INDUSTRIAL MAINTENANCE EXAMINATION 2026 SET
QUESTIONS AND SOLUTIONS RATED A+
✔✔backlash is the - ✔✔difference between the thickness of a tooth and the width of the
tooth space
✔✔in a multiple gear drive an idler is used mainly to - ✔✔change direction of rotation
✔✔a multiple gear drive has a driven gear of 60 teeth, an 8 tooth intermediate gear and
12 tooth driven gear. the overall gear ratio is - ✔✔5
✔✔a multiple gear drive has a driven gear of 60 teeth, an 8 tooth intermediate gear and
12 tooth driven gear. if the intermediate gear is removed the gear ratio will be - ✔✔5
✔✔two shafts connect by a sleeve coupling need to be aligned - ✔✔both horizontally
and vertically
✔✔a floating shaft - ✔✔is not supported directly by any bearing
✔✔plain thrust bearings are used where only ______loads are present - ✔✔axial
✔✔a bearing is a device that reduces ________between two surfaces while supporting
a load - ✔✔friction
✔✔in full film lubrication the moving surfaces are - ✔✔separated by hydraulic pressure
✔✔the best way to install a plain bearing in a bearing housing is using _____ - ✔✔an
arbor press
✔✔shaft clearance in a plain bearing installation is the - ✔✔difference between the
shaft diameter and the bearing bore
✔✔anti friction bearing are divided into two general categories - ✔✔ball bearing, roller
bearing
✔✔ball bearing have ____ capability to run at high speed then roller bearing - ✔✔more
✔✔in a ball bearing the balls are separated and held in place by - ✔✔a retainer
✔✔angular contact ball bearing can accept - ✔✔a combination of radial and thrust loads
✔✔a pillow block housing has a - ✔✔built in bearing
, ✔✔when installing a ball bearing on a shaft using an arbor press, it is necessary to
apply the pressure - ✔✔to the inner race only
✔✔when removing a ball bearing from a shaft using an arbor press it is necessary to
apply the pressure - ✔✔to the inner race only
✔✔the _____ separates the roller in a anti friction bearing and allows them to turn freely
- ✔✔cage
✔✔_______ mounting of a bearing is used to expand or contract the bearing races -
✔✔temperature
✔✔a ______ is used with an external bearing puller to remove bearings - ✔✔bearing
separator
✔✔using _____ to installing a bearing on a shaft results in even pressure being applied
to the bearing race - ✔✔an arbor press
✔✔a bearing should not be heated to a temperature exceeding ____ degrees F unless
specified by the bearing manufacturer - ✔✔250
✔✔the _______ method of mounting tapered - ✔✔indirect
✔✔________ is a lubrication acts to some extent as a seal against the entry of dirt and
other contaminates into the bearing - ✔✔grease
✔✔a grease gun is used to lubricate a bearing by placing the tip of the grease gun onto
a ______ fitting - ✔✔zerk
✔✔all anti friction bearings require some form of - ✔✔lubriction
✔✔the cause of heat build up in a bearing can be a lack of proper lubrication _______
or misalignment - ✔✔overloading
✔✔typical gasket materials are ______, _______, and ______ - ✔✔paper, cork, rubber
✔✔a static o-ring is used between two mating surfaces that - ✔✔do not move relative to
each other
✔✔the purpose of the garter spring in a lip seal is to - ✔✔increase the pressure of the
seal on the rotating shaft
QUESTIONS AND SOLUTIONS RATED A+
✔✔backlash is the - ✔✔difference between the thickness of a tooth and the width of the
tooth space
✔✔in a multiple gear drive an idler is used mainly to - ✔✔change direction of rotation
✔✔a multiple gear drive has a driven gear of 60 teeth, an 8 tooth intermediate gear and
12 tooth driven gear. the overall gear ratio is - ✔✔5
✔✔a multiple gear drive has a driven gear of 60 teeth, an 8 tooth intermediate gear and
12 tooth driven gear. if the intermediate gear is removed the gear ratio will be - ✔✔5
✔✔two shafts connect by a sleeve coupling need to be aligned - ✔✔both horizontally
and vertically
✔✔a floating shaft - ✔✔is not supported directly by any bearing
✔✔plain thrust bearings are used where only ______loads are present - ✔✔axial
✔✔a bearing is a device that reduces ________between two surfaces while supporting
a load - ✔✔friction
✔✔in full film lubrication the moving surfaces are - ✔✔separated by hydraulic pressure
✔✔the best way to install a plain bearing in a bearing housing is using _____ - ✔✔an
arbor press
✔✔shaft clearance in a plain bearing installation is the - ✔✔difference between the
shaft diameter and the bearing bore
✔✔anti friction bearing are divided into two general categories - ✔✔ball bearing, roller
bearing
✔✔ball bearing have ____ capability to run at high speed then roller bearing - ✔✔more
✔✔in a ball bearing the balls are separated and held in place by - ✔✔a retainer
✔✔angular contact ball bearing can accept - ✔✔a combination of radial and thrust loads
✔✔a pillow block housing has a - ✔✔built in bearing
, ✔✔when installing a ball bearing on a shaft using an arbor press, it is necessary to
apply the pressure - ✔✔to the inner race only
✔✔when removing a ball bearing from a shaft using an arbor press it is necessary to
apply the pressure - ✔✔to the inner race only
✔✔the _____ separates the roller in a anti friction bearing and allows them to turn freely
- ✔✔cage
✔✔_______ mounting of a bearing is used to expand or contract the bearing races -
✔✔temperature
✔✔a ______ is used with an external bearing puller to remove bearings - ✔✔bearing
separator
✔✔using _____ to installing a bearing on a shaft results in even pressure being applied
to the bearing race - ✔✔an arbor press
✔✔a bearing should not be heated to a temperature exceeding ____ degrees F unless
specified by the bearing manufacturer - ✔✔250
✔✔the _______ method of mounting tapered - ✔✔indirect
✔✔________ is a lubrication acts to some extent as a seal against the entry of dirt and
other contaminates into the bearing - ✔✔grease
✔✔a grease gun is used to lubricate a bearing by placing the tip of the grease gun onto
a ______ fitting - ✔✔zerk
✔✔all anti friction bearings require some form of - ✔✔lubriction
✔✔the cause of heat build up in a bearing can be a lack of proper lubrication _______
or misalignment - ✔✔overloading
✔✔typical gasket materials are ______, _______, and ______ - ✔✔paper, cork, rubber
✔✔a static o-ring is used between two mating surfaces that - ✔✔do not move relative to
each other
✔✔the purpose of the garter spring in a lip seal is to - ✔✔increase the pressure of the
seal on the rotating shaft
