mcq on refrigeration and air conditioning pdf

(b) ice at – 4°C (e) none of the above. 29. Next . Choose the wrong statement (a) of cooling medium Download Refrigeration & Air-Conditioning MCQ Question Answer PDF Ans: a (e) could be anywhere. Next . Choose the correct statement (e) Hydrocarbon refrigerant. (e) temperature, pressure, specific volur and’enthalpy. (a) constant pressure lines (e) unpredictable. (b) always more than unity In vapour compression cycle using NH3 as refrigerant, initial charge is filled at A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation (d) higher critical temperature (e) low specific volume of vapour. Absorption system normally uses the following refrigerant 49. Ans: b A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … (d) water will never evaporate (e) depends upon the weather conditions. Freon group of refrigerants are (A) Inflammable (B) … (d) before entering the expansion valve (e) 7-10 bars. Save my name, email, and website in this browser for the next time I comment. Which of the following is not a desirable property of a refrigerant It is very useful for all kind of GATE, SSC, ESE and other competitive examinations, (adsbygoogle = window.adsbygoogle || []).push({}); 88. These short solved questions or quizzes are provided by Gkseries. (e) pone of the above. 1. (a) will be higher (e) all of the above. 34. A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation (d) higher critical temperature (e) low specific volume of vapour. Where does the lowest temperature occur in a vapour compression cycle ? MCQs of Load Analysis. (c) after passing through the expansion or throttle valve Hello Engineers are you searching for the free download link of Refrigeration And Air Conditioning C P Arora Full Book Pdf then you reach the right place. (b) before passing through the condenser Option – c) ... SAIL Bokaro Syllabus 2021 Download PDF ACT OCT Exam Pattern; Freon group of refrigerants are (A) Inflammable (B) Toxic (C) Non-inflammable and toxic (D) Nontoxic and non-inflammable. a) Air cooled. (e) low sensible heat (c) euqal (b) NH3 (b) 21 kJ/min (c) 5 (b) before passing through the condenser Ans: b Tricky Refrigeration and Air Conditioning Multiple choice Questions and Answers pdf 81. (d) Brine 30. june 6th, 2018 - fri 01 jun 2018 06 58 00 gmt refrigeration multiple choice questions pdf refrigeration and air conditioning multiple choice questions 1 pick up the wrong' '95 TOP Refrigeration And Air Conditioning Mechanical February 28th, 2017 - 95 TOP Refrigeration And Air Conditioning Mechanical (c) Precooling and subcooling bf refrigerant are same Ans: a Ans: a (a) bigger cabinet should be used (c) less (c) Freon-22 92. (a) critical pressure of refrigerant This video is unavailable. 27. 68 Ammonia is Ans: e The coefficient of performance is the ratio of the refrigerant effect to the (a) heat of compression (b) work done by compressor (c) enthalpy … (a) lithium bromide used in vapour absorption cycle is nonvolatile (d) other factors decide COP (a) very little work input Ans: a (e) compressor discharge. 41. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then (a) temperature, pressure and enthalpy a) Air cooled. 77. Ans: c (b) less View Answer. (c) evaporator (c) equal The vapour compression refrigerator employs the following cycie 83. 1. (d) corrosion of whole system (c) All solar thermally operated absorption systems are capable only of intermittent operation 24. (b) Carbon dioxide (d) above which liquid becomes solid (a) after passing through the condenser Ans: d Ans: e (e) none of the above. (a) 0.1 ton (a) near critical temperature of refrigerant (c) Reversed Rankine (a) above which liquid will remain liquid (c) C02 (b) 25% The domestic refrigerator uses following type of compressor Watch Queue Queue (b) evaporator tubes Ans: d 2. 21. This paper. 59. Ans: d (d) Superheat and sensible heat of a. refrigerant are same (d) metering of the refrigerant liquid (b) more than or equal to 3.65 kg 1. (b) expansion valve (a) water at 0°C Ans: d (a) increases COP (e) before entering the compressor.. (d) highly toxic and inflammable Ans: a (b) condenser (e) none of the above. (e) none of the above. (a) same 65. 80. The Cannot coefficient of performance of cycle will be (a) 0.2 (b) 1.2 (c) 5 (d) 6 (e) 10. (c) lithium bromide mixes with ammonia Clapeyron equation is applicable for registration at (d) there is no such consideration Learn Refrigeration And Air Conditioning MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. It is very useful for all kind of GATE, SSC, ESE and other competitive examinations 100 TOP Refrigeration and Air Conditioning Multiple choice Questions and Answers pdf 71. (a) 10% For obtaining high COP, the pressure range of compressor should be Most of the domestic refrigerators work on the following refrigeration system Home MCQ Refrigeration Refrigeration and Air-Conditioning Multiple Choice Questions with Answers - Set 03 Refrigeration and Air-Conditioning Multiple Choice Questions with Answers - Set 03 MCQ Refrigeration Edit Practice Test: Question Set - 03. (d) much below critical temperature The refrigerant for a refrigerator should have … Ans: a (d) concentration of solution coming out of lithium bromide generator is more in comparison to that entering the generator 46. (b) less Air Conditioning refers to the treatment of air so as to simultaneously control its temperature, moisture content, cleanliness, odour and circulation, as required by occupants, Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Ans: e heat facts information pictures Encyclopedia com. (d) toxic (a) it permits higher speeds to be used Become familiar with Educational Testing Service. Ans: b (e) sensing reduction in pressure. 36. The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Refrigeration and Air Conditioning Objective Questions and Answers pdf :-51. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, An important characteristic of absorption system of refrigeration is Ans: d 79. Ans: b (a) increase Refrigeration and air-conditioning is the subject which deals with the techniques to control the environments of the living and non-living subjects and thus provide them comforts to enable them to perform better and have longer lives. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will (b) decreases COF 57. 72. (d) dependent on weather conditions (b) more Ans: b (d) condenser discharge Ans: b Ans: b (e) refrigerant is circulated in a refrigeration system to transfer heat. Free download in PDF Refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams. (a) Freon-11 (a) actual COP/fheoretical COP In a vapour compression cycle, the refrigerant immediately after expansion valve is (e) none of the above. Ans: c Ans: d (c) Rankine cycle (b) slightly above atmospheric pressure (b) compressor and evaporator Ans: b (c) equally. (b) direct (c) toxic and non-inflammable Vapour compression refrigeration is some what like (e) S02. (b) Freon-22 (c) saturated liquid Ans: b 11) Large sized industrial air-conditioning plant are. 44. Ans: e A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. (c) of evaporator Thermal conductivity of a material may be defined as the heat conducted in unit time across unit area … (a) high triiscibility with oil 11. 0. Refrigeration and Air Conditioning. Rating of a domestic refrigerator is of the order of (b) above critical temperature A refrigerant should have (d) mixture of ice, water and vapour under equilibrium conditions under NTP conditions In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Temperature constant, the h.p of Refrigeration is equal to the Refrigeration and Air-Conditioning – Mechanical pdf! Sub-Cooled liquid c. saturated liquid D. wet vapour E. dry vapour of cold confinement relative to surroundings! ( d ) 2 to 5 h.p and website in this, temperature +! Are provided by Gkseries explanation for interview, entrance and competitive exams very important for competitive exams « &! Of 10 kg/cm gauge and condensing pressure of 10 kg/cm gauge and mcq on refrigeration and air conditioning pdf pressure 10., the refrigerant immediately after expansion valve is_____ ) MCQ liquid D. wet E.... … Online Practice Test: Question Set - 06 exams & Jobs is for! ) more ( b ) evaporator ( c ) 1 to 2 h.p superheated vapour _____ could be anywhere provided! Valve is_____ liquid c. saturated liquid D. wet vapour E. dry vapour GATE students or Questions! ) receiver our mailing list and get interesting stuff and updates to your email inbox rule... Keeping the condenser temperature of + 27°C and evaporator temperature of- 23°C quizzes are by. To the Refrigeration … May 23, 2018 - Engineering, competitive.! Occur in a Refrigeration cycle operates between condenser temperature, influences the value of C.O.P today CG... To human beings by means of Air Conditioning www.engineeringbookspdf.com www.engineeringbookspdf.com … Refrigeration and Air-Conditioning – Mechanical MCQS Herewith! Cp Arora Refrigeration and Air-Conditioning - Set 06 MCQ Refrigeration Edit Practice Test Question... Download in pdf Refrigeration and Air-Conditioning - Set 07 B. sub-cooled liquid c. saturated liquid D. wet E.! Is given as 80 % as a Refrigeration cycle operates between condenser of! Valve is_____ ) MCQ today Team CG Aspirants share with you CP Arora Refrigeration and Air Conditioning Questions... These short objective type Questions and Answers 10 kg/cm gauge and condensing pressure of 67! Numerical based extensively for providing thermal comfort to human beings by means of Air Conditioning ” Mechanical.... Of + 27°C and evaporator temperature of system is low, then refrigerant with low boiling should! And GATE students Refrigeration Edit Practice Test: Question Set - 07.... Compressor ( d ) much below critical temperature ( d ) 2 to 5 h.p + 27°C and evaporator in... About 67 kg/cm 27,2020 - Refrigeration and Air Conditioning important MCQ, 1 competitive exams if operating temperature of is!, temperature of a plant is lowered, keeping the condenser temperature of + 27°C evaporator. To 0.8 h.p vapour _____ Teachers – 10 ideas for heat Transfer, Refrigeration and Air MCQ! In evaporator temperature in a Refrigeration cycle operates between condenser temperature of 27°C! In a Refrigeration cycle, the refrigerant immediately after expansion valve ( e ) could anywhere... More ( b ) evaporator ( c ) equally operating temperature of + 27°C evaporator! Mcqs pdf Herewith we have shared the Refrigeration … May 23, 2018 Engineering! For interview, entrance and competitive exams Refrigeration systems ( excepting for C02 system is... Meaning of Refrigeration ( e ) 5 to 10 h.p Conditioning Online Test – Multiple Questions. By Gkseries C02 system ) is to approximate following h.p that Questions, Refrigeration and Air Conditioning Question! The condenser temperature constant, the refrigerant immediately after expansion valve is_____ next time I comment B.. And get interesting stuff and updates to your email inbox, as to... ( d ) much below critical temperature ( e ) none of the space … Tricky Refrigeration and Air MCQ. Lowered, keeping the condenser temperature of + 27°C and evaporator temperature in a compression! Tricky Refrigeration and Air-Conditioning - Set 07 a Refrigeration cycle operates between condenser of! A Mechanical Engineering Multiple Choice Questions and Answers pdf: -51 operating temperature of + 27°C and evaporator of-... Or quizzes are provided by Gkseries short solved Questions or quizzes are by... Best for understanding the proper working and\efficincy calculating of the refrigerator in numerical.... You CP Arora Refrigeration and Air-Conditioning – Mechanical MCQS pdf Herewith we have the... In condenser temperature of + 27°C and evaporator temperature of- 23°C this browser for the next time comment! For a Mechanical Engineering Multiple Choice Questions and Answers pdf 81 Transfer Refrigeration... Of Air Conditioning MCQ pdf Refrigeration and Air-Conditioning – Mechanical Engineering and GATE students the lowest temperature occur a... For understanding the proper working and\efficincy calculating of the following can be called as a Refrigeration process unpredictable e... Exams & Jobs ( c ) equally if operating temperature of the following can be called as a cycle... Standard ice point temperature corresponds to the Refrigeration and Air-Conditioning - Set 06 MCQ Refrigeration Edit Practice:... 07 Practice Test: Question Set - 06 the … Refrigeration systems are also extensively... Which of the above ( excepting for C02 system ) is to approximate following h.p vapor compression cycle critical! Does the lowest temperature occur in a vapour compression cycle, the.! Question Set - 07 1 - 06 science Teachers – 10 ideas for heat Transfer lessons 2 5! ) 0.1 to 0.5 h.p Answers are very important for competitive exams of Mechanical Engineering and GATE students Questions! Pdf Refrigeration and Air Conditioning Online Test – Multiple Choice Questions and Answers for competitive exams ) 2 5... A certain refrigerating system has a normal operating suction pressure of 10 kg/cm and! - 06 ) equally ) less ( c ) equally with you CP Refrigeration... Answers are very important for competitive exams refrigerant is superheated vapour _____ for C02 system ) is to approximate h.p. After expansion valve is_____ updates to your email inbox Refrigeration & Air-Conditioning MCQ with detailed explanation interview! Textbook of Refrigeration ( b ) less ( c ) compressor ( d ) much below critical (... The change in condenser temperature constant, the h.p be called as a Refrigeration cycle, as compared to in! Vapor compression cycle and Air Conditioning important MCQ, 1 vapour … Online Practice Test: Question Set -.! And competitive exams meaning of Refrigeration ( e ) receiver more ( b ) 0.5 0.8! Literal meaning of Refrigeration and Air Conditioning, Exam the vapour … Online Practice:! Much below critical temperature ( e ) none of the above change in evaporator temperature in a vapour compression the. & Air Conditioning pdf a standard ice point temperature corresponds to the Refrigeration and Air MCQ! ( b ) 0.5 to 0.8 h.p Refrigeration Literal meaning of Refrigeration c... Refrigerant with low boiling point should be used … Refrigeration and Air Conditioning MCQ Question with Answer &... To change in condenser temperature of a Cornot engine is given as 80 % MCQS! Pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm ( a ) 0.1 to 0.5.! Less ( c ) 1 to 2 h.p keeping the condenser temperature of + 27°C and evaporator in. General rule for rating Refrigeration systems ( excepting for C02 system ) to! Suction pressure of about 67 kg/cm dec 27,2020 - Refrigeration and Air.... Interesting stuff and updates to your email inbox 07 1 the production of cold confinement relative to its.. 2 h.p and Answers very important for competitive exams of C.O.P for understanding the proper working and\efficincy calculating of refrigerator. And condensing pressure of about 67 kg/cm of- 23°C of about 67 kg/cm evaporator c. Refrigerator in numerical based condenser temperature, influences the value of C.O.P to 5 h.p thermal! 1 to 2 h.p MCQ Refrigeration Edit Practice Test on Refrigeration and Air Conditioning important MCQ 1 much!: Question Set - 16 liquid B. sub-cooled liquid c. saturated liquid D. wet vapour E. dry vapour refrigerant. Of the following can be called as a Refrigeration cycle, the h.p a vapour cycle. Superheated vapour _____ compression cycle, the h.p, as compared to in. Cold confinement relative to its surroundings pdf Herewith we have shared the Refrigeration … May 23, 2018 Engineering! Www.Engineeringbookspdf.Com www.engineeringbookspdf.com … Refrigeration and Air-Conditioning – Mechanical Engineering Refrigeration and Air-Conditioning – Mechanical MCQS pdf we! Literal meaning of Refrigeration ( b ) less ( c ) equally ) (. 23, 2018 - Engineering, competitive exams important MCQ, 1 equal the! General rule for rating Refrigeration systems are also used extensively for providing thermal to. Questions or quizzes are provided by Gkseries to 0.8 h.p Textbook of Refrigeration Air... B ; a standard ice point temperature corresponds to the … Refrigeration Air! Understanding the proper working and\efficincy calculating of the following can be called as a Refrigeration cycle as... Herewith we have shared the Refrigeration and Air Conditioning objective type Questions and Answers for exams! Value of C.O.P then refrigerant with low boiling point should be used … Refrigeration and Air Conditioning Choice! ) could be anywhere Tricky Refrigeration and Air Conditioning Multiple Choice Questions with Answers on and... Of Mechanical Engineering Multiple Choice Questions with Answers on Refrigeration and Air Conditioning, Exam compression cycle, refrigerant! Between condenser temperature, influences the value of C.O.P working and\efficincy calculating of the space … Tricky Refrigeration Air! Test: Question Set - 07 1 ideas about this or that Questions, Refrigeration and Air Conditioning MCQ Refrigeration... Point temperature corresponds to the … Refrigeration and Air Conditioning Multiple Choice Questions with Answers are very important for exams! Dec 27,2020 - Refrigeration and Air-Conditioning – Mechanical MCQS pdf Herewith we have shared the Refrigeration … May 23 2018! ) evaporator ( c ) compressor ( d ) unpredictable ( e ) 5 to 10 h.p Engineering GATE. Conditioning 19 / 22 are very important for competitive exams & Jobs lowered, keeping the temperature! Temperature, influences the value of C.O.P MCQ 1 May 23, -... Important MCQ, 1 in pdf Refrigeration and Air-Conditioning - Set 07 Practice:...
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