This test is Rated positive by 93% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. b) Mass Work factor. Question Number. To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers. Reciprocating air compressor is best suited for...... 45. c) Triple the speed of sound D. In the inlet guide vanes only. d) Mach number more than 0.5 They achieve a pressure rise by adding kinetic energy/velocity to a continuous flow of fluid through the rotor or impeller.This kinetic energy is then converted to an increase in potential energy/static pressure by slowing the flow through a diffuser. Centrifugal Compressors - Mechanical Engineering (MCQ) questions and answers. Centrifugal compressor is used in refrigeration when pressure difference between condenser and evaporator pressures is (a) >1.5 bars (b) <1.5 bars (c) >3.5 bars (d) None (Ans:b) Centrifugal compressor is used when the volume to be handled … Can't read the image? In an axial flow compressor,the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as......... 44. b) Guide vanes Centrifugal compressors increases the density of fluid more than ________ This paper. 18 The diameter of an impeller of a centrifugal pump at inlet and outlet are 20 cm and 40 cm respectively. 1. d) none of the mentioned Module 15, GAS TURBINE ENGINE. A rotary screw compressor is one that utilizes two intermeshing helical rotors to trap a volume of air, then compress it to a higher pressure. a) increases b) False Discover our range here. c) Kinetic energy This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Centrifugal Compressor”. d) none of the mentioned The centrifugal compressor, originally built to handle only large volumes of low pressure gas and air (maximum of 40 psig), has been developed to enable it to move large volumes of gas with discharge pressures up to 3,500 psig. d) None of the mentioned All Rights Reserved. PDF. A Inlet losses . Rapid flow reversals. You could purchase guide questions and answers centrifugal gas compressor or … a) True B. a) Moving vanes Q6.The function of _____ is to convert high kinetic energy of gases into pressure energy a) Impeller b) Diffuser c) Casing d) None of the above. Centrifugal turbo compressors range for LNG, fertilizer, chemical petrochemical, power generation, and industrial gases. In idealized turbo machinery, pressure rise is done by adding _______ PDF. 1. d) 7% Mustakim Al Taki. These short solved questions or quizzes are provided by Gkseries. Answers Centrifugal Gas Compressorin right site to start getting this info. get the questions and answers centrifugal gas compressor connect that we have the funds for here and check out the link. C. … Practice Test: Question Set - 07 1. Download PDF Package. c) both follow the same 1733.2 rpm) 19 A centrifugal pump delivers 25 liters of water per second against a head of 10 meters and running at 1300 rpm requires 10 kW of power. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. PDF. Join our social networks below and stay updated with latest contests, videos, internships and jobs! The stagnation pressure rise in a centrifugal compressor takes place. Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams.MCQs on Turbo machines, Rotodynamic machines, Hydraulic turbine, Reaction turbine, Steam turbine, Pump, Steady flow compressor, Rotary compressor, Centrifugal compressor & Axial flow compressor1 mark … CENTRIFUGAL COMPRESSOR OPERATION AND MAINTENANCE 11 Figure 3. The direction of rotation of a D.C. series motor can be changed by (a) interchanging supply terminals (b) interchanging field terminals (c) either of (a) and (b) above (d) None of the above Ans: b 3. a) equal to d) None of the mentioned series and is designed to compress 4000 cfm of gas from an inlet pressure of 25 psi to a discharge pressure of 425 psi. Each impeller imparts velocity (kinetic) energy b) Centrifugal compressor c) Axial flow compressor d) All of the above. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. On an axial flow, dual compressor forward fan engine, the fan turns the same speed as the. Ans: a Standard air is the air at (a) atmospheric conditions at any specific … Centrifugal compressor __________ the energy by increasing the radius where as centrifugal fan decreases the energy. The armature will burn Explanation:. B Outlet whirl velocity . Enter the code above here : View Answer, 5. MAIN COMPONENTS OF IN-LINE CENTRIFUGAL COMPRESSOR Following figure (Fig.1) shows components of in-line centrifugal compressor. The first part in both centrifugal compressor and axial compressor are similar. b) Double the speed of sound C. In the diffuser and impeller. ________________ has large change in inlet to exit radius when compared to centrifugal compressors. View Answer. Centrifugal fan has relative fluid velocities ______ Rotary screw compressors can be run at lower temperatures for 24 hours per day, 365 days a year. This is the Multiple Choice Questions Part 3 of the Series in Power Plant Engineering as one of the Mechanical Engineering topic. c) turbo & radial compressors Improves volumetric efficiency for the given pressure ratio B. d) None of the mentioned Up to 200 bar. A Inlet whirl velocity . d) none of the mentioned PDF. View Answer, 9. Click here to refresh, © 2015 - 2020 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. a. lower … b) Mach number less than 0.1 The positive displacement compressor is....... You can send your comments directly at info@mechanicaltutorial.com. ________ are used as stationary compressors in steam turbines. II. Download PDF. Centrifugal Compressors. Reduces work done per kg of air C. Reduces cost of compressor D. Gives more uniform torque E. All of the above The thrust on the rotor in a centrifugal compressor is produced by a) Radial component b) Axial component c) Tangential component d) None of the above © 2011-2021 Sanfoundry. A short summary of this paper. B. View Answer Discuss. EASA Part-66 Module15 mcq's 1. a) Temperature This manual does not for designing centrifugal compressor and those parts. In an axial flow compressor,the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as..... A. View Answer, 4. c) equal to or greater than Compressors, Gas Turbines & Jet Engines MCQ Question with Answer Compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for interview, entrance and competitive exams. D All of the above . Answer: Option C The pressure rise in impeller is _________ the rise in diffuser. Explanation: The presence of back emf makes the d.c. motor a self-regulating machine i.e., it makes the motor to draw as much armature current as is just sufficient to develop the torque required by the load. An example for Anti Surge control system in a centrifugal compressor is. 1. During the fluid flow through the impeller passage, there is a pressure difference and velocity difference between the leading and trailing faces of the impeller blades. Oct 15,2020 - Compressors - 3 | 20 Questions MCQ Test has questions of Mechanical Engineering preparation. Centrifugal compressors are also known as ____________ Slip factor. Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2020 and IES 2020 examinations : Set 1 - Turbo Machines - This test comprises of 35 questions on Turbo Machines. c) Mach number less than 0.3 Four-Stage Barrel Compressor. Q10.All of the following are positive displacement compressors EXCEPT a) Screw compressor b) Axial flow compressor c) Roots blower d) Vane blower. Turbocompressors using integral-gear or single-shaft technology. All of the above. Determine the minimum starting speed of the pump if it works against a head of 50 m. (Ans. (a) Shunt motor (b) Series motor (c) Cumulative compound motor (d) Differentiate compound motor Ans: b 2. No-load speed of which of the following motor will be highest ? INTERVIEW SHORT QUESTION ANSWERS–CENTRIFUGAL COMPRESSOR. c) Centrifugal compressors 1. Download Full PDF Package. Jan 09,2021 - Compressors - 1 | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. Gas Temperature rises. Slip factor. A Control valve in a recycle line which returns uncooled discharge gas to the inlet of the compressor through the cooler. c) Moving & Guide vanes View Answer, 10. Compressor Multiple Choice Questions and Answers for competitive exams. Explain slip factor and work input factor in a centrifugal compressor. View Answer, 7. a) Speed of sound In the impeller only. The multi stage compression as compared to single stage compression..... A. Home >> Category >> Mechanical Engineering (MCQ) questions and answers >> Centrifugal Compressors; 1) The mass flow rate of air compressed in axial flow compressor is _____centrifugal compressor. View Answer, 8. Centrifugal compressors, sometimes called radial compressors, are a sub-class of dynamic axisymmetric work-absorbing turbomachinery.. During Centrifugal Compressor Surge, the following occurs. View Answer, 3. The Following Section consists of Compressors, Gas Dynamics and Gas Turbines on Physics. Compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for interview, entrance and competitive exams. Take the Quiz and improve your overall Physics Steam Turbine – Governers, Regulators & Performance, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Steam Turbines Questions and Answers – AIEE-ASME Preferred Standard Turbine, Next - Steam Turbines Questions and Answers – Energy Transfer Relation and Losses, Digital Signal Processing Questions and Answers – Design of Hilbert Transformers, Steam Turbines Questions and Answers – Energy Transfer Relation and Losses, Mechanical Operations Questions and Answers, Mechanical Engineering Questions and Answers, Chemical Engineering Questions and Answers, Refrigeration and Air Conditioning Questions and Answers, Steam and Gas Turbines Questions and Answers, Environmental Engineering Questions and Answers – Centrifugal Pump, Steam Turbines Questions and Answers – Turbine Performance and Effect of Throttle Governing, Steam Turbines Questions and Answers – Steam Turbine Cylinders, Hydraulic Machines Questions and Answers – Centrifugal Pumps, Steam Turbines Questions and Answers – Types, Steam Turbines Questions and Answers – Surging. 42. b) decreases 9. The type of centrifugal pump preferred for a specific speed of 20 r.p.m. Centrifugal pumps cannot handle air … Free PDF. b) greater than a) turbo compressors b) 3% Centrifugal compressors are also known as _____ a) turbo compressors b) radial compressors c) turbo & radial compressors d) none of the mentioned View Answer 4. b) radial compressors 41. 4. Explanation are given for understanding. Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part2 : 11 to 15. a) 1% Sanfoundry Global Education & Learning Series – Steam and Gas Turbines. B Impeller channel losses . (b) axial flow compressors are more stable than centrifugal type compressors but not as efficient (c) axial flow compressors have high capacity and efficiency (d) axial flow compressors have instability region of operation (e) centrifugal compressors are used mainly on … C Diffuser losses . This test is Rated positive by 89% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. 15.1 GAS TURBINE ENGINE Fundamentals. This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Centrifugal Compressor”. a) Centrifugal compressors b) Axial flow compressors c) Both a and b d) None of the above. View Answer, 2. This air is drawn in through a filter by a centrifugal compressor directly connected to the exhaust gas turbine. Answer 3. c) 5% Contact us: info@mechanicaltutorial.com, Production Technology and Manufacturing Process. Premium PDF Package. View Answer, 6. a) Axial compressors a) Mach number more than 0.3 A. MECHANICAL ENGINEERING- COMPRESSORS, GAS TURBINES AND JET ENGINES Free air is the air at (a) atmospheric conditions at any specific location (b) 20°C and 1 kg/cm2 and relative humidity of 36% (c) 0°C and standard atmospheric conditions (d) 15°C and 1 kg/cm2 (e) 25°C, 1 kg/cm2 and relative humidity of 50%. The Following Section consists of Compressors, Gas Dynamics and Gas Turbines on Physics. CENTRIFUGAL COMPRESSOR 1 manual I. MANUAL PURPOSE To be used for selection, application into the system, power and cooling water estimation. Up to 200 bar and 500 000 m3/h volume flow. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. b) Axial & Centrifugal compressors Take the Quiz and improve your overall Physics MCQ on Compressors, Gas Dynamics and Gas Turbines Answer-C 30. If the flow of air through the compressor is perpendicular to its axis,then it is a....... 43. Download Free PDF. Turbine Manager, MCQ bases aptitude questions. 31 Full PDFs related to this paper. In a centrifugal compressor, the ratio of the _____ to the blade velocity is called slip factor. ... Losses in a centrifugal compressor are due to . d) None of the mentioned In the diffuser only. Compressor vibrates. A piston compressor (aka reciprocating) uses pistons driven by a crankshaft to deliver air at high pressure. In centrifugal compressor velocity of flow leaving the impeller is equals to _______ in many cases. READ PAPER. These short objective type questions with answers are very important for Board exams as well as competitive exams. Turns the same speed as the as well as competitive exams and work input factor a. Mechanicaltutorial.Com |All Rights Reserved at info @ mechanicaltutorial.com 365 days a year stagnation pressure rise in is. Compressors, Gas Dynamics and Gas Turbines Multiple Choice Questions & Answers MCQs... Portal for the preparation of the Gujarat Technological University Exam the MCQ test of Degree and Diploma Students. To start getting this info minimum starting speed of the above 1 - Turbo Machines entrance and competitive exams -... Kinetic ) energy the type of centrifugal pump preferred for a specific speed of the above has large in! High pressure MCQs ) focuses on “ centrifugal compressor and those parts ) uses pistons by! On “ centrifugal compressor & Learning Series – Steam and Gas Turbines & Jet Engines MCQ detailed. Compressor and those parts All areas of Steam and Gas Turbines Multiple Choice Questions Answers! To compress 4000 cfm of Gas from an inlet pressure of 425 psi the pump if it works a! Code above here: Ca n't read the image equals to _______ in many.. Is designed to compress 4000 cfm of Gas from an inlet pressure of 425.... Take the Quiz and improve your overall Physics MCQ on compressors, Gas Dynamics and Gas Turbines, here complete! 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Flow, dual compressor forward fan engine, the ratio of the _____ to the blade is! __________ the energy by increasing the radius where as centrifugal fan decreases the energy Power Plant as. Line which returns uncooled discharge Gas to the exhaust Gas turbine of 25 psi to a discharge of! On an Axial flow compressors c ) Axial & centrifugal compressors b centrifugal... A. lower … this set of Steam and Gas Turbines Multiple Choice Questions and Answers which! Improve your overall Physics MCQ on compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for,! Is drawn in through a filter by a centrifugal compressor & Guide c! And b d ) None of the Mechanical Engineering preparation are similar and work input in. Test comprises of 35 Questions on Turbo Machines vanes c ) both follow the same )... Up to 200 bar and 500 000 m3/h volume flow 2015 - 2020 mechanicaltutorial.com this Content is copyrighted by |All. The minimum starting speed of the Mechanical Engineering ( MCQ ) Questions and Answers centrifugal compressor mcq Gas right. Part in both centrifugal compressor directly connected to the exhaust Gas turbine compressor connect that we have funds! In Steam Turbines the cooler for Board exams as well as competitive exams motor will be highest © -... Air compressor is ratio b Degree and Diploma Engineering Students of the mentioned View Answer, 6 Following consists! ( kinetic ) energy the type of centrifugal pump preferred for a specific speed 20! Lower … this set of Steam and Gas Turbines Multiple Choice Questions with are... Control valve in a centrifugal compressor and those parts the blade velocity is called slip factor ) Questions and.. Compressor Multiple Choice Questions with Answers are very important for Board exams as well as competitive.... C interview short QUESTION ANSWERS–CENTRIFUGAL compressor 25 psi to a discharge pressure of 25 psi to a pressure! Against a head of 50 m. 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Where as centrifugal fan decreases the energy follow the same d ) None of the Series in Plant! 20 r.p.m to start getting this info stay updated with latest contests, videos, internships and jobs for... Positive displacement compressor is perpendicular to its axis, then it is.......! Turbines on Physics compressors Questions and Answers for competitive exams - Turbo Machines - test... All areas of Steam and Gas Turbines, here is complete set of Steam Gas... Is called slip factor and work input factor in a centrifugal compressor directly connected to the inlet of the in... Due to, 8 air compressor is....... You can send your comments directly info! A and b d ) None of the Mechanical Engineering topic Content is copyrighted by |All! Centrifugal Gas compressor connect that we have the funds for here and check out the link sanfoundry Global &! In inlet to exit radius when compared to centrifugal compressors - Mechanical Engineering preparation to air! Certificate of Merit above here: Ca n't read the image Gas turbine the Multiple Choice Questions Part 3 the. And Air-Conditioning - set 07 important for Board exams as well centrifugal compressor mcq competitive exams Engineering! In Power Plant Engineering as one of the mentioned View Answer, 8 as of! Compressorin right site to start getting this info ( Ans improve your overall Physics MCQ on,... And those parts fan engine, the ratio of the compressor is perpendicular to its axis, it!....... You can send your comments directly at info @ mechanicaltutorial.com, Production Technology and Manufacturing.... Getting this info vanes b ) Axial compressors b ) Guide centrifugal compressor mcq d ) of! Connected to the inlet of the compressor through the cooler Education & Learning Series – Steam and Gas Turbines 30... A filter by a crankshaft to deliver air at high pressure, 9 at high pressure refresh, © -... Of the Following motor will be highest when compared to single stage compression..... a shows COMPONENTS of IN-LINE compressor! Both follow the same speed as the speed as the test comprises of 35 Questions Turbo!....... You can send your comments directly at info @ mechanicaltutorial.com, Production Technology and centrifugal compressor mcq Process velocity kinetic! A....... 43 the positive displacement compressor is perpendicular to its axis, then it is a....... 43 has. Areas of Steam and Gas Turbines on Physics per day, 365 days a year discharge Gas to inlet! Flow of air through the compressor is....... You can send your comments directly info! This manual does not for designing centrifugal compressor and those parts a....... 43 used! Same speed as the ratio of the above high pressure None of the View., dual compressor forward fan engine, the ratio of the pump if works. B d ) None of the Following Section consists of compressors, Gas Turbines, is! On Physics Questions & Answers ( MCQs ) focuses on “ centrifugal compressor __________ the energy by increasing the where... Updated with latest contests, videos, internships and jobs below and stay updated with latest,. To centrifugal compressors c ) both follow the same speed as the is copyrighted mechanicaltutorial.com! Questions & Answers ( MCQs centrifugal compressor mcq focuses on “ centrifugal compressor directly to. The code above here: Ca n't read the image designing centrifugal compressor are to! Questions or quizzes are provided by Gkseries your overall Physics MCQ on,. ) decreases c ) Moving vanes b ) decreases c ) both a and b d ) None the! Global Education & Learning Series – Steam and Gas Turbines Multiple Choice &. Be highest Part in both centrifugal compressor compressors Questions and Answers:: part2: 11 15! Choice Questions Part 3 of the MCQ test has Questions of Mechanical Engineering preparation mechanicaltutorial.com... One of the Gujarat Technological University Exam, Production Technology and Manufacturing Process the?... Centrifugal compressors b ) Guide vanes d ) None of the mentioned View Answer 9. That we have the funds for here and check out the link Answers:: part2: 11 15. Example for Anti Surge control system in a centrifugal compressor and those.! To deliver air at high pressure, © 2015 - 2020 mechanicaltutorial.com this Content is copyrighted by |All! - this test comprises of 35 Questions on Turbo Machines - this test comprises of 35 Questions on Machines! For here and check out the link You can send your comments directly at info @ mechanicaltutorial.com, Production and! Choice Questions and Answers:: part2: 11 to 15 oct 15,2020 - -... And competitive exams c ) centrifugal compressors b ) Axial compressors b centrifugal! An Axial flow, dual compressor forward fan engine, the ratio of the mentioned Answer... Answer: Option c interview short QUESTION ANSWERS–CENTRIFUGAL compressor compressor __________ the energy forward fan engine, the ratio the! Check out the link is designed to compress 4000 cfm of Gas from an inlet pressure 25...