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Consider the following advantages of rotary pumps compared to reciprocating pumps:
1. Steady discharge which increases with decrease in head
2. Suitable for handling fluids with suspended solid particles
3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least load
Which of the above advantages are correct?
- a)1, 2 and 3
- b)1, 2 and 4
- c)1, 3 and 4
- d)2, 3 and 4
Correct answer is option 'A'. Can you explain this answer?
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Consider the following advantages of rotary pumps compared to recipro...
Rotary pumps deliver almost steady flow because of absence of any reciprocating motion, since there is no piston-cylinder arrangement with a clearance between them that can fail if any particles gets stuck in the clearance, hence rotary pumps can handle fluids with suspended solid particles, and since rotary pumps have low pressure ratio, they are constructed with thinner walls and light in weight.
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Consider the following advantages of rotary pumps compared to recipro...
Advantages of Rotary Pumps compared to Reciprocating Pumps:
1. Steady discharge which increases with decrease in head:
- Rotary pumps provide a steady discharge flow rate, which remains relatively constant even with changes in the head (pressure) conditions.
- This is due to the continuous and uniform rotation of the pump's impeller, which ensures a consistent flow rate irrespective of the varying system resistance.
- In contrast, reciprocating pumps may experience fluctuations in discharge due to the reciprocating motion of the piston or plunger, which can result in pulsating flow.
2. Suitable for handling fluids with suspended solid particles:
- Rotary pumps are generally more suitable for handling fluids that contain suspended solid particles.
- This is because the rotary pump's design allows for a larger clearance between the impeller and the casing, which reduces the likelihood of clogging or damage caused by solid particles.
- Reciprocating pumps, on the other hand, have narrower clearances and are more prone to blockages or damage when handling fluids with solid particles.
3. Less bulky than positive displacement pumps:
- Rotary pumps are generally less bulky compared to reciprocating pumps, especially positive displacement reciprocating pumps.
- This is because rotary pumps have a simpler design with fewer moving parts, resulting in a more compact and lightweight construction.
- Reciprocating pumps, particularly positive displacement reciprocating pumps, require additional components such as pistons, valves, and cylinders, which can increase their overall size and weight.
4. Can be started with open delivery with least load:
- Rotary pumps can be easily started with an open delivery, meaning that the pump outlet can be initially left open without any load.
- This is advantageous when priming the pump or when the system requires a gradual increase in flow rate.
- Reciprocating pumps, especially those with a positive displacement mechanism, require a closed delivery system with a certain amount of back pressure to operate efficiently. Starting them with an open delivery can cause mechanical issues or insufficient fluid displacement.
Therefore, the correct advantages of rotary pumps compared to reciprocating pumps are options 1, 2, and 3. These advantages make rotary pumps a preferred choice in various applications where a steady discharge, handling of particles, and compact size are crucial factors.
1. Steady discharge which increases with decrease in head:
- Rotary pumps provide a steady discharge flow rate, which remains relatively constant even with changes in the head (pressure) conditions.
- This is due to the continuous and uniform rotation of the pump's impeller, which ensures a consistent flow rate irrespective of the varying system resistance.
- In contrast, reciprocating pumps may experience fluctuations in discharge due to the reciprocating motion of the piston or plunger, which can result in pulsating flow.
2. Suitable for handling fluids with suspended solid particles:
- Rotary pumps are generally more suitable for handling fluids that contain suspended solid particles.
- This is because the rotary pump's design allows for a larger clearance between the impeller and the casing, which reduces the likelihood of clogging or damage caused by solid particles.
- Reciprocating pumps, on the other hand, have narrower clearances and are more prone to blockages or damage when handling fluids with solid particles.
3. Less bulky than positive displacement pumps:
- Rotary pumps are generally less bulky compared to reciprocating pumps, especially positive displacement reciprocating pumps.
- This is because rotary pumps have a simpler design with fewer moving parts, resulting in a more compact and lightweight construction.
- Reciprocating pumps, particularly positive displacement reciprocating pumps, require additional components such as pistons, valves, and cylinders, which can increase their overall size and weight.
4. Can be started with open delivery with least load:
- Rotary pumps can be easily started with an open delivery, meaning that the pump outlet can be initially left open without any load.
- This is advantageous when priming the pump or when the system requires a gradual increase in flow rate.
- Reciprocating pumps, especially those with a positive displacement mechanism, require a closed delivery system with a certain amount of back pressure to operate efficiently. Starting them with an open delivery can cause mechanical issues or insufficient fluid displacement.
Therefore, the correct advantages of rotary pumps compared to reciprocating pumps are options 1, 2, and 3. These advantages make rotary pumps a preferred choice in various applications where a steady discharge, handling of particles, and compact size are crucial factors.
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Consider the following advantages of rotary pumps compared to reciprocating pumps:1. Steady discharge which increases with decrease in head2. Suitable for handling fluids with suspended solid particles3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least loadWhich of the above advantages are correct?a) 1, 2 and 3b) 1, 2 and 4c) 1, 3 and 4d) 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?
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Consider the following advantages of rotary pumps compared to reciprocating pumps:1. Steady discharge which increases with decrease in head2. Suitable for handling fluids with suspended solid particles3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least loadWhich of the above advantages are correct?a) 1, 2 and 3b) 1, 2 and 4c) 1, 3 and 4d) 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Consider the following advantages of rotary pumps compared to reciprocating pumps:1. Steady discharge which increases with decrease in head2. Suitable for handling fluids with suspended solid particles3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least loadWhich of the above advantages are correct?a) 1, 2 and 3b) 1, 2 and 4c) 1, 3 and 4d) 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following advantages of rotary pumps compared to reciprocating pumps:1. Steady discharge which increases with decrease in head2. Suitable for handling fluids with suspended solid particles3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least loadWhich of the above advantages are correct?a) 1, 2 and 3b) 1, 2 and 4c) 1, 3 and 4d) 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?.
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