Thursday, 18 April 2024, 11:27 PM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
P
Potential DifferenceDifference of electric potential between points (pd) volts. |
PotentiometerA variable resistor with manual operation that provides an output voltage from a sliding terminal on a resistor block. |
Pounds FeetOld unit of torque. Also foot pounds. Torque is now given in the SI units of Newton metres Nm. |
Pour PointApplied to fuel oils (diesel) to indicate the temperature where it will still flow under its own weight. The pour point specified value is 3 degrees above the point where it will only just flow. |
Powder CoatingsAny protective coating which is applied to the surface as a dry, finely ground powder and then carefully heated above its melting point so that the powder particles flow together to form a continuous film. |
PowerThe rate of doing work. It is measured by the standard unit called the watt (W) and is equal to one joule per second. This is a very small unit and kilowatt (kW) or megawatt (MW) is more often used. Also, Horsepower which is the old term for power. |
Power Assisted SteeringThe use of a hydraulic or electrical system to increase the driver's effort on the steering wheel thus reducing the effort that the driver has to apply. |
Power BoosterHydraulic or pneumatic brake pedal or hydraulic pressure booster. |
Power DistributionA central point from which various components are supplied. |
Power OutputPower developed by an engine. |