USPS 943 CERTIFICATION EVALUATION
TEST 2026 FULL SOLVED QUESTIONS
VERIFIED BY EXPERTS GRADED A+
⩥ Oil (lubricants) foaming in gear mechanism is caused by:
Answer: Contamination of lubricants with water
⩥ Which are the three main factors to consider when choosing a
lubricant?
Answer: Temperature, workload, speed of moving parts
⩥ The benefit/benefits of dynamic balancing are:
Answer: Low vibrations, low noise, and higher bearing life
⩥ ____________ roller bearings are available in cylindrical, barrel and
taper shaped rollers.
Answer: staggered
⩥ When pressing a bearing into the housing, you should press against
_________.
Answer: the outer race only
, ⩥ The purpose of a cylindrical roller bearing is to _________.
Answer: Contain redial motion of the shaft
⩥ The three basic shapes of roller bearings are:
Answer: cylindrical, barrel, and tapered
⩥ The purpose of a thrust bearing is to:
Answer: Contain axial motion of the shaft
⩥ _____________ cause overheating in the bearing and reduces the
bearing life.
Answer: insufficient lubrication and speed
⩥ In order to remove a bearing from a steel shaft, ___________ can be
used without damaging the bearing or the shaft.
Answer: Dry ice and liquid nitrogen
⩥ ____________ load is acting on the plane of the bearings' axis of
rotation.
Answer: Axial
⩥ Which of the following statements is true?
Answer: Zero-film are sliding bearing which are lubrication-free
TEST 2026 FULL SOLVED QUESTIONS
VERIFIED BY EXPERTS GRADED A+
⩥ Oil (lubricants) foaming in gear mechanism is caused by:
Answer: Contamination of lubricants with water
⩥ Which are the three main factors to consider when choosing a
lubricant?
Answer: Temperature, workload, speed of moving parts
⩥ The benefit/benefits of dynamic balancing are:
Answer: Low vibrations, low noise, and higher bearing life
⩥ ____________ roller bearings are available in cylindrical, barrel and
taper shaped rollers.
Answer: staggered
⩥ When pressing a bearing into the housing, you should press against
_________.
Answer: the outer race only
, ⩥ The purpose of a cylindrical roller bearing is to _________.
Answer: Contain redial motion of the shaft
⩥ The three basic shapes of roller bearings are:
Answer: cylindrical, barrel, and tapered
⩥ The purpose of a thrust bearing is to:
Answer: Contain axial motion of the shaft
⩥ _____________ cause overheating in the bearing and reduces the
bearing life.
Answer: insufficient lubrication and speed
⩥ In order to remove a bearing from a steel shaft, ___________ can be
used without damaging the bearing or the shaft.
Answer: Dry ice and liquid nitrogen
⩥ ____________ load is acting on the plane of the bearings' axis of
rotation.
Answer: Axial
⩥ Which of the following statements is true?
Answer: Zero-film are sliding bearing which are lubrication-free
