A four-cylinder four-stroke petrol engine with the following specifications: - The bore(diameter) = 20 cm - The stroke = 30 cm - The compression ratio = 8 - The indicated power = 33 KW - The engine speed = 2500 rpm - The indicated thermal efficiency = 35% - The friction power = 25 kW - The calorific value ( heating value) = 42000 kJ/kg . Determine the following: a) The indicated mean effective pressure. b) Thermal efficiency. c) Specific fuel consumption per hour. d) The Torque (given K = 1.4)

Q: Use direct formula with brief explanation. The following results were obtained from a test on a…

A:

Q: At the beginning of the compression process of an air standard Otto cycle, pz = 1 bar, T1= 300 K.…

A: Note: As per our guidelines we are supposed to answer only the first 3 sub-parts. Kindly repost…

Q: 5. A four stroke gas engine develops 4.2 kW at 180 r.p.m. and at full load. Assuming the follow- ing…

A:

Q: At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K.…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three…

Q: 2. A four-cylinder 2.5 L spark-ignited engine is mounted on a dyno and operated at a speed of W=3000…

A:

Q: 4. A single cylinder four stroke diesel engine works on the following data: Cylinder bore = 15 cm,…

A: Givenarea of indicator diagram=6cm2Speed=250rpmLength of indicator diag =9cmspring…

Q: A Diesel engine operates on the air-standard cycle and has a displacement of 3.5 liters. The…

A:

Q: In an air-standard Otto cycle engine, the following data were obtained: k = 1.4, cp = 1.0045₂ =…

A:

Q: For a 6-cylinder, 4-stroke, diesel engine, the following data is available: brake power = 120 hp,…

A: Given : P = 120 hp = 89.484 kW N = 2500 rpm bsfc = 240 g/kWh ρf=0.85 g/cm3 To find : Fuel pump size

Q: In an air-standard Otto cycle engine, the following data were obtained: k = 1.4, P₁ = 103 kPa, t₁ =…

A:

Q: At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K.…

A: Otto cycle This is a air standard cycle in which two constant volume and two isentropic process are…

Q: The displacement volume of an internal combustion engine is 2.21 liters. The processes within each…

A:

Q: At the beginning of the compression process of an air standard Otto cycle, p₁ = 1 bar, T₁ = 300 K.…

A: Dear student,                     According to the expert guidelines, I am allowed to answer only…

Q: If the compression ratio of diesel engine is 18.7 and the cut off ratio is 2.3, the expansion ratio…

A:

Q: What is the engine speed (in rpm) required for good volumetric efficiency for a square engine with…

A:

Q: What is the engine speed (in rpm) required for good volumetric efficiency for a square engine with…

A:

Q: Which statement is true for this air-standard Otto cycle? Heat is added to the air at constant…

A: Since you have been posted multiple questions. So, we are solving only first question for you. If…

Q: The displacement volume of an internal combustion engine is 2.22 liters. The processes within each…

A: As per our guidelines we are supposed to answer only first three parts. The given values are-…

Q: 2. Which of the following equations describes the chocked nozzle thrust in a gas turbine engine?…

A: For a nozzle: If the mass flow rate is→Wa Exit velocity→Ce And inlet velocity→Co Exit pressure→Pe…

Q: At the beginning of the compression process of an air standard Otto cycle, p1 - 1 bar, T1 - 300 K.…

A: Note: As per policy we can solve the first three subparts. Please resubmit the remaining subparts.

Q: An Otto cycle engine is operating on the following conditions: The pressure and temperature at the…

A: As per given question  P1=150 kpa T1=300k Maximum condition  P3=5100kpa T3=2900 k We have to find…

Q: An ideal Otto engine, operating on the hot-air standard with k = 1.34, has a compres ratio of 5. At…

A:

Q: 38. The suction temperature of a diesel cycle is 30°C. The compression ratio is 6 and cut-off ratio…

A:

Q: Q1- Draw the wind turbine power curve characteristics and discuss the regions of the curve. What is…

A: INTRODUCTION: Wind turbines are a significant source of renewable energy generating, by increasing…

Q: Which of the following equations describes the chocked nozzle thrust in a gas turbine engine? O…

A: Given: The type of flow in nozzle = choked

Q: 4. Consider a four stroke, six-cylinder internal combustion engine (spark-ignition engine) with a…

A: Stroke length = L = 9.5 cm = 0.095 m Bore diameter= d = 9 cm= 0.09 m compression ratio=r= 8.5 P1=…

Q: Cylinder conditions at the start of compression in an Sl engine operating at WOT on an air-standard…

A: given data: K=1.3 initial pressure (P1)=2.12psig=2.12*6.895KPa=14.61KPainitial…

Q: bar respectively, and AF = 15. Calculate: (i) Throat diameter of the carburetor. (ii) Fuel orifice…

A:

Q: The Kelvin temperature of the hot reservoir of a Carnot engine is twice that of the cold reservoir,…

A: Given data: ◆ The Kelvin temperature of the hot reservoir of a Carnot engine is twice that of the…

Q: The bore and stroke of the cylinder of a 6-cylinder engine working on an Otto-cycle are 17 cm and 30…

A: Otto cycle is the standard cycle used in Spark Ignition engine. In Otto cycle, intake of air-fuel…

Q: Consider an ideal gas with the following characteristics: R = 115 ft-lbf/lbm-R Cp = 0.25 +…

A: CARNOT CYCLE -  It is an ideal cycle that basically laid the foundation of second law of…

Q: the heat rejection per cycle, in kJ. e)    the net work per cycle, in kJ. f)     the thermal…

A:

Q: (8) An SI, six-liter, V8 race car engine operates at WOT ( wide open throttle) on a four- stroke…

A:

Q: Discuss any three methods to improve performance of the cycle with justification based on the data…

A: there can be different methods to improve the performance of the engine. some of the methods are…

Q: The gas turbine cycle combustor outlet temperature profile must be uniform. Any non-uniformity in…

A: According to Bartleyby's policy, we can answer 1 question at a time so if you want the solution of…