Engine performance Exam 1 Questions and Answers 100% Pass

All overhead valve engines ________. Have the overhead valves in the head An SOHC V8 engine has how many camshafts? Two Torque is expressed in units of ________. pound-feet Horsepower is expressed in units of ________. foots per pound A normally aspirated automobile engine loses about ________ power per 1000 feet of altitude. 3% One cylinder of an automotive four-stroke cycle engine completes a cycle every ________. 720 degrees How many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine? one-half A rotating force is called ________. Torque Technician A says that the crankshaft determines the stroke of an engine. Technician B says that the length of the connecting rod determines the stroke of an engine. Which technician is correct? Tech A crankshaft Which component is NOT needed in a typical overhead cam engine? pushrod Technician A says that a typical DOHC V6 engine uses two camshafts. Technician B says that overhead cam engines generally can run at higher rotational speeds than overhead valve engines. Which technician is correct? Tech B overhead cam engines Which of the following is the most correct statement about the direction of engine rotation? Most engines rotate clockwise as viewed from the front of the engine. The following statements are all correct EXCEPT ________ Torque always results in movement