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19) Tick mark the correct statement: (a) Centrifugal pump convert mechanical energy into hydraulic energy by sucking liquid into chamber. (b) Reciprocating pumps converts mechanical energy into hydraulic energy by means of centrifugal force. (c) Centrifugal pumps convert mechanical energy into hydraulic energy by means of centrifugal force. (d) Reciprocating pumps convert hydraulic energy into mechanical energy.

19) Tick mark the correct statement: (a) Centrifugal pump convert mechanical energy into hydraulic energy by sucking liquid into chamber. (b) Reciprocating pumps converts mechanical energy into hydraulic energy by means of centrifugal force. (c) Centrifugal pumps convert mechanical energy into hydraulic energy by means of centrifugal force. (d) Reciprocating pumps convert hydraulic energy into mechanical energy.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Q 19 please
14) A pump is defined as a device which converts: (a) hydraulic energy in to mechanical energy. (c) kinetic energy into mechanical energy. b) mechanical energy into kinetic energy. (d) none of the them. 15) A turbine is a device which converts: (a) hydraulic energy in to mechanical energy. (b) mechanical energy into hydraulic energy. (c) kinetic energy into mechanical energy. (d) electrical energy into mechanical energy. 16) To produce a high head by multistage centrifugal pumps, the impellers are connected: (a) in parallel. (b) in series. (c) in parallel and series. (d) none of the them. 17) To discharge a large quantity of liquid by multi-stage centrifugal pump, the impellers are connected: (a) in parallel. (b) in series. (c) in parallel and series. (d) none of the them. 18) Cavitation will take place if the pressure of the flowing fluid at any point is: (a) more than vapour pressure of the fluid. (c) is less than vapour pressure of the fluid. (b) equal to vapour pressure of the fluid. (d) none of the them. 19) Tick mark the correct statement: (a) Centrifugal pump convert mechanical energy into hydraulic energy by sucking liquid into chamber. (b) Reciprocating pumps converts mechanical energy into hydraulic energy by means of centrifugal force. (c) Centrifugal pumps convert mechanical energy into hydraulic energy by means of centrifugal force. (d) Reciprocating pumps convert hydraulic energy into mechanical energy. 10) Indicator diagram shows for one complete revolution of crank the: (a) variation of kinetic head in the cylinder. (c) variation of kinetic and pressure head in the cylinder. (b) variation of pressure head in the cylinder. (d) none of the them.
Transcribed Image Text:14) A pump is defined as a device which converts: (a) hydraulic energy in to mechanical energy. (c) kinetic energy into mechanical energy. b) mechanical energy into kinetic energy. (d) none of the them. 15) A turbine is a device which converts: (a) hydraulic energy in to mechanical energy. (b) mechanical energy into hydraulic energy. (c) kinetic energy into mechanical energy. (d) electrical energy into mechanical energy. 16) To produce a high head by multistage centrifugal pumps, the impellers are connected: (a) in parallel. (b) in series. (c) in parallel and series. (d) none of the them. 17) To discharge a large quantity of liquid by multi-stage centrifugal pump, the impellers are connected: (a) in parallel. (b) in series. (c) in parallel and series. (d) none of the them. 18) Cavitation will take place if the pressure of the flowing fluid at any point is: (a) more than vapour pressure of the fluid. (c) is less than vapour pressure of the fluid. (b) equal to vapour pressure of the fluid. (d) none of the them. 19) Tick mark the correct statement: (a) Centrifugal pump convert mechanical energy into hydraulic energy by sucking liquid into chamber. (b) Reciprocating pumps converts mechanical energy into hydraulic energy by means of centrifugal force. (c) Centrifugal pumps convert mechanical energy into hydraulic energy by means of centrifugal force. (d) Reciprocating pumps convert hydraulic energy into mechanical energy. 10) Indicator diagram shows for one complete revolution of crank the: (a) variation of kinetic head in the cylinder. (c) variation of kinetic and pressure head in the cylinder. (b) variation of pressure head in the cylinder. (d) none of the them.
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