BEARINGS Flashcards by Blessed Angela Lascuña

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

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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

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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

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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

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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.

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Lubricants viscosity basically ____
with the increase in temperature.
a. Increases
b. decreases
c. do not change
d. None of the above

DECREASES

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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

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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