A pressure gauge measures steam to be 25 psig. What is the absolute pressure (in kPa)...
A pressure gauge measures steam to be 25 psig. What is the absolute pressure (in kPa) of the steam?
Homework Answers
1 psig = 6.89 kPa
Therefore
25 psig = 25 x 6.89 = 172.37 kPa
To calculate absolute pressure we need to add atmospheric pressure which is 101.32 kPa
Therefore the absolute pressure of steam is
172.37 + 101.32 = 273.64 kPa
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A pressure gauge measures steam to be 25 psig. What is the absolute pressure (in kPa)...
(f) Pressure at Point A is given as 550 kPa (gauge). Convert this to “psig”. (5...
(f) Pressure at Point A is given as 550 kPa (gauge). Convert this to “psig”. (5 points)
1. The pressure of steam inside a boiler is recorded by a pressure gauge which shows...
1. The pressure of steam inside a boiler is recorded by a pressure gauge which shows 1.2 N/mm². If the barometer reads the atmospheric pressure as 770 mm of mercury, find the absolute pressure of steam inside the boiler in N/m?, kPa and bar.
Your tire pressure gauge indicates that the pressure in your cold tires is 250 kPa on...
Your tire pressure gauge indicates that the pressure in your cold tires is 250 kPa on a mountain at an elevation of 3500 m. (a) What is the absolute pressure in your tires? (b) After your drive down to sea level, your tires have warmed to 25 C. What does your tire pressure gauge indicate now? assume standard atmospheric conditions
5. If you put air in your tires in La Paz, Bolivia, and your pressure gauge...
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14. An automobile tire is inflated to a gauge pressure of 207 kPa (30 lb/in.2) at a time when the surrounding pressure is 1 atm (101.3 kPa) and the temperature is 25°C After the car is driven, th...
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The barometric pressure is 720mmHg. The density of the oil is .80g/cm3. The bordoun gauge reads...
The barometric pressure is 720mmHg. The density of the
oil is .80g/cm3. The bordoun gauge reads 33.1 psig. What is the
pressure in kPa of the gas.
Examine Figure P5.34. The barometric pressure is 720 mm Hg. The density of the oil is 0.80 g/cm3. The Bourdon gauge reads 33.1 psig. What is the pressure in kPa of the 4 0 9 9 2 3 12 Gos Pis 24 20" 16 Hg Bour Gouge Figure P5.34
HW-33 (25 points) Superheated steam at an absolute pressure of 20 MPa and a temperature of...
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An automobile tire is filled to a gauge pressure of 185 kPa when its temperature is...
An automobile tire is filled to a gauge pressure of 185 kPa when
its temperature is 20°C. (Gauge pressure is the difference between
the actual pressure and atmospheric pressure.) After the car has
been driven at high speeds, the tire temperature increases to
57°C.
Please help with both parts of this problem. Thanks!
An automobile tire is filled to a gauge pressure of 185 kPa when its temperature is 20°C. (Gauge pressure is the difference between the actual pressure and...
Is gauge pressure larger, smaller, or the same as absolute (true) pressure?
Is gauge pressure larger, smaller, or the same as absolute (true) pressure?
(f) Pressure at Point A is given as 550 kPa (gauge). Convert this to “psig”. (5 points)
1. The pressure of steam inside a boiler is recorded by a pressure gauge which shows 1.2 N/mm². If the barometer reads the atmospheric pressure as 770 mm of mercury, find the absolute pressure of steam inside the boiler in N/m?, kPa and bar.
5. If you put air in your tires in La Paz, Bolivia, and your pressure gauge is reading 25 psig, what is the absolute pressure inside the tire, in psia? (The standard atmospheric pressure in La Paz is about 62 kPa!) Answer: between 30 and 35 psia. 2. A manometer like the one we drew in class has water in the column. The side that is open to standard atmospheric pressure is 20 cm lower than the side open to...
14. An automobile tire is inflated to a gauge pressure of 207 kPa (30 lb/in.2) at a time when the surrounding pressure is 1 atm (101.3 kPa) and the temperature is 25°C After the car is driven, the temperature of the air in the tire increases to 40°C. Assuming the volume changes only slightly, what will be the new gauge pressure in the tire? d) An oxygen tank with an internal volume of 20 liters is filled with oxygen under...
The barometric pressure is 720mmHg. The density of the
oil is .80g/cm3. The bordoun gauge reads 33.1 psig. What is the
pressure in kPa of the gas.
Examine Figure P5.34. The barometric pressure is 720 mm Hg. The density of the oil is 0.80 g/cm3. The Bourdon gauge reads 33.1 psig. What is the pressure in kPa of the 4 0 9 9 2 3 12 Gos Pis 24 20" 16 Hg Bour Gouge Figure P5.34
HW-33 (25 points) Superheated steam at an absolute pressure of 20 MPa and a temperature of 560°C flows into the turbine of a Rankine cycle. The absolute pressure at the turbines outlet is 0.5 bar, and liquid exits the condenser at an absolute pressure of 0.4 bar and a temperature 75°C. The absolute pressure is increased to 20.1 MPa across the pump. The turbine and pump have isentropic efficiencies of 81% and 85%, respectively. Cooling water enters the condenser at...
An automobile tire is filled to a gauge pressure of 185 kPa when
its temperature is 20°C. (Gauge pressure is the difference between
the actual pressure and atmospheric pressure.) After the car has
been driven at high speeds, the tire temperature increases to
57°C.
Please help with both parts of this problem. Thanks!
An automobile tire is filled to a gauge pressure of 185 kPa when its temperature is 20°C. (Gauge pressure is the difference between the actual pressure and...
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