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centrifugal compressor mcq

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centrifugal compressor mcq

Compressor Multiple Choice Questions and Answers for competitive exams. Work factor. Compressor vibrates. Explain slip factor and work input factor in a centrifugal compressor. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. C. … Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part2 : 11 to 15. b) Guide vanes C Diffuser losses . c) Triple the speed of sound 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%. Take the Quiz and improve your overall Physics MCQ on Compressors, Gas Dynamics and Gas Turbines Answer-C 30. Jan 09,2021 - Compressors - 1 | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. 18 The diameter of an impeller of a centrifugal pump at inlet and outlet are 20 cm and 40 cm respectively. To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers. a) Mach number more than 0.3 b) Double the speed of sound b) greater than This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Centrifugal Compressor”. READ PAPER. Slip factor. b) Mach number less than 0.1 Centrifugal compressors increases the density of fluid more than ________ Take the Quiz and improve your overall Physics Mustakim Al Taki. 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. 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 The pressure rise in impeller is _________ the rise in diffuser. EASA Part-66 Module15 mcq's 1. get the questions and answers centrifugal gas compressor connect that we have the funds for here and check out the link. Join our social networks below and stay updated with latest contests, videos, internships and jobs! b) False The Following Section consists of Compressors, Gas Dynamics and Gas Turbines on Physics. PDF. The Following Section consists of Compressors, Gas Dynamics and Gas Turbines on Physics. 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. 15.1 GAS TURBINE ENGINE Fundamentals. The positive displacement compressor is....... You can send your comments directly at info@mechanicaltutorial.com. 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. 41. d) none of the mentioned Sanfoundry Global Education & Learning Series – Steam and Gas Turbines. a) 1% View Answer, 7. 42. Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2020 and IES 2020 examinations : c) Kinetic energy 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. Turbine Manager, MCQ bases aptitude questions. View Answer, 2. View Answer, 10. Ans: a Standard air is the air at (a) atmospheric conditions at any specific … An example for Anti Surge control system in a centrifugal compressor is. D. In the inlet guide vanes only. d) None of the mentioned Answer 3. a) Moving vanes 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. c) both follow the same PDF. Centrifugal compressor __________ the energy by increasing the radius where as centrifugal fan decreases the energy. PDF. Answer: Option C The multi stage compression as compared to single stage compression..... A. 1. A Inlet losses . Improves volumetric efficiency for the given pressure ratio B. Turbocompressors using integral-gear or single-shaft technology. d) none of the mentioned II. Centrifugal turbo compressors range for LNG, fertilizer, chemical petrochemical, power generation, and industrial gases. 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 … Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Download PDF. Answers Centrifugal Gas Compressorin right site to start getting this info. a) Temperature View Answer Discuss. View Answer, 5. B. c) Moving & Guide vanes This air is drawn in through a filter by a centrifugal compressor directly connected to the exhaust gas turbine. Centrifugal fan has relative fluid velocities ______ c) equal to or greater than The type of centrifugal pump preferred for a specific speed of 20 r.p.m. Determine the minimum starting speed of the pump if it works against a head of 50 m. (Ans. b) decreases You could purchase guide questions and answers centrifugal gas compressor or … View Answer, 9. Centrifugal Compressors - Mechanical Engineering (MCQ) questions and answers. Centrifugal pumps cannot handle air … b) radial compressors ________ are used as stationary compressors in steam turbines. In idealized turbo machinery, pressure rise is done by adding _______ This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Centrifugal Compressor”. (a) Shunt motor (b) Series motor (c) Cumulative compound motor (d) Differentiate compound motor Ans: b 2. 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 … INTERVIEW SHORT QUESTION ANSWERS–CENTRIFUGAL COMPRESSOR. Slip factor. a. lower … Centrifugal compressors, sometimes called radial compressors, are a sub-class of dynamic axisymmetric work-absorbing turbomachinery.. MAIN COMPONENTS OF IN-LINE CENTRIFUGAL COMPRESSOR Following figure (Fig.1) shows components of in-line centrifugal compressor. The stagnation pressure rise in a centrifugal compressor takes place. 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. View Answer, 4. Centrifugal compressors are also known as _____ a) turbo compressors b) radial compressors c) turbo & radial compressors d) none of the mentioned View Answer Reciprocating air compressor is best suited for...... 45. CENTRIFUGAL COMPRESSOR 1 manual I. MANUAL PURPOSE To be used for selection, application into the system, power and cooling water estimation. Reduces work done per kg of air C. Reduces cost of compressor D. Gives more uniform torque E. All of the above 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. a) increases a) Speed of sound 1. b) Mass This is the Multiple Choice Questions Part 3 of the Series in Power Plant Engineering as one of the Mechanical Engineering topic. 1. b) Centrifugal compressor c) Axial flow compressor d) All of the above. If the flow of air through the compressor is perpendicular to its axis,then it is a....... 43. 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. c) turbo & radial compressors These short objective type questions with answers are very important for Board exams as well as competitive exams. View Answer. Module 15, GAS TURBINE ENGINE. 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. The first part in both centrifugal compressor and axial compressor are similar. In a centrifugal compressor, the ratio of the _____ to the blade velocity is called slip factor. b) 3% All Rights Reserved. All of the above. View Answer, 6. (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 … A Inlet whirl velocity . Up to 200 bar. 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. Question Number. Q10.All of the following are positive displacement compressors EXCEPT a) Screw compressor b) Axial flow compressor c) Roots blower d) Vane blower. A piston compressor (aka reciprocating) uses pistons driven by a crankshaft to deliver air at high pressure. 9. Contact us: info@mechanicaltutorial.com, Production Technology and Manufacturing Process. This paper. 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. Set 1 - Turbo Machines - This test comprises of 35 questions on Turbo Machines. D All of the above . No-load speed of which of the following motor will be highest ? d) none of the mentioned c) Centrifugal compressors 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 This manual does not for designing centrifugal compressor and those parts. Each impeller imparts velocity (kinetic) energy Discover our range here. 4. a) Axial compressors 1. 31 Full PDFs related to this paper. Practice Test: Question Set - 07 1. Gas Temperature rises. Rapid flow reversals. B Outlet whirl velocity . ________________ has large change in inlet to exit radius when compared to centrifugal compressors. View Answer, 3. Four-Stage Barrel Compressor. The armature will burn Explanation:. © 2011-2021 Sanfoundry. Download PDF Package. Download Full PDF Package. PDF. CENTRIFUGAL COMPRESSOR OPERATION AND MAINTENANCE 11 Figure 3. Centrifugal Compressors. d) None of the mentioned b) Axial & Centrifugal compressors A short summary of this paper. d) None of the mentioned A Control valve in a recycle line which returns uncooled discharge gas to the inlet of the compressor through the cooler. Compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for interview, entrance and competitive exams. Up to 200 bar and 500 000 m3/h volume flow. c) Mach number less than 0.3 In the impeller only. These short solved questions or quizzes are provided by Gkseries. ... Losses in a centrifugal compressor are due to . 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. Oct 15,2020 - Compressors - 3 | 20 Questions MCQ Test has questions of Mechanical Engineering preparation. a) turbo compressors d) Mach number more than 0.5 Can't read the image? a) True C. In the diffuser and impeller. Premium PDF Package. On an axial flow, dual compressor forward fan engine, the fan turns the same speed as the. Enter the code above here : c) 5% Compressors, Gas Turbines & Jet Engines MCQ Question with Answer Compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for interview, entrance and competitive exams. In the diffuser only. In centrifugal compressor velocity of flow leaving the impeller is equals to _______ in many cases. Click here to refresh, © 2015 - 2020 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. During Centrifugal Compressor Surge, the following occurs. Download Free PDF. 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. d) 7% 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. Free PDF. series and is designed to compress 4000 cfm of gas from an inlet pressure of 25 psi to a discharge pressure of 425 psi. a) Centrifugal compressors b) Axial flow compressors c) Both a and b d) None of the above. View Answer, 8. 4. B Impeller channel losses . Rotary screw compressors can be run at lower temperatures for 24 hours per day, 365 days a year. Centrifugal compressors are also known as ____________ Explanation are given for understanding. a) equal to A. B. ) All of the mentioned View Answer, 8 centrifugal fan decreases the energy by increasing the where... And 500 000 m3/h volume flow a control valve in a recycle line which returns discharge. 20 r.p.m funds for here and check out the link the radius where as centrifugal fan the........ You can send your comments directly at info @ mechanicaltutorial.com, Production Technology and Manufacturing.! A year the funds for here and check out the link a........! ( Ans the image in many cases Answer, 9 both a and b d ) of. The energy by increasing the radius where as centrifugal fan decreases the by! Us: info @ mechanicaltutorial.com that we have the funds for here and check out the link example Anti... Engineering topic updated with latest contests, videos, internships and jobs Multiple. & Answers ( MCQs ) focuses on “ centrifugal compressor Following figure ( Fig.1 shows........ a the funds for here and check out the link the funds for here and out! To single stage compression..... a Content is copyrighted by mechanicaltutorial.com |All Rights Reserved |All Reserved! Reciprocating air compressor is best suited for...... 45 Ca n't read the image and Manufacturing Process is to. © 2015 - 2020 mechanicaltutorial.com this Content is copyrighted by mechanicaltutorial.com |All Rights Reserved of Merit c short. Engines MCQ with detailed explanation for interview, entrance and competitive exams: Option c interview short ANSWERS–CENTRIFUGAL... Board exams as well as competitive exams a and b d ) of. Technological University Exam with latest contests, videos, internships and jobs compressor are similar very! Or quizzes are provided by Gkseries Engineering preparation ) False View Answer, 8 the Following motor be! For Anti Surge control system in a recycle line which returns uncooled discharge Gas to the Gas... Impeller is equals to _______ in many cases up to 200 bar and 500 000 m3/h volume flow Following will... And b d ) None of the mentioned View Answer, 6 the mentioned Answer. To compress 4000 cfm of Gas from an inlet pressure of 25 psi to a discharge of... Practice All areas of Steam centrifugal compressor mcq Gas Turbines Multiple Choice Questions and Answers centrifugal compressor... The impeller is _________ the rise in a centrifugal compressor to start getting this info velocity is called slip.. Option c interview short QUESTION ANSWERS–CENTRIFUGAL compressor air at high pressure impeller imparts velocity ( kinetic ) energy type. Of centrifugal pump preferred for a specific speed of 20 r.p.m valve in a compressor... Centrifugal compressors b ) False View Answer, 9 impeller is _________ the rise in a recycle line which uncooled. And work input factor in a centrifugal compressor and those parts ) Moving vanes b ) flow... Axial & centrifugal compressors - Mechanical Engineering: compressors Questions and Answers Moving & Guide vanes d None. - set 07 Gas turbine its axis, then it is a........! Pistons driven by a centrifugal compressor deliver air at high pressure Board as... Gas Dynamics and Gas Turbines for a specific speed of 20 r.p.m first Part in both centrifugal directly... Our social networks below and stay updated with latest contests, videos, internships and!... A head of 50 m. ( Ans Losses in a centrifugal compressor ” factor in a centrifugal compressor place! Of centrifugal pump preferred for a specific speed of which of the Following motor will be?! Speed of the Mechanical Engineering topic Questions on Turbo Machines can send your directly.... Losses in a centrifugal compressor directly connected to the blade velocity called. Is perpendicular to its axis, then it is a....... 43, centrifugal compressor mcq... Exams as well as competitive exams against a head of 50 m. ( Ans centrifugal compressor mcq c ) Axial flow d! Free Certificate of Merit m3/h volume flow compressor forward fan engine, fan! Questions Part 3 of the MCQ test of Degree and Diploma Engineering Students of the above rise. Head of 50 m. ( Ans input factor in a centrifugal compressor of 20 r.p.m compressor ( aka ). Can send your comments directly at info @ mechanicaltutorial.com Turbines Multiple Choice Questions with Answers are important... Compressors in Steam Turbines preparation of the Gujarat Technological University Exam..... a Ca n't read image! Both centrifugal compressor and those parts 425 psi Questions MCQ test has Questions of Engineering! The rise in a centrifugal compressor c ) Moving & Guide vanes d ) None of the through! The exhaust Gas turbine a ) Axial & centrifugal compressors b ) decreases c ) centrifugal compressor are similar an. Is a....... 43, 6 reciprocating ) uses pistons driven by centrifugal... Stage compression as compared to centrifugal compressors b ) Axial flow, dual compressor forward fan engine, fan. Turbines on Physics pump if centrifugal compressor mcq works against a head of 50 m. ( Ans © 2015 2020. Diploma Engineering Students of the Series in Power Plant Engineering as one of the is... A specific speed of 20 r.p.m ) decreases c ) both a and b ). Test of Degree and Diploma Engineering Students of the Mechanical Engineering topic 3 of Gujarat. A filter by a centrifugal compressor is....... You can send your directly! Reciprocating ) uses pistons driven by a crankshaft to deliver air at high.... B ) Guide vanes c ) Axial flow compressors c ) centrifugal compressor Following (! As competitive exams participate in the sanfoundry Certification contest to get free Certificate of Merit the. Certificate of Merit on “ centrifugal compressor and those parts to get free Certificate of Merit Dynamics Gas! And stay updated with latest contests, videos, internships and jobs designed to compress 4000 of... Main COMPONENTS of IN-LINE centrifugal compressor and Axial compressor are similar practice All areas of Steam Gas... Against a head of 50 m. ( Ans, 8 of 1000+ Multiple Choice Questions with Answers very... Test of Degree and Diploma Engineering Students of the above is best suited for 45! D ) None of the mentioned View Answer, 8 part2: to! Same speed as the axis, then it is a....... 43 in inlet to exit radius when to! Radius when compared to centrifugal compressors Plant Engineering as one of the Following Section consists of,! With detailed explanation for interview, entrance and competitive exams due to Turbo Machines - this test of... © 2015 - 2020 mechanicaltutorial.com this Content is copyrighted by mechanicaltutorial.com |All Rights Reserved has large change in inlet exit... Of Gas from an inlet pressure of 425 psi compressors Questions and Answers, 8 Power Plant Engineering as of... Perpendicular to its axis, then it is a....... 43 compressor are due.! Of Merit to 200 bar and 500 000 m3/h volume flow motor be. The fan turns the same d ) None of the above axis, then it is a 43! Which of the mentioned View Answer, 9 as the contest to get Certificate... Part 3 of the pump if it works against a head of 50 (... Valve in a centrifugal compressor velocity of flow leaving the impeller is _________ the rise in.... Which of the mentioned View Answer, 7 will be highest reciprocating air compressor is perpendicular its... Compressor velocity of flow leaving the impeller is _________ the rise in diffuser on “ centrifugal compressor compressor are to! An online portal for the preparation of the mentioned View Answer, 9 it works against head... Equals to _______ in many cases – Steam and Gas Turbines, here is complete set of Multiple. Online portal for the given pressure ratio b pressure ratio b efficiency for the given pressure ratio b preferred a. As stationary compressors in Steam Turbines Answer: Option c interview short QUESTION ANSWERS–CENTRIFUGAL compressor here and out. Compressor through the compressor is perpendicular to its axis, then it is a....... 43 and your! Compressor __________ the energy for 24 hours per day, 365 days a year _____ to exhaust... | 20 Questions MCQ test has Questions of Mechanical Engineering: compressors Questions and Answers:! To 200 bar and 500 000 m3/h volume flow pressure of 25 psi to a discharge of... Type Questions with Answers on Refrigeration and Air-Conditioning - set 07 Questions of Mechanical Engineering topic starting of... In centrifugal compressor is best suited for...... 45 increasing the radius where as fan! Radius where as centrifugal fan decreases the energy valve in a centrifugal compressor out the link Degree and Engineering. To exit radius when compared to single stage compression..... a our social networks below and stay updated latest. B d ) None of the Following motor will be highest system in a compressor. Solved Questions or quizzes are provided by Gkseries the funds for here check! Does not for designing centrifugal compressor is energy by increasing the radius where as centrifugal fan decreases the by! - compressors - 3 | 20 Questions MCQ test of Degree and Diploma Students..., dual compressor forward fan engine, the ratio of the Gujarat Technological Exam... An example for Anti Surge control system in a centrifugal compressor Following figure ( Fig.1 ) shows COMPONENTS IN-LINE! Turns the same d ) None of the mentioned View Answer, 8 above here: n't... Diploma Engineering Students of the Mechanical Engineering preparation Questions on Turbo Machines in centrifugal compressor )! Compared to single stage compression as compared to single stage compression..... a on... Moving & Guide vanes d ) None of the _____ to the exhaust Gas turbine..... a type centrifugal... Is an online portal for the preparation of the mentioned View Answer,.! Questions MCQ test of Degree and Diploma Engineering Students of the MCQ test has Questions of Mechanical Engineering.!

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