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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Test: Significance of Specific Speed - Civil Engineering (CE) MCQ

Test: Significance of Specific Speed - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Significance of Specific Speed

Test: Significance of Specific Speed for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Significance of Specific Speed questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Significance of Specific Speed MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Significance of Specific Speed below.
Solutions of Test: Significance of Specific Speed questions in English are available as part of our course for Civil Engineering (CE) & Test: Significance of Specific Speed solutions in Hindi for Civil Engineering (CE) course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Significance of Specific Speed | 10 questions in 30 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Significance of Specific Speed - Question 1
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Specific speed is the speed of the turbine which is similar to its ________

Detailed Solution for Test: Significance of Specific Speed - Question 1

Specific speed is the speed of the turbine which is similar to its aspect ratio. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery. Some of the main examples of turbomachinery are turbines. Specific speed plays an important role in the turbine.

Test: Significance of Specific Speed - Question 2
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Specific speed develops a unit power under a unit _______

Detailed Solution for Test: Significance of Specific Speed - Question 2

Specific speed develops a unit power under a unit head of the turbine. The unit head of the turbine plays an important role in denoting the specific speed of the turbine.

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Test: Significance of Specific Speed - Question 3
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Hydraulic head is also called as _________

Detailed Solution for Test: Significance of Specific Speed - Question 3

Hydraulic head is also called a Piezometric head. It is a measurement of the liquid pressure above the geodetic datum. Hydraulic head is usually measured as a liquid in surface elevation.

Test: Significance of Specific Speed - Question 4
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Specific speed is an index used to predict _______
Detailed Solution for Test: Significance of Specific Speed - Question 4

Specific speed of a turbine is used to predict its turbine performance. Specific speeds are used in pumps to determine. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery.

Test: Significance of Specific Speed - Question 5
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Specific speed of a Francis turbine is _______
Detailed Solution for Test: Significance of Specific Speed - Question 5

Specific speed of a Francis turbine is equal to 51 to 225. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery. Some of the main examples of turbomachinery are turbines. Specific speed plays an important role in the turbine.

Test: Significance of Specific Speed - Question 6
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Specific speed less than 500 are called _________
Detailed Solution for Test: Significance of Specific Speed - Question 6

Specific speed less than 500 are called positive displacement pumps. Centrifugal pump impellers have speed ranging from 500- 10000 English units. IT has got radial flow with pumps mixed with axial flow pumps.

Test: Significance of Specific Speed - Question 7
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Specific speeds are used in pumps to determine ________
Detailed Solution for Test: Significance of Specific Speed - Question 7

Specific speeds are used in pumps to determine. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery. Some of the main examples of turbomachinery are turbines. Specific speed plays an important role in the turbine.

Test: Significance of Specific Speed - Question 8
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Impeller in a motor is used to _________
Detailed Solution for Test: Significance of Specific Speed - Question 8

Impellers that are present in motors are used to increase or decrease the pressure of the fluid flow in the turbines. Thus, the correct option is ‘b’.

Test: Significance of Specific Speed - Question 9
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Specific speed of a Pelton wheel with single jet is _______
Detailed Solution for Test: Significance of Specific Speed - Question 9

Specific speed of a Pelton wheel with a single jet is equal to 8.5 to 30. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery. Some of the main examples of turbomachinery are turbines. Specific speed plays an important role in the turbine.

Test: Significance of Specific Speed - Question 10
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Specific speed of a Pelton wheel with multiple jets is _______
Detailed Solution for Test: Significance of Specific Speed - Question 10

Specific speed of a Pelton wheel with multiple jets is equal to 30 to 51. Specific speed is denoted by Ns. It is used to characterize speeds in turbo machinery. Some of the main examples of turbomachinery are turbines. Specific speed plays an important role in the turbine.

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