Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN: 9781305084766
Author: Saeed Moaveni
Publisher: Cengage Learning
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Chapter 6, Problem 30P
(a)
To determine
The conversion of given atmospheric pressure value
(b)
To determine
The conversion of given atmospheric pressure value
(c)
To determine
The conversion of given atmospheric pressure value
(d)
To determine
The conversion of given atmospheric pressure value
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A gasoline line is connected to a pressure gage through a double-U manometer, as shown. If the reading of the pressure gage is 40 psi, determine the gage pressure of the gasoline line. Assume the unit weight of air to be 0.0765 lb/ft3.
1. The pressure in an automobile tire depends on the temperature of the air in the tire. When the
air temperature is at 545.67 Rankine, the pressure gauge reads 245 kPa. If the volume of the
tire is 0.025 m', determine the pressure rise (in lbf/in units) in the tire when the air
temperature in the tire rises to 70 °C. Also determine the amount of air that must be bled off
to restore pressure to its original value at this temperature. Assume the atmospheric pressure
to be 101.325 kPa.
Which of the following unit is NOT the Pressure unit?
o Pascal
o psi
o kelvin
o standard atmosphere
• A vacuum gage connected to a chamber reads 7 psi at a location where the
atmospheric pressure is 14.5 psi. What is the absolute pressure in the chamber?
o 7.5 psi
o 21.5 psi
o -7.5 psi
o 8.7 psi
Pressure is a scalar quantity, the pressure at a point in a fluid is the same in all
directions.
o True
o False
Chapter 6 Solutions
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Ch. 6.1 - Prob. 1BYGCh. 6.1 - Prob. 2BYGCh. 6.1 - Prob. 3BYGCh. 6.1 - Prob. 4BYGCh. 6.1 - Prob. BYGVCh. 6.2 - Prob. 1BYGCh. 6.2 - Prob. 2BYGCh. 6.2 - Prob. 3BYGCh. 6.2 - Prob. 4BYGCh. 6.2 - Prob. 5BYG
Ch. 6.2 - Prob. 6BYGCh. 6.2 - Prob. BYGVCh. 6.3 - Prob. 1BYGCh. 6.3 - Prob. 2BYGCh. 6.3 - Prob. 3BYGCh. 6.3 - Prob. 4BYGCh. 6.3 - Prob. BYGVCh. 6.5 - Prob. 1BYGCh. 6.5 - Prob. 2BYGCh. 6.5 - Prob. 3BYGCh. 6.5 - Prob. 4BYGCh. 6.5 - Prob. BYGVCh. 6.6 - Prob. 1BYGCh. 6.6 - Prob. 2BYGCh. 6.6 - Prob. 3BYGCh. 6.6 - Prob. BYGVCh. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - Prob. 10PCh. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - The air resistance to the motion of a vehicle is...Ch. 6 - Prob. 25PCh. 6 - Prob. 26PCh. 6 - Prob. 27PCh. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - The calorie is defined as the amount of heat...Ch. 6 - Prob. 35PCh. 6 - Prob. 36PCh. 6 - Prob. 37PCh. 6 - Prob. 38PCh. 6 - Prob. 39PCh. 6 - Prob. 40PCh. 6 - For the fin equation described in Problem 6.25, if...Ch. 6 - Prob. 42PCh. 6 - Prob. 43PCh. 6 - Prob. 44PCh. 6 - Prob. 45PCh. 6 - Prob. 46PCh. 6 - Prob. 47PCh. 6 - Prob. 48PCh. 6 - Prob. 49PCh. 6 - Prob. 50PCh. 6 - Prob. 51P
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- PROBLEM 6: A gasoline line is connected to a pressure gage through a double-U manometer, as shown. If the reading of the pressure gage is 260 kPa, determine the gage pressure of the gasoline line. Assume the density of air to be 1.225 kg/m^3. -Oil SG = 0.79 P gage = 260 kPa Gasoline SG = 0.70 45 cm 50 cm Pipe Air- 22 cm 10 cm Mercury SG = 13.6 Waterarrow_forwardCompute the gage pressure of a gas having an absolute pressure of 40 psia and the atmospheric pressure of 846 mbar, (note: 1bar=100kPa). Note: Use 1kg = 2.205lb Do not write the unit. You will only input the numerical answer in the space provided. Unit of the Correct Answer: psi (lb/in2) Decimal Places required in the final answer: 3arrow_forwardPROBLEM 1: Both a gage and a manometer are attached to a tank to measure pressure. Given the reading on the pressure gage, determine the differential height h of the mercury column. (Round off ONLY the final result to three decimal places. Indicate the unit of your final answer) -Oil 9.43 psi SG = 0.72 30" Air Water 12" Mercury SG = 13.6 harrow_forward
- PROBLEM 6: A gasoline line is connected to a pressure gage through a double-U manometer, as shown. If the reading of the pressure gage is 26o kPa, determine the gage pressure of the gasoline line. Assume the density of air to be 1.225 kg/m^3. * -Oil SG = 0.79 Pgage = 260 kPa Gasoline SG = 0.70 45 cm 50 cm Pipe Air- 22 cm 10 cm - Mercury SG = 13.6 Water Your answerarrow_forwardConvert the following into S.I. units, show complete solution, Do not use conversion table in getting the direct equivalent of Psi, Psf, KPa, Pa, ft-lb, Etc. go for the basic and show the solution 1) 123kg/cm2 to KPa 2) 370 Psi to kg/cm2 3)60 ft-lb to KN-marrow_forwardThe pressure in an automobile tire depends on the temperature of the air in the tire. When the air temperature is 25°C, the pressure gage reads 210 kPa. If the volume of the tire is 0.025 m3, determine the pressure rise in the tire when the air temperature in the tire rises to 60°C. Also, determine the amount of air that must be bled off to restore pressure to its original value at this temperature. Assume the atmospheric pressure to be 100 kPa. The gas constant of air is R = 0.287 kPa-m² ) = 0. 287 kPa m kg-K kg-K kJ 336 kPa. The pressure rise in the tire is The amount of air that must be bled off to restore pressure to its original value is 0.0070 kg.arrow_forward
- On the suction side of a pump, a Bourdon pressure gage reads 40 kPa vacuum ( = - 40 kPa). What is the corresponding absolute pressure if the local atmosphere pressure is 100 kPa (abs)?[Answer in units of kPa]arrow_forwardAn air compressor intakes atmospheric air at 101.325 kPa and increases its pressure to 1.275 MPa (gauge). The pressurized air is stored in a horizontal tank. What is the absolute pressure of air inside the tank?Express your answers ina. MPab. kPac. bard. standard atm (recall that 1 atm = 101.325 kPa )arrow_forwardRead the guide first before answering. I'll ratearrow_forward
- A pressure gauge at elevation 12m at the side of a tank containing a liquid reads 80 kPa. Another gauge at elevation 7m reads 120 kPa. Compute the specific weight of the liquid in N/m3. Do not write the unit. You will only input the numerical answer in the space provided. Unit of the Correct Answer: N/m3 Decimal Places required in the final answer: Zeroarrow_forwardWhat is the pressure of the air in the tank if z = 40 cm, y =100 cm, and x = 80 cm?arrow_forwardOn a sealed tank showed, calculate the pressure of the airarrow_forward
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