Junior Bellringer 12/9/2020

The most efficient air/fuel mixture is

• 12.6:1

• 14.7:1

• 18.5:1

• 20.4:1

A multi-port fuel injection system

• injects fuel through the air induction system

• injects fuel into the intake manifold near the valve

• uses a choke plate for cold weather operation

• distributes fuel through the throttle body

1. When lifting a vehicle, once the vehicle is lifted three feet in the air, the lift should be stopped, and what should ?be done

• Rock the car back and forth to make sure it’s stable

• Place jack stands under the car

• Get a second person to help the car be lifted the rest of the way

• Walk away from the lift and start another job

What is lug torque measured in ?

• centimeters

• psi

• inches

• foot lbs. or newton meters

The opening of an engine's valves is controlled by

• crankshaft

• valve springs

• intake manifold

• camshaft