Search results
Results from the WOW.Com Content Network
A cold start is an attempt to start a vehicle's engine when ambient temperatures are much lower than its normal operating temperature. [1] A cold start can be difficult for an engine due to higher viscosity of oil and fuel in cold temperatures.
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
The weighting factors are 0.43 for the cold start and transient phases together and 0.57 for the hot start phase. [citation needed] Though it was originally created as a reference point for fossil fuelled vehicles, the UDDS and thus the FTP-75, are also used to estimate the range in distance travelled by an electric vehicle in a single charge. [7]
Electric vehicles' batteries don’t work as efficiently in the cold, and regulating cabin temperature can gobble up a lot of power, depending on a model's HVAC. Electric vehicle owners face the ...
It is a result of snow, ice, water, loose material and the texture of the road surface on the traction produced by the wheels of a vehicle. [ 1 ] Road slipperiness can be measured either in terms of the friction between a freely-spinning wheel and the ground, or the braking distance of a braking vehicle, and is related to the coefficient of ...
Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, harshness is a subjective quality, and is measured either via jury evaluations, or with analytical ...
The best way to prevent ice from forming on your vehicle is parking your car in a garage, but if you do not have access to one, auto club AAA recommends covering your windshield with a tarp, towel ...
United States Light-Duty Vehicle, Light-Duty Truck, and Medium-Duty Passenger Vehicle—Tier 2 Exhaust Emission Standards (for Bin 5) [4] Component Emission Rate Annual pollution emitted NMOG (Volatile organic compounds) 0.075 grams/mile (0.046 g/km) 2.1 pounds (0.95 kg) Carbon Monoxide 3.4 grams/mile (2.1 g/km) 94 pounds (43 kg) NO X