C of Q 310T Engine Prep Questions and Answers 100% Solved

C of Q 310T Engine Prep Questions and Answers 100% Solved 1. Which of the following accurately describes engine displacement?! a. Total piston swept volume b. Mean effective pressure c. Peak horsepower d. Peak torque a. Total piston swept volume 2. Engine breathing in the two-stroke cycle is usually referred to as?! a. Inertial b. Scavenging c. Exhaust displacement b. Scavenging 3. The tendency of an object in motion to want to stay in motion is known as?! a. Kinetic energy b. Dynamic friction c. Inertia d. Mechanical force c. Inertia 4. When a modern diesel engine is running at optimum efficiency, the percentage of rejected heat would typically be?! a. 20% b. 40% c. 60% d. 80% c. 60% 5. What percentage of the potential heat energy of the fuel does the modern diesel engine convert to kinetic energy when it is operating close to optimum efficiency?! a. 20% b. 40% c. 60% d. 80% b. 40% 6. In which of the four strokes of the cycle is the cylinder pressure at its highest in a running diesel engine?! a. Intake b. Compression c. Power d. Exhaust c. Power 7. Where does scavenging take place on a four-stroke cycle diesel engine?! a. BDC after the power stroke b. TDC after the compression stroke c. Valve overlap d. 10 to 20 degrees ATDC on the power stroke c. Valve overlap 8. Ideally, where should peak cylinder pressure occur during the power stroke?! a. TDC b. 10 to 20 degrees ATDC c. 90 degrees ATDC d. At gas blowdown b. 10 to 20 degrees ATDC 9. Which of the seven subcircuits of the engine deals with the camshaft, valvetrains, and mechanical actuation of injectors and fuel pumping apparatus?! a. Powertrain b. Feedback assembly c. Lubrication circuit d. Engine housing circuit b. Feedback assembly 10. When running an engine at idle speed, which would typically be the optimum location to peak the cylinder pressure?! a. 20 degrees BTDC b. 10 degrees BTDC c. TDC d. 15 degrees ATDC d. 15 degrees ATDC 11. When running an engine at rated speed and load, which would typically be the optimum location to peak the cylinder pressure?! a. 30 degrees BTDC b. 15 degrees BTDC c. TDC d. 15