Learn Engineering Thermodynamics MCQ questions answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Engineering Thermodynamics MCQ question is the important chapter for a Mechanical Engineering and GATE students.
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Philosophy. Agriculture. Sociology. Political Science. Pharmacy. For J. S. Mill which one of the following is not true? a) Pleasures differ in quality b) The felicific calculus is absurd c) The principle of utility is the final end of life d) Liberty consists in doing what one desires.
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A. due to the fact that furnace gases being light go through the chimney giving place to cold air from outside to rush in B. due to the fact that pressure at the grate due to cold column is higher than the pressure at the chimney base due to hot column C. due to the fact that at the chimney top the pressure is more than its environmental pressure D. all of the above
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The Coal Mining chapter is particularly important for students studying mining engineering. Learn and practice multiplechoice questions (MCQs) with answers related to Coal Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams.
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Infrastructure topic is a part of economics which is important from exam point of view. The basic physical and organizational structure required for the smooth functioning of a society or industry is called infrastructure. In other words, the services and facilities which are needed for the economy to function are called infrastructure. To solve the question of infrastructure in economics, it ...
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3. The gas turbine power plant mainly uses which among the following fuels? a) Coal and Peat. b) Kerosene oil and diesel oil and residual oil. c) Gas oil. d) Natural gas and liquid petroleum fuel. Answer: Natural gas and liquid petroleum fuel. 4. The compressor has to be started. a) Before starting the gas turbine. b) After starting the gas ...
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The operating speed of a ball mill should be _____ the critical speed. a) Less than b) Much more than c) At least equal to d) Slightly more than ... Which of the following gives the work required for size reduction of coal to 200 mesh in a ball mill most accurately ? A. Rittinger's law. B. Kick's law. C. Bond's law. D. None of these.
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Ultimately, the energetic efficiency of coal mill has been investigated and performance value has been found to be a maximum value of %. The layout of the coal mill with a rotary classifier ...
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India participated in Olympics Hockey in Answer: Option C A. 1918 B. 1928 C. 1938 D. 1948 32. Indira Gandhi was assassinated in Answer: Option B A. 1974 B. 1984 C. 1994 D. 2004 25. If force is expressed in Newton and the Answer: Option B distance in metre, then the work done is A. Joule B. Kg wt m 33.
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13. Power System MCQ on Capacitance of Transmission Lines. The section contains Power System multiple choice questions and answers on electric field, straight conductor potential, earth effect on three phase transmission, two wire lines capacitance, geometric mean distance and radius. 14.
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Answer: Option B This Question Belongs to Chemical Engineering >> Mechanical Operations Join The Discussion Related Questions on Mechanical Operations Which of the following gives the work required for size reduction of coal to 200 mesh in a ball mill most accurately ? A. Rittinger's law B. Kick's law C. Bond's law D. None of these View Answer
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A fluid energy mill is used for a) Cutting b) Grinding c) Ultra grinding d) Crushing. Login . Dark Mode. ... Which of the following gives the work required for size reduction of coal to 200 mesh in a ball mill most accurately ? A. Rittinger's law. B. Kick's law. C. Bond's law. D. None of these.
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Answer: Option A This Question Belongs to Chemical Engineering >> Mechanical Operations Loaded 0% Join The Discussion Related Questions on Mechanical Operations Which of the following gives the work required for size reduction of coal to 200 mesh in a ball mill most accurately ? A. Rittinger's law B. Kick's law C. Bond's law D. None of these
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Summary of Coal Mill Controls. To summarize the coal mill controls, they may be divided basically into two major categories: 1. To control the quality of coal being sent to the burners located on the furnace walls. The word quality here means the temperature and fineness of the PF. The set temperature values are dependent on the ...
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1. To how many types are flat plate collectors divided depending on type of heat transfer fluid? a) 2 b) 3 c) 4 d) 5 View Answer 2. For what purpose are Gas heating collectors used? a) To trap solar radiance b) To act as a medium to help in conversion of sunlight to electrical energy c) Employed as solar air heaters
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Law. Philosophy. Agriculture. Sociology. Political Science. Pharmacy. Learn C Programming MCQ questions and answers with explanation for Campus requirement, Interview, competitive examination and entrance test.
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Which of the SQL statements is correct? A. SELECT Username AND Password FROM Users. B. SELECT Username, Password FROM Users. C. SELECT Username, Password WHERE Username = 'user1'. D.
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In C, what is the purpose of the 'break' statement within a loop? A. Continue to the next iteration. B. Exit the program. C. Terminate the loop and exit it. D. Skip the current iteration. Answer Solution Discuss in Board Save for Later. 3.
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Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the. A. State or manner of application of the crushing force. B. Ultimate strength of the material. C. Elastic constant of the material. D. All of the above. Answer Solution Discuss in Board Save for Later.
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Silicosis can cause progressive fibrosis in the lung with a significant decrease in lung function, especially in cigarette smokers. Coal worker's pneumoconiosis — This form of pneumoconiosis is caused by inhaling carbon particles from coal, graphite, lamp black or carbon black. It most often affects people who mine, process or ship coal ...
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The primary purpose of the array map () function is that it. A. maps the elements of another array into itself. B. passes each element of the array and returns the necessary mapped elements. C. passes each element of the array on which it is invoked to the function you specify, and returns an array containing the values returned by that function.
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1. Coal and ash handling plant: The coal is transported to the power station by road or rail and is stored in the coal storage plant. From the coal storage plant, coal is delivered to the coal handling plant where it is pulverized in order to increase its surface exposure, thus promoting rapid combustion without using a large quantity of excess ...
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Arrange the following coal mines of India from east to west 1. Bokaro 2. Adilabad 3. Raniganj 4. Bishrampur Choose the correct option from the codes given below : 3, 2, 1, 4. 2, 1, 4, 3. 3, 1, 4, 2. 2, 3, 1, 4. 2. In which one of the following types of coal, higher percentage of carbon is found? Anthracite coal.
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A thermal power plant burns coal at the rate of 10 t/hr and discharges the fuel gas though a stack having effective height of 90 m. The coal has sulphur content of 4%. The wind speed at stack top is 6m/s. The atmospheric stability class is 'C'. For this class at downwind distance of 2000m the constants σy and σz are 200 and 120 respectively.
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Which of the following depreciation method would be most suitable for coal mines? A. Diminishing balance method. B. Depletion method. C. Fixed Installation method. D. The sum of years digits method. Answer: Option B
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14. The one thing that is common to all fossil fuels is that they: (a) Were originally formed in marine environment. (b) Contain carbon. (c) Have undergone the same set of geological processes during their formation. (d) Represent the remains of one living organisms. 15.
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A. Sheet tabs can be colored. B. Some picture can be applied as a background of a sheet. C. You can set the column width automatically fit the amount of text. D. The width of a row and be specified manually or fit automatically. Answer Solution Discuss in Board Save for Later. 9.
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Study area and sampling. Jinan Steel Plant (,, Shandong Province, People's Republic of China) with an area of 3 km 2 was analyzed and assessed in this research. This factory has been in service for almost 60 years before quitting the production in 2017 with the total steel production amount about 155 million tons (Cui et al., 2021).
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A. SELECT city WHERE humidity = 89; B. SELECT city FROM weather WHERE humidity = 89; C. SELECT humidity = 89 FROM weather; D. SELECT city FROM weather; Answer Solution Discuss in Board Save for Later. 28.
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15. In which mill is the pulverization of coal is made by the impact? a) Hammer mill. b) Bowl mill. c) Ball mill. d) Ball and race mill. Answer: Hammer mill. 16. How is coal pulverized in the ball mill? a) By rotating the cylinder. b) By rolling the cylinder. c) By hammering the cylinder. d) By jolting the cylinder. Answer: By rotating the ...
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الهند غنية بالموارد المعدنية المختلفة وهي سوق مهم لمعالجة المعادن
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