. Shelf - ANS Shoulder
What type of bearing should not be greased?
A. a roller bearing
B. a seal bearing
C. a ball bearing
D. a bad bearing - ANS A permanent seal bearing - brass bushings should not be greased
Would you seat a bearing by using outer or inner surface?
A. inner, with a brass hammer
B. inner, with an arbor press
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, C. outer
D. none of the above - ANS By applying pressure to the OUTER surface
Why are key ways placed on a 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 - ANS To keep a pulley or a gear from turning on the
shaft
What is the name of a key that is placed in the keyway that has one side flat and the other side
rounded?
A. Key stock
B. Turn key
C. Woodruff key
D. Salvatore key - ANS Woodruff key
What is essential about oil?
A. Viscosity
B. Cleanliness
C. Grade
D. All off the above - ANS All of the above (viscosity, cleanliness, grade)
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2