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16
votes
2
answers
59k
views
2
answers
Derive an expression for an air-standard efficiency for Otto cycle
ic engines updated 4.4 years ago by teamques10 ★ 70k
3
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1
answer
1.7k
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1
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Derive the efficiency of air standard Otto cycle.
ic engines updated 4.4 years ago by phenjoisilab • 0
1
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1
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8.5k
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1
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Effects of supercharging on thermodynamic cycle.
ic engines updated 6.5 years ago by ddigantarroy • 0
2
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1
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2.8k
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1
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A perfect gas at 1 bar and 290 K undergoes ideal diesel cycle. The maximum pressure of the cycle is 50 bar. The volume at the beginning of compression is 1m 3 and after constant pressure heating is 0.
ic engines updated 4.4 years ago by teamques10 ★ 70k
1
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1
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3.7k
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1
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A six cylinder four stroke diesel engine operates at air fuel ratio of 20:1.
ic engines updated 6.5 years ago by teamques10 ★ 70k
2
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1
answer
5.5k
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1
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In an Otto engine pressure and temperature at the beginning of compression are 1 bar and 37$^{o}$C respectively.
ic engines updated 4.4 years ago by teamques10 ★ 70k
1
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1
answer
7.0k
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1
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An 8-cylinder, four-stroke engine of 9 cm bore and 8 cm stroke with a compression ratio of 7 is tested at 4500 rpm on a dynamometer which has 54 cm arm.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
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1
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3.0k
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1
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Internal Combustion Engines : Question Paper May 2015 - Mechanical Engineering (Semester 5) | Mumbai University (MU)
ic engines updated 10.1 years ago by teamques10 ★ 70k
0
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1
answer
2.9k
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1
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State whether following statement is true or false and justify: For same heat input and constant maximum pressure Otto cycle is better than diesel cycle.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
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1
answer
21k
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1
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Sketch and explain actual port timing diagram for two stroke engine.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
7.2k
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1
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Write short note on: Effect of dissociation phenomenon on PV diagram of Otto cycle.
ic engines updated 6.5 years ago by teamques10 ★ 70k
1
vote
1
answer
6.0k
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1
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An Otto cycle with a compression ratio of 10 uses a fuel with a calorific value of 48000kJ/kg. The air fuel ratio is 15:1.
ic engines updated 6.5 years ago by teamques10 ★ 70k
3
votes
1
answer
4.2k
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1
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A perfect gas at 1 bar and 290 K undergoes ideal diesel cycle.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
8.1k
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1
answer
Describe the requirements for spark plug.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
4.3k
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1
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Write a short note on: Use of ballast resistor and capacitor in ignition system.
ic engines updated 6.5 years ago by teamques10 ★ 70k
2
votes
1
answer
30k
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1
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Explain in detail the various stages of combustion in SI engine.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
5.5k
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1
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Explain the effects of spark advancement and retardation on the engine performance.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
4.1k
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1
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State whether following statement is true or false and justify: Spark plugs and exhaust valves are located away from each other inside combustion chamber of spark ignition engine.
ic engines updated 6.5 years ago by teamques10 ★ 70k
1
vote
1
answer
11k
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1
answer
The venturi of a simple carburetor has throat diameter of 35 mm and the coefficient of air flow as 0.85.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
3.4k
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1
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State whether following statement is true or false and justify: Swirl instead of turbulence is required inside CI engine combustion chamber.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
14k
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1
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With neat sketch explain compression induced swirl and divided combustion chamber. Also state its advantages and disadvantages.
ic engines updated 6.5 years ago by teamques10 ★ 70k
4
votes
1
answer
58k
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1
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Write short note on: Stages of combustion in CI engine.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
23k
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1
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With neat sketch explain various types of fuel nozzles used in CI engine injection system.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
3.4k
views
1
answer
What are the components (at least four) of general diesel fuel injection system? State in brief the function of each of them.
ic engines updated 6.5 years ago by teamques10 ★ 70k
0
votes
1
answer
13k
views
1
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Write a short note on: SAE ratings of lubricating oils.
ic engines updated 6.5 years ago by teamques10 ★ 70k
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