WorksheetsPowerplant Maintenance Quiz
Total questions: 10
Worksheet time: 3mins
What is the position of the piston that shows the smallest volume?
Bottom Dead Center
Middle Dead Center
Top Dead Center
Side Dead Center
In a 4-stroke engine, at how many degrees before top dead center does the intake valve open?
45°
50°
60°
15°
What is the main difference between a 2-stroke engine and a 4-stroke engine?
Number of strokes in the cycle
Number of cylinders
Type of fuel used
Presence of valves
What is the formula to calculate the total displacement of an engine with multiple cylinders?
Vt = Vu + N
Vt = Vu - N
Vt = Vu / N
Vt = Vu x N
What is the correct range of compression ratio for Otto cycle engines?
2:1 to 5:1
25:1 to 30:1
8:1 to 12:1
15:1 to 20:1
What is the power delivered to the propeller for useful work known as?
Indicated Horsepower
Frictional Power
Torque Power
Brake Horsepower
What is the measure of load expressed in pounds per inch or pounds per foot?
Pressure
Temperature
Torque
Volume
What is the position of the piston that shows the largest volume?
Top Dead Center
Bottom Dead Center
Side Dead Center
Middle Dead Center
What is the correct range of compression ratio for Diesel cycle engines?
14:1 to 18:1
28:1 to 30:1
8:1 to 12:1
20:1 to 25:1
What is the constant used to convert foot-pounds of work per minute to kilowatts?
25,000
33,000
50,000
40,000
