centrifugal compressor mcq

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