QoS
Quality of Service
QR Code
Quick Response Code
QSS
Quick Start Sensor
QTY
Quantity
QVT
Query View Transformations
R
Radius
R/T
Rough Turn
R&D
Research and Development
R&M
Reliability and Maintainability
Ra
Rockwell A Scale
RAA
Responsibility, Authority, and Accountability
RACI
Responsible, Accountable, Consulted, Informed
RAM
Reliability, Availability, and Maintainability
RAM
Random Access Memory
RAM
Reliability, Ability and Maintainability
RAMS
Reliability, Availability, Maintainability, and Safety
RAMSS
Reliability, Availability, Maintainability, Safety, and Security
RARA
Roles, Authorities, Responsibilities, and Accountabilities
RAS
Reliability Availability and Serviceability
RASI
Responsibility Authority Support Inform
RB
Radio-communication Bureau
Rb
Rockwell B Scale
RBD
Reliability Block Diagram
RBM
Restricted Boltzmann Machine
Rc
Rockwell C Scale
RCCB
Residual Current Circuit Breaker
RCM
Reliability Centered Maintenance
RCRA
Resource Conservation and Recovery Act
RDE
Real Driving Emissions
RDF
Resource Description Framework
REA
Responsible Engineering Authority
REACH
Registration, Evaluation, Authorization, and Restriction of Chemicals
REEV
Range-Extended Electric Vehicle
REF
Reference Dimension
REINF
Reinforcement
ReLU
Rectified Linear Unit
REP
Risk Element Plan
REQ’D
Required
ReqIF
Requirements Interchange Format
RESS
Rechargeable Energy Storage System
REV
Revision
REV
Revision
RF
Radio Frequency
RFI
Request for Information
RFID
Radio Frequency Identification
RFP
Request For Proposal
RFQ
Request for Quote
RFS
Regardless Of Feature Size
RGBD
Red Green Blue Depth
RH
Right-Hand
RHP
Risk Handling Plan
RHR
Roughness Height Reading
RHS
Rectangular Hollow Section
RIM
Research In Motion
RITA
Research and Innovative Technology Administration
RIVN
Rivian Automotive, Inc.
RL
Reduced Level
RL
Relative Level
RL
Reinforcement Learning
RLV
Reinforcement Learning Ventures
RMA
Return Material Authorization
RMF
Risk Management Framework
RMON
Remote Monitor
RMP
Risk Management Plan
RMS
Root Mean Square
RMT
Reliability, Maintenance, and Testability
RNN
Recurrent Neural Network
RNT
Resilient Navigation and Timing
RO
Restriction Orifice
RO
Reverse Osmosis
RoHS
Restriction of Hazardous Substances
ROI
Return on Investment
ROM
Read Only Memory
ROSE
Risk-Oriented Systems Engineering
RPM
Revolutions Per Minute
RPM
Revolutions Per Minute
RPO
Recovery Point Objective
RPS
Revolutions Per Second Sensor
RR
Radio Regulations
RSB
Regional Strategy Board
RT
Room Temperature
RTD
Resistance Temperature Detector
RTO
Recovery Time Objective
RTP
Release To Production
RTU
Remote Terminal Unit
RTV
Room-Temperature Vulcanizing
RTV
Return To Vendor
RTZ
Return To Zero
RUL
Refractory Under Load
RUP
Rational Unified Process
Rz
Roughness, Mean Depth
S/C
Sharp Corners
S/F
Spotface
S/FACE
Spotface
S/N
Serial Number
S/S
Stainless Steel
S/S
Supersede
SaaS
Software as a Service
SaaS
Software as a Service
SABIC
Saudi Basic Industries Corporation