Ireally need with these i couldnt find the answers anywhere
during which stage of engine operation does the burning mixture of air and fuel force the piston downward? a. exhaust b. compression c. intake d. power
how many basic categories of drivetrain systems are there?
a. two
b. four
c. five
d. three
horsepower is defined as work per unit of
a. torque.
b. work.
c. time.
d. force.
during what stage of engine operation does the piston move upward in the cylinder and force the burned gases out of the cylinder?
a. compression
b. ignition
c. power
d. exhaust
as you increase the speed of your car, the engine has to operate at higher and higher speeds in order to move the car along. if the engine was left in a low gear, the speed could become so excessive that it might damage the engine. which of these will prevent this from occurring?
a. shifting the vehicle into a higher gear to increase engine speed
b. shifting the vehicle into a higher gear to reduce engine speed
c. shifting the vehicle into a lower gear to reduce engine speed
d. shifting the vehicle into a lower gear to increase engine speed
when a piston is at its highest position in the cylinder, it's said to be at
a. top dead center.
b. bottom dead center.
c. top bottom center.
d. bottom top center.
the automotive system that connects the engine and the transmission to the wheels is called the
a. drivetrain system.
b. brake system.
c. steering system.
d. suspension system.
during which stage of engine operation does the piston squeeze the air-and-fuel mixture that's trapped in the combustion chamber?
a. intake
b. power
c. compression
d. exhaust
technician a says that horsepower is defined as work per unit of time or the rate of doing work. technician b says that one horsepower equals 550 foot-pounds per seconds. who is right?
a. a only
b. both a and b
c. neither a nor b
d. b only
during which stage of engine operation does the air that has been mixed with fuel get drawn into the cylinder?
a. exhaust
b. power
c. intake
d. compression
technician a says that almost every part of a vehicle is somehow powered by or controlled by an electrical or electronic system. technician b says that in most automobiles, the battery voltage required to run the electrical systems is approximately 12.6 volts. who is right?
a. neither a nor b
b. b only
c. a only
d. both a and b
technician a says horsepower information can be used by consumers to compare the power of different automobile engines. technician b says that manufacturers will often list the horsepower output of their engines in the online service information. who is right?
a. neither a nor b
b. b only
c. both a and b
d. a only
a complete run through all four stages of engine operation—intake, compression, power, and exhaust is called an engine
a. circuit.
b. characteristic.
c. cycle.
d. routine.
two technicians are discussing ase certification. technician a says that there are 60-plus exams each designed to discern the automotive service technician's knowledge of job-related skills. technician b says that exam questions are based on actual situations, scenarios, and problems that would be seen every day in an auto repair shop. who is right?
a. neither a nor b
b. b only
c. a only
d. both a and b
engine displacement is the of space that the piston must travel from the very bottom of its path to the very top of its path.
a. volume
b. circumference
c. pressure
d. depth
an auto technician who specializes in the service and repair of steering systems, wheel balancing, and alignment is called a
a. front-end specialist.
b. lubrication specialist.
c. service writer.
d. light repair technician