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Gasoline tanker truck. When gasoline is loaded onto a tanker truck or dispensed from it into an underground tank at a gasoline station, great care must be taken so that a spark from electrostatic charges does not ignite the vapor. That charge is produced by the sloshing of the gasoline as it moves through hoses or when the truck travels along a road. For gasoline vapor, the critical value for the spark energy is critical - 24 mJ. To avoid fire and explosion, the truck must be grounded before gasoline is poured into it or poured out of it. The grounding is by means of a conducting cable with a resistance of 9.930, with one end buried in the ground and the other clipped to the truck (see the figure below). If a truck has a 669 pF capacitance and an initial potential energy of 2.50 J, how much time is required to discharge the truck to the critical value of potential energy?

Gasoline tanker truck. When gasoline is loaded onto a tanker truck or dispensed from it into an underground tank at a gasoline station, great care must be taken so that a spark from electrostatic charges does not ignite the vapor. That charge is produced by the sloshing of the gasoline as it moves through hoses or when the truck travels along a road. For gasoline vapor, the critical value for the spark energy is critical - 24 mJ. To avoid fire and explosion, the truck must be grounded before gasoline is poured into it or poured out of it. The grounding is by means of a conducting cable with a resistance of 9.930, with one end buried in the ground and the other clipped to the truck (see the figure below). If a truck has a 669 pF capacitance and an initial potential energy of 2.50 J, how much time is required to discharge the truck to the critical value of potential energy?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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View Policies Current Attempt in Progress Gasoline tanker truck. When gasoline is loaded onto a tanker truck or dispensed from it into an underground tank at a gasoline station, great care must be taken so that a spark from electrostatic charges does not ignite the vapor. That charge is produced by the sloshing of the gasoline as it moves through hoses or when the truck travels along a road. For gasoline vapor, the critical value for the spark energy is Ucritical = 24 mJ. To avoid fire and explosion, the truck must be grounded before gasoline is poured into it or poured out of it. The grounding is by means of a conducting cable with a resistance of 9.930, with one end buried in the ground and the other clipped to the truck (see the figure below). If a truck has a 669 pF capacitance and an initial potential energy of 2.50 J, how much time is required to discharge the truck to the critical value of potential energy? Number Units Saferack
Transcribed Image Text:View Policies Current Attempt in Progress Gasoline tanker truck. When gasoline is loaded onto a tanker truck or dispensed from it into an underground tank at a gasoline station, great care must be taken so that a spark from electrostatic charges does not ignite the vapor. That charge is produced by the sloshing of the gasoline as it moves through hoses or when the truck travels along a road. For gasoline vapor, the critical value for the spark energy is Ucritical = 24 mJ. To avoid fire and explosion, the truck must be grounded before gasoline is poured into it or poured out of it. The grounding is by means of a conducting cable with a resistance of 9.930, with one end buried in the ground and the other clipped to the truck (see the figure below). If a truck has a 669 pF capacitance and an initial potential energy of 2.50 J, how much time is required to discharge the truck to the critical value of potential energy? Number Units Saferack
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