Level 1 - Mechanical Seals Quiz #1
Component Mechanical Seal Quiz Questions
- 1.
What is a main difference between a 440 Rotary and 891 Rotary Unit?
- A.
High Temperature versus Low Temperature
- B.
Fits DIN 24960 versus ANSI Pumps
- C.
Non-Metallic versus Metal in Sealed Fluid
- D.
Cheap versus Expensive
Correct Answer
C. Non-Metallic versus Metal in Sealed FluidExplanation
The main difference between a 440 Rotary and 891 Rotary Unit is the material used in the sealed fluid. The 440 Rotary Unit uses non-metallic material in the sealed fluid, while the 891 Rotary Unit uses metal.Rate this question:
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- 2.
What is the correct price and re-order numbers for a 891-16 CB/S, an SAS -16 CER/S and a 478-16 shown below?
- A.
891 1.875 Inch 659302 $443.00 - SAS 2.000 Inch 050113 $447.00 - 478 1.875 Inch 050708 $276.00
- B.
891 2.000 Inch 659303 $449.00 - SAS 1.875 Inch 050112 $417.00 - 478 2.000 Inch 050709 $324.00
- C.
891 1.875 Inch 659302 $449.00 - SAS 1.875 Inch 050112 $447.00 - 478 1.875 Inch 050708 $276.00
- D.
891 2.000 Inch 659303 $469.00 - SAS 2.000 Inch 050113 $467.00 - 478 2.000 Inch 050709 $342.00
Correct Answer
D. 891 2.000 Inch 659303 $469.00 - SAS 2.000 Inch 050113 $467.00 - 478 2.000 Inch 050709 $342.00Explanation
The correct price and re-order numbers for the 891-16 CB/S, an SAS -16 CER/S, and a 478-16 are as follows: 891 2.000 Inch 659303 $469.00 - SAS 2.000 Inch 050113 $467.00 - 478 2.000 Inch 050709 $342.00.Rate this question:
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- 3.
What is the least expensive rotary unit of those listed below?
- A.
891
- B.
440
- C.
886HT
- D.
491
Correct Answer
D. 491Explanation
The least expensive rotary unit among those listed is 491.Rate this question:
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- 4.
What stationary can be used in a the seal chamber shown below with an 891 rotary unit if we do not know the dimensions of the bore?
- A.
773
- B.
782
- C.
725
- D.
732
Correct Answer
C. 725 -
- 5.
What is the most expensive component rotary with a carbon seal listed below?
- A.
891
- B.
440
- C.
886HT
- D.
491
Correct Answer
C. 886HTExplanation
The most expensive component rotary with a carbon seal listed below is 886HT.Rate this question:
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- 6.
Which rotary unit of those listed below has the highest pressure limit?
- A.
440
- B.
886HT
- C.
891
- D.
491
Correct Answer
C. 891Explanation
The rotary unit with the highest pressure limit among those listed is the 891.Rate this question:
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- 7.
Which rotary unit is designed to fit the ISO En12756 L1K / DIN 24960 pump dimensions?
- A.
491
- B.
891
- C.
440
- D.
886HT
Correct Answer
A. 491Explanation
The rotary unit designed to fit the ISO En12756 L1K / DIN 24960 pump dimensions is 491.Rate this question:
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- 8.
The 891 can only be used with the 714 and 777 stationary units.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement suggests that the 891 can only be used with the 714 and 777 stationary units. However, the correct answer is False. This means that the 891 can be used with other units as well, not just the 714 and 777 stationary units.Rate this question:
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