True/False
Indicate whether the
statement is true or false.
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1.
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The radial lip seal comes in a variety of shapes and sizes.
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2.
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Most standard oil and grease radial lip seals are designed to have a maximum
service life at 0psi.
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3.
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O-rings are used extensively in hydraulic and pneumatic mechanisms to seal
fluids and air.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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4.
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This is a ___________.  a. | Gasket | c. | Oil and Grease Seal | b. | Radial Lip Seal | d. | V-Ring Seal |
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5.
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This is a ___________.  a. | Gasket | c. | Oil and Grease Seal | b. | Radial Lip Seal | d. | V-Ring Seal |
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6.
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This is a ___________.  a. | Gasket | c. | Oil and Grease Seal | b. | Radial Lip Seal | d. | V-Ring Seal |
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7.
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This is a __________.  a. | Gasket | c. | Rotary Seal | b. | Stuffing Box | d. | Mechanical Seal |
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8.
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This is a __________.  a. | Gasket | c. | Rotary Seal | b. | Stuffing Box | d. | Mechanical Seal |
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9.
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This is a __________.  a. | Gasket | c. | Rotary Seal | b. | Stuffing Box | d. | Mechanical Seal |
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10.
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This is a __________.  a. | Gasket | c. | Rotary Seal | b. | Stuffing Box | d. | Mechanical Seal |
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11.
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This is an ___________.  a. | Stuffing Box Cylinder | c. | O-Ring | b. | Flat Belt | d. | None of the
above |
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Completion
Complete each
statement.
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12.
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The basic function of all seals and sealing devices is to both retain and to
_______ fluids or substances.
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13.
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Seals and sealing devices can be grouped into two basic types: static and
_________.
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14.
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The purpose of dynamic lip seals is to create a ________ between surfaces in
relative motion.
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15.
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The most commonly used material for sealing lips is _______.
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16.
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Standard bonded type lip seals will satisfactorily function at pressures up to
____ psi.
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17.
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Mechanical and rotary seals are designed to eliminate _________ originating from
inside the machine or pump, as well as excluding foreign contaminants.
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18.
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The o-ring is designed to work under _________ in a matching groove and seal
between two mating surfaces.
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Matching
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a. | Gasket | c. | Rotary seals | b. | Stuffing Box | d. | Mechanical
seals |
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19.
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A seal that is designed to seal at three locations.
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20.
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A typical configuration will include a “stator” which is the
stationary component, and a “rotor” that is the rotating part.
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21.
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A seal used with centrifugal and rotary pumps, reciprocating pumps, rods,
plungers and pistions. It is used to control leakage at the point a shaft protrudes from a
machine.
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22.
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A pliable material that is shaped and placed between two mating machined
surfaces.
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