In case of impulse steam turbine mcq

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WebIn a impulse turbine while steam flows through the moving blades In a throttle governed single cylinder steam engine 5 I.H.P. is developed when steam consumption is 50 kg per hour and 2 I.H.P. is developed when the steam consumption is 26 kg per hour. The steam … WebOct 25, 2016 · (a) when steam is extracted from only one suitable point of steam turbine (b) when steam is extracted from several places in different stages of steam turbine (c) when steam is extracted only from the last stage of steam turbine (d) when steam is extracted only from the first stage of steam turbine Ans: b 22.

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WebMCQ Ele. Power Plant Practice Test: Question Set - 08 1. The pressure at the furnace is minimum in case of (A) Forced draught system (B) Induced draught system (C) Balanced draught system (D) Natural draught system 2. The modern steam turbines are (A) Impulse turbines (B) Reaction turbines (C) Impulse-reaction turbines (D) None of the above 3. WebMay 3, 2010 · The Computer Controlled and Touch Screen 1.5 kW Steam Power Plant, "TPTV/1.5kW/CTS", converts thermal energy into mechanical energy and then into electrical energy. The unit allows students to understand the complete process and the basic components of a thermal power plant (a heat source to generate steam, a turbine with … green flag breakdown recovery number

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WebIn case of impulse steam turbine_____? - A.there is enthalpy drop in fixed and moving blades B.there is enthalpy drop only in moving blades C.there is enthalpy drop in nozzles D.none of the above Submitted by:Ali Uppal ... Related Mcqs; A disk content that is recorded at the … WebThe reheat factor in a steam turbine depends on. A. Stage efficiency. B. Initial pressure and temperature. C. Exit pressure. D. All of the above WebIn impulse turbines, the steam expands through the nozzle, where most of the pressure potential energy is converted to kinetic energy. The high-velocity steam from fixed nozzles impacts the blades changes its direction, which in turn applies a force.The resulting impulse drives the blades forward, causing the rotor to turn. The main feature of these turbines is … green flag breakdown phone no

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Impulse Turbine MCQ [Free PDF] - Objective Question Answer ... - Testb…

WebJan 13, 2024 · In impulse turbine, when the steam glides over the moving blades, the relative velocity of steam either remains constant or reduces slightly due to friction. In reaction turbine, the steam is continuously expanding, relative velocity increases in the … WebExcerpt from Steam Turbines: A Practical Work on the Development, Advantages, and Disadvantages of the Steam Turbine; The Design, Selection, Operation, and Maintenance of Steam Turbine and Turbo-Generator Plants Compound impulse turbines with velocity steps Curtis turbine. Riedler-stumpf turbine Terry turbine. Sturtevant turbine. flushed sensationWebAdvantages velocity compounded steam turbine: 1.This arrangement needs small space. 2. This is very reliable and easy to operate. 3.Initial cost is low for this arrangement. 4. Since nozzle's steam is considerable, the turbine does not need to work in high pressure and turbines structure need not be very strong. flushed ring down toilet

"WebD axial flow impulse turbine 9 Surge tank is usually utilized in those plants where distance between the forebay and the turbine is A Large B Medium C Small D Any Of The Above 10 The water compressibility effect produces traveling waves of pressure and is usually called A water hammer B water impact C water force D water pressure " - In case of impulse steam turbine mcq

In case of impulse steam turbine mcq

Impulse Turbine MCQ [Free PDF] - Objective Question Answer ... - Testb…

WebMay 22, 2024 · Impulse Turbine – velocity compounding. A velocity-compounded impulse stage consist of a row of fixed nozzles followed by two or more rows of moving blades and fixed blades (without expansion). This divides the velocity drop across the stage into several smaller drops. In this type, the total pressure drop (expansion) of the steam take place … WebIn case of impulse steam turbine_____? (A) there is enthalpy drop in fixed and moving blades (B) there is enthalpy drop only in moving blades (C) there is enthalpy drop in nozzles (D) none of the above

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WebSep 27, 2024 · Hello Friends,In this video, we will discuss MCQ on the Introduction of Steam Turbine#SteamTurbine#ImpulseTurbine#ReactionTurbine WebA steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbine involves advanced metalwork to form high-grade steel alloys into precision parts using technologies that first …

WebCompounding of steam turbine is done for (a) reducing the work done (b) increasing the rotor speed (c) reducing the rotor speed (d) balancing the turbine Ans: c 3. In India largest thermal power station is located at (a) Kota (b) Sarni (c) Chandrapur (d) Neyveli Ans: c 4. The percentage O2 by Veight in atmospheric air is (a) 18% (b) 23% (c) 77% Web4-b. Steam enters the turbine of a steam power plant, operating on Rankine cycle, at 10 bar, 300o C. The condenser pressure is 0.1 bar. Steam leaving the turbine is 90% dry. Calculate the adiabatic efficiency of the turbine and also the …

WebIn case of impulse steam turbine 1. there is enthalpy drop only in moving blades 2. there is enthalpy drop in fixed and moving blades 3. none of the above 4. there is enthalpy drop in nozzles WebThere are three methods of compounding of steam turbine: Method # 1. Velocity-Compounded Impulse Turbine: This type of turbine consists of a nozzle or sets of nozzles and a wheel fitted with two or more rows of moving blades. It has two-rings of moving blades on the rotor and such a wheel.

Web1) Steam turbine: In a steam turbine, the working fluid is steam. The pressure of steam is converted into the mechanical work of the shaft. This turbine is classified as: A) Impulse turbine:- In an impulse turbine the total pressure energy of the fluid is completely converted into kinetic energy before it strikes rotor blades.

green flag breakdown renewalWebA. The steam is allowed to expand in the nozzle,where it gives a high velocity before it enters the moving blades. B. The expansion of steam takes place partly in the fixed blades and partly in the moving blades. C. The steam is expanded from a high pressure to a … flushed segmentWebIn case of impulse steam turbine A. there is enthalpy drop in fixed and moving blades B. there is enthalpy drop only in moving blades C. there is enthalpy drop in nozzles D. none of the above Answer: Option C Join The Discussion Comment * Related Questions on Power … flushed side railsWebDec 27, 2024 · Impulse turbines are described as turbines in which high-velocity jets of water or steam collide with the turbine blades to rotate the turbine and generate energy. The impulse turbine gets its name from the impulse force … green flag breakdown renewal onlineWebIn most designs, the reaction of the turbine varies from hub to shroud. The hub is close to an impulse turbine. The impulse turbine is a reaction turbine with a reaction of zero (R = 0). The shroud is usually above a reaction of 50%. The utilization factor for a fixed nozzle angle will increase as the reaction approaches 100%. flushed screws for outlet coversWebMar 28, 2024 · In an impulse turbine, the steam is expanded in nozzles, which generates a high-velocity jet that impacts the turbine blades, causing them to rotate and produce work. Blade or diagram efficiency is defined as the ratio of work done on the blades to the … flushed sensorWebImpulse turbines: Choose one answer. a. are only used with low pressure steam b. require large thrust bearings c. were invented by Parsons d. have large pressure drops across the huckets e. have blades with the same steam inlet and outlet angles d Shaft sealing carbon glands are: Choose one answer. a. Lubricated by the main oil pump b. green flag breakdown recovery plus