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Home Question Bank Engineering Archive 2024 December 09

Engineering Questions from Dec 09,2024

Browse the Engineering Q&A Archive for Dec 09,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Calculate the indicated horsepower of the following engine: 7 cylinders, a stroke length of 0.91 feet, a bore of 5.2 inches, operating at 2400 rpm , and has an indicated mean effective pressure (IMEP) of 1030 psi per cylinder. Calculate the bore (in inches) of a single cylinder for an engine with the following parameters: 7 cylinders, a stroke length of 0.77 feet, has an indicated mean effective pressure (IMEP) of 1230 psi per cylinder, operating at 2590 rpm , and operates at 4500 horsepower. Round to 1 decimal place. Calculate the RPM for an engine with the following parameters: 7 cylinders, a stroke length of 0.7 feet, a bore of 5.1 inches, has an indicated mean effective pressure (IMEP) of 920 psi per cylinder, and operates at 4800 horsepower. Round to 1 decimal place. Remember, \( \mathrm{N}=\mathrm{RPM} / 2 \) Calculate the stroke length (in feet) of an engine with the following parameters: 6 cylinders, has an indicated mean effective pressure (IMEP) of 1510 psi per cylinder, a bore of 3.8 inches, operating at 1270 rpm , and operates at 1900 horsepower. Round to 2 decimal places. Calculate the Pressure (in PSI) in a single cylinder for an engine with the following parameters: 4 cylinders, a stroke length of 0.86 feet, a bore of 3.7 inches, operating at 1850 rpm , and operates at 6200 horsepower. Round to 1 decimal place. Calculate the indicated horsepower of the following engine: 4 cylinders, a stroke length of 0.85 feet, a bore of 3 inches, operating at 3440 rpm , and has an indicated mean effective pressure (IMEP) of 1280 psi per cylinder. Round to 1 decimal place. Calculate the indicated horsepower of the following engine: 7 cylinders, a stroke length of 0.85 feet, a bore of 4.3 inches, operating at 3240 rpm , and has an indicated mean effective pressure (IMEP) of 1310 psi per cylinder. Round to 1 decimal place. PowerGrid sub-station is required for most development to house the following equipment:- The minimum clearance required between side wall and the Main Switchboard In Singapore, a customer with a load demand of 2500 KVA will have 22 KVA , \( 50 \mathrm{~Hz}, 3 \) - wire voltage connecting to its HV Main Switchboard.
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