Pelton Wheel - I

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| By Manish Singh
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Manish Singh
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Quizzes Created: 2 | Total Attempts: 551
| Attempts: 366 | Questions: 15
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1. The width of Pelton wheel should be 5 times the diameter of jet.

Explanation

Answer: a
Explanation: To obtain Pelton wheel of higher efficiency, width of buckets is specified as 5 times diameter of jet by considering several experimental observations.

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About This Quiz
Hydraulics Quizzes & Trivia

Explore the Pelton Wheel's design through this quiz titled 'Pelton Wheel - I'. Assess key aspects like bucket dimensions, jet ratios, and runner diameters. Ideal for learners and professionals in mechanical engineering, enhancing understanding of Pelton Wheel mechanics.

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2. The depth of buckets of Pelton wheel ____________

Explanation

Answer: a
Explanation: To obtain Pelton wheel of higher efficiency, depth of buckets is specified as 1.2 times diameter of jet by considering several experimental observations.

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3.  In most of cases the value of jet ratio is _______________

Explanation

Answer: c
Explanation: Jet ratio is 12 because in most of Pelton turbines diameter of runner is 12 times the diameter of jet.

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4. Number of buckets on runner of Pelton wheel is given by expression? (D-diameter of runner and d- diameter of jet)

Explanation

Answer: a
Explanation: To obtain Pelton wheel of higher efficiency, number of buckets is specified as 15 + D/2d by considering several experimental observations.

Submit
5. If diameter of jet is 85mm and diameter of runner is 1.5 meter then depth of buckets is ___________

Explanation

Answer: d
Explanation: The expression for measuring depth of buckets is 1.2*diameter of jet, which is 1.2*85=102mm.

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6. Find the pitch diameter of runner D, if jet ratio m and diameter of jet d are given as 10 and 125mm.

Explanation

Answer: a
Explanation: Expression for jet ratio is m=D/d which is 10*0.125= 1.25 meters.

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7. Design of Pelton wheel means the following data is to be determined

Explanation

Answer: d
Explanation: In design of Pelton wheel we determine diameter of jet, diameter of runner, Width of buckets, Depth of buckets, Number of buckets on runner.

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8. The ratio of pitch diameter of Pelton wheel to diameter of jet is known as ___________

Explanation

Answer: b
Explanation: The ratio of pitch diameter of Pelton wheel to diameter of jet is known as jet ratio.

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9. If diameter of jet is 85mm and diameter of runner is 1.5 meter then calculate width of buckets.

Explanation

Answer: d
Explanation: The expression for measuring width of buckets is 5*diameter of jet, which is 5*85=425mm.

Submit
10. ____________ is obtained by dividing total rate of flow through the turbine by rate of flow through single jet.

Explanation

Answer: a
Explanation: Total discharge is sum of individual discharges hence, by dividing total rate of flow through the turbine by rate of flow through single jet we get number of jets.

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11. 6. The number of buckets of Pelton wheel is 25 and diameter of runner is 1.5meters then calculate diameter of jet is ___________

Explanation

Answer: b
Explanation: The expression for measuring number of buckets is 15 + diameter of runner/2 times diameter of jet by using this expression we get diameter of jet as 75mm.

Submit
12. The ratio of diameter of jet to diameter of runner is _____________

Explanation

Answer: b
Explanation: To obtain Pelton wheel of higher efficiency, diameter of runner is 5 times diameter of jet by considering several experimental observations.

Submit
13. If diameter of jet is 85mm and diameter of runner is 1.5 meter then calculate number of buckets on Pelton wheel approximately

Explanation

Answer: d
Explanation: The expression for measuring number of buckets is 15 + diameter of runner/2 time’s diameter of jet, which are 15 + 1.5/2*0.085.

Submit
14. The width of buckets of Pelton wheel is _________________

Explanation

Answer: d
Explanation: To obtain Pelton wheel of higher efficiency, width of buckets is specified as 5 times diameter of jet by considering several experimental observations.

Submit
15. Turbines installed at Bhakra Nangal are.

Explanation

Answer: a
Explanation: pelton wheels

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The width of Pelton wheel should be 5 times the diameter of jet.
The depth of buckets of Pelton wheel ____________
 In most of cases the value of jet ratio is _______________
Number of buckets on runner of Pelton wheel is given by expression?...
If diameter of jet is 85mm and diameter of runner is 1.5 meter then...
Find the pitch diameter of runner D, if jet ratio m and diameter of...
Design of Pelton wheel means the following data is to be determined
The ratio of pitch diameter of Pelton wheel to diameter of jet is...
If diameter of jet is 85mm and diameter of runner is 1.5 meter then...
____________ is obtained by dividing total rate of flow through the...
6. The number of buckets of Pelton wheel is 25 and diameter of runner...
The ratio of diameter of jet to diameter of runner is _____________
If diameter of jet is 85mm and diameter of runner is 1.5 meter then...
The width of buckets of Pelton wheel is _________________
Turbines installed at Bhakra Nangal are.
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