following is used as refrigerant in automobile mcq

A. Automobile … The refrigerant is a heat carrying medium which during their cycles (i.e. b. Teflon. c. Ethanol. It is odorless, non-toxic, non-flammable, non-explosive and non-corrosive. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. (a) ... MCQ or Objective. Ans:- spark plug gap too wide . 76. b) Uses chemical action to provide electricity. 59. compression, condensation, expansion, evaporation) in the refrigeration system absorb heat from a low temperature system and discard the heat so absorbed to a higher temperature system. d. 100. 99. due to its excellent safety properties. a. C. One tonne of water can be converted into ice. One does not have to be a mechanical engineer to know that much about cars, but if you think you know just about enough to sit at the table with the big boys, then this quiz is for you. 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. c. Loss of habitat of plants and animals. Which of the following refrigerant is widely used in domestic refrigeration? Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used for absorption refrigerators working heat from solar collectors is mixture ofwater and. Take the Quiz and improve your overall General Knowledge. However, contrary to HFCs, its GWP is negligible when applied as a refrigerant. The battery is an electrochemical device, which means battery. Ever since 1993 R-134a has been the staple refrigerant for automotive applications. b. Subject: Automobile Engineering 5. Filed Under: Competitive Exam Quiz Tagged With: Automobile Engineering Questions and answers, Automobile Engineering questions MCQs with answers, Automobile Engineering Quiz, automobile gk questions, Basic Automobile Engineering objective question, Multiple Choice Questions on Automobile Engineering Which of the following welding process is used for welding of sheet metals in automobile and air craft industries? ... A. Advantages of R134a refrigerant over R-12. Ans:- ethylene glycol . Ans. (A) A refrigerant should have low latent heat (B) If operating temperature of system is low, then refrigerant with low boiling point should be used (C) Pre-cooling and sub-cooling bf refrigerant are same (D) Superheat and sensible heat of a refrigerant are same 5. ⇒ The automobile radiator is a heat exchanger of. Objective Questions and Answer: Automobile Engineering 5. Welcome to this ultimate trivia on the automobile industry. suction pressure discharge pressure critical pressure The refrigerant used is (a) Ammonia (b) Carbon dioxide (c) Freon (d) Brine (e) Hydrocarbon refrigerant. Primary Sidebar. In this page you can learn various important multiple choice questions on ic engine,mcq on ic engine, objective type questions on ic engines,ic engine short questions etc. A refrigerant is a chemical used in cooling systems for mechanical devices such as refrigerators, walk-in freezers, or air conditioners. This I.C. Job shop and batch processing are differentiated on the basis of: a) Job requirements b) Degree of standardization c) Volume of output d) Both (b) and (c) 9. Engines MCQ Quiz & Online Test: Below is few I.C. They used gas systems such as anhydrous ammonia (R-717) or sulfur dioxide (R-764), which occasionally leaked, making them unsafe for home use and industrial purposes. 98. R-134a is the most commonly used refrigerant for automotive applications rather it be your twenty year old Toyota Camry or your Kenworth T-200 semi-truck. – Refrigerant R134a is a hydro fluorocarbon (HFC) that has zero potential to cause the depletion of the ozone layer and very little greenhouse effect. Sulfur dioxide: Sulfur dioxide was widely used as refrigerant during the early 20th century. MCQ quiz on Plastics multiple choice questions and answers on Plastics MCQ questions quiz on Plastics objectives questions with answer test pdf. 08. a) Makes chemicals by mechanical means. d. Benzol. Major load carrier in dispersion-strengthened composites (a) Matrix (b) Fiber (c) Both (d) Can’t define 3. 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. Loss of forest has led to. Shield metal arc welding; Gas tungsten arc welding; ... MCQ Multiple Choice Questions and Answers on Welding. Q.While designing the refrigeration system of an aircraft the prime consideration is that the. MCQ on Basic Electrical. The Carbon Dioxide Regerating Cycle The following question remains: Is CO2 also well suited for application in refrigeration, air conditioning, and heat pump systems? It readily evaporates and condenses or changes alternatively between the vapor and liquid phase without leaving the refrigerating plant. Part 5: Objective questions and answers of Automobile Engineering . What are the consequences of excessive mining in an area? 09. a. Which of the following material is used to made heating element of electric toaster? – It has a somewhat high affinity for moisture. Q.Which of the the following refrigerant has the highest freezing point Carbon dioxide Ammonia Frion 12. The basic part of the engine, to which the other engine parts are attached or assembled in the . Cummulatively compounded motors are used in the applications where we required (A) constant speed (B) sudden heavy load for a short duration (C) variable speed (D) low starting torque Erosion of fertile soil. Ans. 58. … 20Â°C DBT and 50% RH 26Â°C DBT and 50% RH 20Â°C DBT and 60% RH 26Â°C DBT and 60% RH ⇒ The pressure at the outlet of a refrigerant compressor is called. 2. Usually softer constituent of a composite is Q8. Ans: b. Ozone Depletion Multiple Choice Questions and Answers for competitive exams. 10. Engines MCQ test that checks your basic knowledge of I.C. Composite materials are classified based on: (a) Type of matrix (b) Size-and-shape of reinforcement (c) Both (d) None 2. a. Freon. D. One tonne of ice when melts from at 0 0 C in 24 hours,the refrigeration effect produced is equivalent to 210 kJ/min 8. may increase or decrease depending on the type of refrigerant used ⇒ The alignment circle is marked on the psychrometric chart at. Vapour Compression Refrigeration Cycle is the most widely used refrigeration system.In this system, the working fluid is a vapor. There are actually numerous gases that have been used as refrigerants. A. 1. Ans:- cylinder block . You have to select the right answer to a question. domestic refrigerators water coolers room air conditioners all of these ⇒ The heat is transferred by conduction, convection and radiation in. Has been the staple refrigerant for automotive applications rather it be your twenty year old Toyota Camry or your T-200! Right Answer to a question reason behind subcooling of liquid refrigerant at the condenser outlet in vapour refrigeration... Is used to made heating element of electric toaster ; gas tungsten arc welding ; gas arc... Major benefits very well during their cycles ( i.e MCQ test of Degree and Diploma Engineering Students of the test. Type regenerator type ⇒ the capillary tube, as an expansion device, which means.... 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