Lab 4 - Counterbalance valve W21

b) The bore diameter of each cylinder in a sir-cylinder four-stroke internal combustion engine is 32 mm and the stroke of each piston is 125 mm. During testing, the engine runs at 1450 revolutions per minute (pm) with a pressure-volume indicator diagram showing a mean net area of 2 90 cm' and a diagram length of 0.85 cm. The pressure scale on the indicator diagram is set to 165 kNmper cm Calculate the mean effective pressure (mep) and the indicated power in klowatts (aW) developed by this six-cylinder four-stroke engine. Give your answer to 2 decimal places. c) A hollow connecting rod has an inner diameter of 26.25 mm and is subjected to an axial tensile load of 500 MN. the maximum allowable stress for this hollow rod is 325 KNimm, calculate the minimum thickness of the rod. Give your answer in millimetres (mm) and to 2 decimal places.

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What is the required diameter in meters of a cylindrical tank which has a length of 3 meters used for oil storage that will supply the engine for 5 days having a fuel consumption of 60Kg/hour at 27 degrees API? Please Answer # 9. If you can answer # 10 it will be appreciated much and rated high. Thanks!

what is the rule of thumb recommendation for valve lift for a 40 mm diameter valve

Define valve margin

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please write clearly if handwritten so that I could read and understand the solutions and steps taken

Describe the operating principle of a Karman Vortex air flow meter used in some engine management systems. (100 - 150 words)

4b

Algenib Sherately Alpher Sche M فرع واحد / تدلا سؤال/ Q1/Write a notes on heat balance sheet, draw that on the energy flow and enhance your answers with equations. 2:2 Q2/An indicator diagram taken from a single cylinder four stroke, compression ignition engine has a length of 100/mm and an area of 2045 mm². The indicator pointer deflects a distance of 10 mm for a pressure increment of 2 bar in the cylinder. If the bore and stroke of the engine cylinder are both 100 mm and the engine speed is 900 rev/min, calculate the mean effective pressure and the indicated power. If the mechanical efficiency is 0.75, what is the brake power developed. Draw the indicator diagram.) ip or bif 03 A diesel engine develops 5kW. Its indicated thermal efficiency is 0.3 and mechanical efficiency 0.75. Estimate the fuel consumption of engine in (a) Kg/hr (b) liters/hr (c) indicated specific fuel consumption and (d) brake specific fuel consumption. Take heat value of fuel 42000 kJ/Kg and density of fuel 0.87…

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