Test 1, Review Materials

Test 1, Review Materials - Review For Test 1 Course...

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Unformatted text preview: Review For Test 1 Course Documents Course Packet Lecture Notes Engine Basics-Color Slides and B&W HO--Lectures 1-7 Tests & Exam Study Guides & Review Notes Study Guide for Test #1 Formulae for Engine Basics Practice Problems Engine Basics--PP 1-3 Handouts Formulae Sheet and IC Engine Websites Review For Test 1 Assignments On-line Quizzes Reading Very Little Outside Work!!! SEE ME FOR HELP!!! SEE TIPS!!! Please prepare ahead of time!!! Review For Test 1-Problems A 4-cylinder, 4-stroke cycle turbocharged diesel engine has a cylinder bore of 4. 5 in. and the piston moves a distance of 5.0 in. from HDC to CDC. Each cylinder's volumetric displacement (in.3) is: The crankshaft throw in inches for each crankpin (connecting rod bearing) journal is: If the compression ratio is 16.5, the combustion chamber volume (in.3)in each cylinder is: Review For Test 1-Problems A 4-cylinder, 4-stroke cycle turbocharged diesel engine has a cylinder bore of 4.5 in. and the piston moves a distance of 5.0 in. from HDC to CDC. If the ideal diesel cycle volume V3 (where fuel injection cuts off) is 15.52 in.3, the fuel cutoff ratio is: The ideal cycle efficiency (%) for this engine is: If the turbocharger for this engine delivers 501 ft3/min of air to the intake manifold at an engine speed of 2400 rpm, what is its volumetric efficiency (%)? Review For Test 1-Multiple Choice If the firing order of a six-cylinder, in-line engine is 1-2-4-6-5-3 and piston number 1 is at TDC beginning its power stroke, which valve(s) are open in cylinder number 6? A. B. C. D. Intake only Exhaust only Both intake and exhaust Neither intake nor exhaust For the engine in the above question, at what position is piston number 2 and on which stroke if piston number 3 is at a position such that the crankshaft crankpin journal is at 90 before TDC on its exhaust stroke? A. B. C. D. At 150 after TDC near the end of its intake stroke At 150 after TDC near the end of its power stroke At 90 before TDC on its compression stroke At 90 before TDC on its exhaust stroke Review For Test 1-Multiple Choice Which of the following best completes the statement? The rate at which fuel burns can be controlled by ________________________________. A. how much we compress the air B. how much fuel is used C. how volatile a fuel is used D. all of the above E. A and B only A and C only Review For Test 1- ID/Matching Listed in Column B are the 6 systems of an engine. Mark the letter identifying the system from Column B with the component of the system in Column A. Column A - Component Column B - System _____ a. Air cleaner A. Fuel _____ b. Governor B. Intake _____ c. Carburetor C. Exhaust _____ d. Intake Valves D. Lubrication _____ e. Muffler E. Cooling _____ f. Radiator F. Governing _____ g. Injection pump _____ h. Crankcase reservoir _____ i. Thermostat _____ j. Oil pump Review For Test 1- ID/Matching Piston pin boss Groove Pin bushing Piston pin Skirt Bearing shells Head Land Rod Cap Oil control ring Compression ring Rod Review For Test 1- ID/Matching Main bearing journal Connecting rod bearing journals (crank pin) Crankshaft throws Counterweights Flywheel Review For Test 1 Start at 7:45am. Bring pencils (no ink pens). Bring charged calculator (no laptops). THINK!!! ...
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This note was uploaded on 03/31/2008 for the course BSE 2484 taught by Professor Dhvaughan during the Spring '08 term at Virginia Tech.

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