Glossary “sensors” Definition:
Devices that relay to the computer information such as throttle position, engine coolant temperature, manifold pressure and barometric pressure.
sensor unit
Glossary “sensor unit” Definition:
Term used for sending unit.
sensor safe RTV
Glossary “sensor safe RTV” Definition:
Low volatile silicone that does not give off vapors that can damage an oxygen sensor.
sensor plate
Glossary “sensor plate” Definition:
A plate used in the air intake of a continuous-flow, fuel-injection system to measure airflow.
sensor
Glossary “sensor” Definition:
A device that converts physical quantities such as pressure, airflow, temperature and velocity into electrical signals.
sensitizer
Glossary “sensitizer” Definition:
A chemical that causes a substantial proportion of exposed people or animals to develop an allergic reaction in normal tissue after repeated exposure to the chemical.
sensing voltage
Glossary “sensing voltage” Definition:
A condition that provides a means for the voltage regulator to monitor and control the battery voltage charge rate.
sensible heat
Glossary “sensible heat” Definition:
Heat that causes a change in the temperature of a substance, but does not change the state of the substance that can be felt or measured with a thermometer.
sending unit
Glossary “sending unit” Definition:
An electrical or mechanical sensing device that sends information relative to some physical property such as temperature, pressure or volume to a gauge or light. Also known as sensor unit.
semitrailer
Glossary “semitrailer” Definition:
A load-carrying vehicle equipped with one or more axles and constructed so that its front end is attached to, and supported by the fifth wheel of a semi-tractor that pulls it.
semimetallic brake lining
Glossary “semimetallic brake lining” Definition:
A brake lining that is made of an organic resin to bond steel fibers.
semifloating rear axle
Glossary “semifloating rear axle” Definition:
Axle that supports the weight of the vehicle on the axle shaft and transmits the driving force to the rear wheels.
semifloating axle
Glossary “semifloating axle” Definition:
A popular automotive system in which the axle shaft provides three functions: transfers torque to drive the vehicle, supports the car weight, and retains the wheel.
semielliptical spring
Glossary “semielliptical spring” Definition:
1). A leaf spring. 2). A set of leaf springs of progressive lengths stacked with the longest at the top to the shortest at the bottom.
semielliptical
Glossary “semielliptical” Definition:
Refers to the amount that the ends are higher than the center arch of a leaf-spring configuration.
semiconductor ignition system
Glossary “semiconductor ignition system” Definition:
Term used for electronic ignition system.
semiconductor
Glossary “semiconductor” Definition:
A solid material, usually germanium (Ge) or silicon (Si), that integrated circuits are made of, with an electrical conductivity between the high conductivity of metals and the low conductivity of insulators used to control the flow of electricity, containing 4 electrons in its valance shell a semiconductor is nether an insulator nor a conductor.
semicentrifugal clutch
Glossary “semicentrifugal clutch” Definition:
A clutch having weighted components in the pressure plate, such as rollers or release levers, that apply additional force against the pressure plate to hold the disc tighter during high engine rpm.
semiautomatic welding
Glossary “semiautomatic welding” Definition:
Manual welding with equipment that automatically controls one or more of the welding conditions.
semi-tractor
Glossary “semi-tractor” Definition:
A large truck having a fifth wheel used to tow a semitrailer.