Glossary “RCM” Definition:
Restraints Control Module
r
RCRA
Glossary “RCRA” Definition:
Resource Conservation and Recovery Act. Regulates the handling, storage, treatment, transportation and disposal of solid waste.
RCC
Glossary “RCC” Definition:
Remote Climate Control Module
rattle
Glossary “rattle” Definition:
Rapid succession of short sharp noises.
Ravigneaux gear train
Glossary “Ravigneaux gear train” Definition:
A planetary gear train with two sun gears, three long and three short planetary pinions, planetary carrier, and ring gear.
Raytech
Glossary “Raytech” Definition:
Manufacturer of test equipment such as infrared thermocouples
RCAM
Glossary “RCAM” Definition:
VCT Solenoid Commanded in Crankshaft degrees.
RC engine
Glossary “RC engine” Definition:
A shortened term for Rotary Combustion engine.
ratcheting mechanism
Glossary “ratcheting mechanism” Definition:
Uses a pawl and gear arrangement to transmit motion or to lock a particular mechanism by having the pawl drop between gear teeth.
ratio
Glossary “ratio” Definition:
1). The relative amounts of two or more substances in a mixture. 2). The comparison of two numbers as in teeth on gears (drive and driven).
ratio valve
Glossary “ratio valve” Definition:
A device used on the front or steering axle of a heavy-duty vehicle to limit the brake application pressure to the actuators during normal service braking.
rationality
Glossary “rationality” Definition:
Term associated with comprehensive component testing in which signal inputs from components are compared to inputs from other components to verify conditions.
ratchet
Glossary “ratchet” Definition:
Common type of socket driving handle with a small lever that can be moved for either loosening or tightening nuts and bolts.
raster
Glossary “raster” Definition:
A type of display were each patern is stacked one on top of the other
raster pattern
Glossary “raster pattern” Definition:
Also known a stacked pattern.
rat
Glossary “rat” Definition:
A Chevrolet big block V-8 engine.
rat motor
Glossary “rat motor” Definition:
Nickname for any engine from the Chevy V8 (Big-Block) family. Originally released in 1965 as a 396 cid and available today with displacements as high as 572 cid with 720 BHP
RATCH
Glossary “RATCH” Definition:
The minimum sensed TP voltage standard.
random intermittent welds
Glossary “random intermittent welds” Definition:
Welds on one or both sides of a joint in which the weld increments are made without regard to spacing.
Rankine
Glossary “Rankine” Definition:
Thermometer scale for which the freezing point of water is 492¡ãR. Absolute zero is the beginning of this thermometer scale.