BEARINGS Flashcards
A metallic or synthetic lining
for a hole that reduces or
prevents abrasion between
components of the machine.
a. Bearing
b. Bushing
c. Gasket
d. All of the above
Bushing
What type of bearing must be
recommended to tighten the belt
tension of a bucket elevator?
a. Pillow block bearing
b. Flange bearing
c. Take-up Unit bearing
d. All of the above
Take-up Unit bearing
For hanger bearing of a screw
conveyor, what type of bearing is
recommended?
a. Ball bearing
b. Thrust bearing
c. Tapered bearing
d. Journal bearing
e. None of the above
Journal bearing
A type of bearing excellent for
heavy radial load and moderate
thrust load.
a. Tapered roller bearing
b. Spherical roller bearing
c. Ball bearing
d. None of the above
Spherical roller bearing
Which of the following
statements is true?
a. Ball bearing operates at a
higher speed limit than roller
bearing.
b. Roller bearing operates at a
higher speed limit than ball
bearing.
c. Ball bearing operates at the
same speed limit with roller
bearing.
d. None of the above
Ball bearing operates at a
higher speed limit than roller
bearing.
A type of bearing with roller length at
least 4 times than its diameter and is
suitable for heavy load, oscillating and
low speed.
a. Cylindrical roller bearing
b. Needle bearing
c. Tapered roller bearing
d. None of the above
Needle bearing
A machine element used to keep
castellated nut from loosening.
a. Roller pin
b. Spring
c. Cotter pin
d. None of the above
Cotter pin
A type of bearing used to restrain
endwise motion of a turning shaft or to
withstand an axial load.
a. Ball bearing
b. Thrust bearing
c. Roller bearing
d. None of the above
Thrust bearing
The bearings used for disk plow
bottom are ___.
a. tapered roller bearing
b. spherical roller bearing
c. ball bearing
d. None of the above
tapered roller bearing
A type of bearing suitable for heavy
radial load and free from axial load.
a. Ball bearing
b. Tapered bearing
c. Cylindrical roller bearing
d. None of the above
Cylindrical roller bearing
A type of bearing suitable for both
radial and thrust loads.
a. Ball bearing
b. Cylindrical roller bearing
c. Needle bearing
d. None of the above
Ball bearing
When high viscosity oil is used in
the transmission box of a puddling-type
tiller is high, there will be ___ in the
system.
a. more heat from liquid friction
produce
b. more mechanical friction will occur
c. no friction
d. None of the above
more heat from liquid friction
produce
When low viscosity oil is used in
the transmission box of a puddling type
tiller, there will be ___ in the system.
a. more heat produced from liquid
friction produce
b. more mechanical friction
c. no friction
d. None of the above
more mechanical friction
If the shaft rpm in a transmission
box is increase, the coefficient of
friction of fluid will ______ .
a. remains the same
b. decrease
c. increase
d. None of the above
INCREASE
When designing an axle of a rice
thresher, low friction can be attained by
making the components to _____ with
each other.
a. roll
b. slide
c. skid
d. None of the above
ROLL
The higher the viscosity of a fluid,
the ____ is the energy is required to
slide the surfaces at a given speed and
gap.
a. lesser
b. greater
c. None of the above
GREATER
Lubricants viscosity basically ____
with the increase in temperature.
a. Increases
b. decreases
c. do not change
d. None of the above
DECREASES
It is a measure of an oil viscositytemperature behavior.
a. Oil Index
b. Viscosity Index
c. V/T Index
d. None of the above
VISCOSITY INDEX
Viscosity index of SAE 10W-30 oil.
a. 100 V.I.
b. 120 V.I.
c. 140 V.I.
d. None of the above
140 V.I.
Viscosity Index of SAE 10W oil.
a. 100 V.I.
b. 120 V.I.
c. 140 V.I.
d. None of the above
100 V.I.
Multi-grade oils have ___ VI than
single grade oil, i.e. the viscosity
changes less with temperature.
a. lower
b. middle
c. higher
d. None of the above
higher
Basically, oil viscosity ____ with
pressure.
a. increases dramatically
b. decreases dramatically
c. do not change
d. None of the above
increases dramatically
A bearing is specified as 6204.
The first number refers to. ____ .
a. Size
b. Type
c. Series
d. None of the above
Type
The second number above
refers to ____ .
a. Size
b. Type
c. Series
d. None of the above
Series
The two remaining number is
in the above specification is ____ .
a. Size
b. Type
c. Series
d. None of the above
Size
What is the size of the bearing
above ____ ?
a. 16 mm
b. 20 mm
c. 25 mm
d. None of the above
20 MM
If a bearing has a designated
specification of P206, what size of
shaft is suitable for the bearing.
a. 1 in.
b. 1 ¼ in.
c. 1 ½ in.
d. None of the above
1 ¼ in.
What type of bearing must be
recommended to tighten the belt
tension of a bucket elevator?
a. Pillow block bearing
b. Flange bearing
c. Take-up Unit bearing
d. All of the above
Take-up Unit bearing
For hanger bearing of a screw
conveyor, what type of bearing is
recommended?
a. Ball bearing
b. Thrust bearing
c. Tapered bearing
d. Journal bearing
e. None of the above
Journal bearing
Commercially available ball
bearings are designated as P305. What
is does the letter indicate?
a. Type of bearing unit
b. Type of bearing housing
c. Type of bearing material used
d. None of the above
Type of bearing housing
What type of housing does the
bearing above?
a. Flange
b. Pillow block
c. Take up unit
d. None of the above
Pillow block
What is the size of the bearing
above?
a. 20 mm
b. 25 mm
c. 30 mm
d. None of the above
25 mm
In the design of screw conveyor,
what type of end bearing is
recommended when axial load is
significant?
a. Ball bearing
b. Spherical bearing
c. Tapered bearing
d. None of the above
Tapered bearing
. It is a machine element that supports
a load while permitting relative motion
between the two elements of the
machine.
a. Linkages
b. Chain and sprocket
c. Bearing
d. Shaft
e. None of the above
Bearing
ABMA
American Bearing Manufacturer’s
Association
The load which the bearings can be
subjected while achieving a rated life of
1 million revolutions.
a. Basic static load
b. Basic dynamic load
c. Bearing life
d. None of the above
Basic dynamic load
The load the bearing can withstand
without permanent deformation of any
component.
a. Basic static load
b. Basic dynamic load
c. Bearing life
d. None of the above
Basic static load
Which of the following bearing is
suitable for radial load at higher speed.
a. Roller ball bearing
b. Tapered roller bearing
c. Cylindrical roller bearing
d. None of the above
Roller ball bearing
Which of the following bearings are
suitable for higher radial load at lower
speed?
a. Roller ball bearing
b. Tapered roller bearing
c. Cylindrical roller bearing
d. Needle bearing
e. None of the above
Cylindrical roller bearing
By adding a second row of balls in a
ball bearing, it ___ the radial load
carrying capacity of the bearing.
a. decreases
b. increases
c. maintains
d. None of the above
INCREASES
It is the type of bearings that gives
excellent rating for misalignment
capability while retaining the same
rating on radial capacity.
a. Needle bearing
b. Cylindrical roller bearing
c. Spherical bearing
d. Tapered roller bearing
Spherical bearing
It is a type of bearings designed to
take substantial thrust load along with
high radial load.
a. Needle bearing
b. Cylindrical roller bearing
c. Spherical roller bearing
d. Tapered roller bearing
e. None of the above
Tapered roller bearing
It is a type of bearings suitable
when radial space is smaller to carry a
given load.
a. Needle bearing
b. Cylindrical roller bearing
c. Spherical roller bearing
d. Tapered roller bearing
e. None of the above
Needle bearing
It is a type of bearing that can take
little or no radial load.
a. Thrust bearing
b. Needle bearing
c. Cylindrical roller bearing
d. Tapered roller bearing
e. None of the above
Thrust bearing
Class for extra light bearing
application.
a. 100
b. 200
c. 300
d. 400
e. None of the above
100
. Bearing class for heavy duty
application.
a. 100
b. 200
c. 300
d. 400
e. None of the above
400
If the bearing has a bearing number
6205, what is the bearing type?
a. Self aligning ball bearing
b. Deep groove bearing
c. Spherical roller
d. Ball thrust bearing
e. None of the above
Self aligning ball bearing
