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Consider the following statements about anti-friction bearings:
1. They have low starting and low running friction at moderate speeds.
2. They have high resistance to shock loading.
3. They can carry both radial and thrust loads.
4. Their initial cost is high.
5. They can accommodate some amount of misalignments of shaft.
Of these statements
- a)1, 2, 3 and 4 are correct
- b)1,3 and 4 are correct
- c)1, 4 and 5 are correct
- d)1, 2, 3 and 5 are correct.
Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements about anti-friction bearings: 1. The...
Self aligning bearing can accommodate some amount of misalignments of shaft.
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Consider the following statements about anti-friction bearings: 1. The...
Statement 1: They have low starting and low running friction at moderate speeds.
Anti-friction bearings, such as ball bearings and roller bearings, are designed to minimize friction between rotating elements. They achieve this by using rolling elements (balls or rollers) that reduce sliding friction. This design feature allows for low starting and running friction, particularly at moderate speeds. Therefore, statement 1 is correct.
Statement 2: They have high resistance to shock loading.
Anti-friction bearings are generally not designed to withstand high shock loads. Unlike plain bearings, which can absorb and distribute shock loads due to their large bearing surface area, anti-friction bearings have smaller contact areas. As a result, they are more susceptible to damage from shock loading. Therefore, statement 2 is incorrect.
Statement 3: They can carry both radial and thrust loads.
Anti-friction bearings are versatile and can carry both radial and thrust loads. Radial loads are perpendicular to the shaft's axis, while thrust loads are parallel to the shaft's axis. The design of anti-friction bearings allows them to support and transmit these loads effectively. Therefore, statement 3 is correct.
Statement 4: Their initial cost is high.
Anti-friction bearings are generally more expensive than plain bearings. This is because of the higher precision required in their manufacturing process, the use of additional components (such as cages and seals), and the higher cost of materials (such as high-quality steel for rolling elements). Therefore, statement 4 is correct.
Statement 5: They can accommodate some amount of misalignments of shaft.
Anti-friction bearings can tolerate some degree of misalignment between the shaft and the bearing housing. However, this tolerance is limited compared to certain other types of bearings, such as spherical roller bearings or self-aligning ball bearings. Therefore, statement 5 is incorrect.
In conclusion, statements 1, 3, and 4 are correct, while statements 2 and 5 are incorrect. Therefore, the correct option is A) 1, 2, 3, and 4.
Anti-friction bearings, such as ball bearings and roller bearings, are designed to minimize friction between rotating elements. They achieve this by using rolling elements (balls or rollers) that reduce sliding friction. This design feature allows for low starting and running friction, particularly at moderate speeds. Therefore, statement 1 is correct.
Statement 2: They have high resistance to shock loading.
Anti-friction bearings are generally not designed to withstand high shock loads. Unlike plain bearings, which can absorb and distribute shock loads due to their large bearing surface area, anti-friction bearings have smaller contact areas. As a result, they are more susceptible to damage from shock loading. Therefore, statement 2 is incorrect.
Statement 3: They can carry both radial and thrust loads.
Anti-friction bearings are versatile and can carry both radial and thrust loads. Radial loads are perpendicular to the shaft's axis, while thrust loads are parallel to the shaft's axis. The design of anti-friction bearings allows them to support and transmit these loads effectively. Therefore, statement 3 is correct.
Statement 4: Their initial cost is high.
Anti-friction bearings are generally more expensive than plain bearings. This is because of the higher precision required in their manufacturing process, the use of additional components (such as cages and seals), and the higher cost of materials (such as high-quality steel for rolling elements). Therefore, statement 4 is correct.
Statement 5: They can accommodate some amount of misalignments of shaft.
Anti-friction bearings can tolerate some degree of misalignment between the shaft and the bearing housing. However, this tolerance is limited compared to certain other types of bearings, such as spherical roller bearings or self-aligning ball bearings. Therefore, statement 5 is incorrect.
In conclusion, statements 1, 3, and 4 are correct, while statements 2 and 5 are incorrect. Therefore, the correct option is A) 1, 2, 3, and 4.
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Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer?.
Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer?.
Solutions for Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
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ample number of questions to practice Consider the following statements about anti-friction bearings: 1. They have low starting and low running friction at moderate speeds.2. They have high resistance to shock loading. 3. They can carry both radial and thrust loads.4. Their initial cost is high. 5. They can accommodate some amount of misalignments of shaft.Of these statementsa)1, 2, 3 and 4 are correct b)1,3 and 4 are correctc)1, 4 and 5 are correct d)1, 2, 3 and 5 are correct.Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
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