1. A 4-stroke, single-cylinder gasoline engine has 85-mm bore and 85-mm stroke. What is the piston displacement of the engine? If the engine has a 10-compression ratio, what is its clearance volume? What would be the total volume of the cylinder? 2. A four-stroke gasoline engine is running at a speed of 3,000 rpm. The piston diameter is 4 inches while the stroke is 4.5 inches. What is the speed of the piston?

1. A 4-stroke, single-cylinder gasoline engine has 85-mm bore and 85-mm stroke. What is the piston displacement of the engine? If the engine has a 10-compression ratio, what is its clearance volume? What would be the total volume of the cylinder? 2. A four-stroke gasoline engine is running at a speed of 3,000 rpm. The piston diameter is 4 inches while the stroke is 4.5 inches. What is the speed of the piston? 3. A four-cylinder gas engine has 20-cm cylinder diameter and 40-cm stroke. The cylinders run at 150 rpm speed. The engine is a four-stroke cycle with 8 kg/cm² mean effective pressure. What is the area in cm2 and length of stroke of the engine piston in meter? Also, compute the power stroke per min per cylinder and the total power stroke of the 4 cylinders. Compute the indicated horsepower and the brake horsepower of the engine. And, what is the stroke-to-bore ratio of the engine? 4. Compute the specific fuel consumption of the 10 hp engine that drive a power tiller if it consumes diesel at a rate of 0.9 liters per hour. The density of fuel is 0.84 g/Li. 5. How many times the intake valve opens in a 4-stroke-cycle engine running at 2000 rpm. 6.If the compression ratio is 1:17, the clearance volume for 100 cm3 piston displacement volume is ___. 7.If a 4-cylinder, 2-stroke-cycle internal combustion engine has 600 explosion per minute, what is the engine rpm? 8. If the specific fuel consumption of a10-hp gasoline engine is 0.09 kg/hp-hr, how much fuel will it consume in 8 hours’ operation? Assume a 0.76 kg/liter density of fuel. 9.An engine has the following specification: (a) Number of cylinder – 8, (b) Piston diameter - 300 mm, (c ) Piston Stroke – 380 mm, (d) Speed – 1500 rpm, and (e) Compression Ratio – 1:9. Give the following: (a) Total piston displacement, (b) Indicated horsepower if mean effective pressure is 0.67 MPa, (c ) Piston speed, and (d) Mechanical efficiency if the rate output is 720 kW. 10.An 11.1 liter, 6 cylinder, 4 stroke engine has a 120 mm bore and 125 mm stroke. If its compressions ratio is 16, what is the clearance volume? What is the engine displacement per minute if it runs at 2,000 rpm? If biogas, with an energy content of 4,500 Kcal/m3 will be fueled into the engine, what would be its power output (in KW) considering a 10% brake thermal efficiency?