Homework Answers
Venturimeter used in-
It is suitable for clean,dirty and viscous liquid.
Accuracy is 1% of full range.
pressure loss is low and viscosity effect is high.
Cost is medium.
Used in Aviation, automotive, chemical and medical sector.
Orrificemeter used in-
For clean , dirty and some slurry services.
pressure loss is medium , viscosity effect is high.
Cost is low.
Accuracy is 2 to 4 % of full scale.
Used in water treatment plant, power generation, chemical , gas generation.
Nozzlemeter used in
For both clean and dirty liquids.
Cost is medium.
Accuracy is 1-2% of full range.
pressure loss is medium and viscosity effect is high.
Used in chemical, power plant industries.
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(i) Mention application where the venturi meter, orifice meter and nozzle meter can be used in...
5. A venturi flow meter is to be used to measure the flow of air at low velocities, with air mass...
5. A venturi flow meter is to be used to measure the flow of air at low velocities, with air mass flow rate being given by 11/2 CA 2P (p2) RTPP2) where C is an empirically determined discharge coefficient, A is the throat flow area, pi and pp are the upstream and throat pressures, Ti is the absolute upstream temperature, and R is the gas constant for air. We want to calibrate this meter and to determine C to within...
A Venturi tube may be used as a fluid flow meter. If the fluid flow rate...
A Venturi tube may be used as a fluid flow meter. If the fluid flow rate in m3/s is 1.6 * 10-3 and the radius R1 = 2.4 *10-2 m of the inlet tube is 2.9 times the radius R2 of the outlet tube, and the fluid is water (ρ = 1000 kg/m3), find the pressure difference P1 - P2 in units of kPa. Enter a number with one digit behind the decimal point.
Using the Kline-McClinktock Method 17. A certain obstruction-type flow-meter (orifice, venture, nozzle), shown in the figure,...
Using the Kline-McClinktock Method
17. A certain obstruction-type flow-meter (orifice, venture, nozzle), shown in the figure, is used to measure the flow of air at low velocities. The relation describing the flow rate is m = c A 20(21 – P2)]"?, where C = empirical-discharge coefficient A = flow area Pị and P2 = the upstream and downstream pressures, respectively T1 = upstream temperature R= gas constant for air Calculate both the uncertainty and percentage uncertainty in the mass flow...
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15...
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15 cm. The difference of pressure between the main and throat is measured by a liquid of s.g. 0.6 in an inverted U-tube which gives a reading of 30 cm. The loss of head between the main and throat is 0.2 times the kinetic...
Can I know full answer 2. Pressurized tank of water has a 10-cm-diameter orifice at the...
Can I know full answer
2. Pressurized tank of water has a 10-cm-diameter orifice at the bottom, where water discharges to the atmosphere. The water level is 3 m above the outlet. The tank air pressure above the water level is 300 kPa (absolute) while the atmospheric pressure is 100 kPa. Neglecting frictional effects, determine the initial discharge rate of water from the tank. Air 00 kPa 3 m 10 cm
A resistor made of Nichrome wire is used in an application where its resistance cannot change...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.05% from its value at 20.0°C. Over what temperature range can it be used in °C)? lowest temperature °C highest temperature oC
A resistor made of Nichrome wire is used in an application where its resistance cannot change...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.30% from its value at 20.0°C. Over what temperature range (in oC) can it be used? Enter the smaller value in the first box. From -57.5 degC to 97.5 degc Submit Answer Incorrect. Tries 1/10 Previous Tries
Maxwell's equations can be used to show that electromagnetic waves can propagate through space (a) Describe the key aspects of an electromagnetic wave. Your description should mention the electri...
Maxwell's equations can be used to show that electromagnetic waves can propagate through space (a) Describe the key aspects of an electromagnetic wave. Your description should mention the electric and magnetic fields, direction of propagation, and speed. A diagram would be useful in explaining these concepts (b) At some point in space, a sinusoidal electromagnetic wave has an intensity of 2.5 Wm2 Calculate the amplitudes of the electric field and the magnetic field at this point. Ensure that you include...
accelerometer can be used for different applications. The type of application is closely An related to...
accelerometer can be used for different applications. The type of application is closely An related to the range, natural frequecy and damping characteristies of the accelerometers. difference is in the method of mass displacement mesurement. T iples that can be used for designing an accelerometer The here are several . Explain clearly the working principle of those transducer accelerometer below that is used to measure any motion or displacement. i) LVDT (Linear Variable Differential Transformer) ii) Variable Reluctance iii) Piezoelectric...
I need to make an application that needs to be highly modular and that can easily...
I need to make an application that needs to be highly modular and that can easily be expanded with new functionality. I've thought up a design where I have a main window and a list of actions that are implemented using a strategy pattern. I'd like to implement the base classes/interfaces in a DLL and have the option of loading actions from DLL's which are loaded dynamically when the application starts. This way the main window can initiate actions without...
5. A venturi flow meter is to be used to measure the flow of air at low velocities, with air mass flow rate being given by 11/2 CA 2P (p2) RTPP2) where C is an empirically determined discharge coefficient, A is the throat flow area, pi and pp are the upstream and throat pressures, Ti is the absolute upstream temperature, and R is the gas constant for air. We want to calibrate this meter and to determine C to within...
Using the Kline-McClinktock Method
17. A certain obstruction-type flow-meter (orifice, venture, nozzle), shown in the figure, is used to measure the flow of air at low velocities. The relation describing the flow rate is m = c A 20(21 – P2)]"?, where C = empirical-discharge coefficient A = flow area Pị and P2 = the upstream and downstream pressures, respectively T1 = upstream temperature R= gas constant for air Calculate both the uncertainty and percentage uncertainty in the mass flow...
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15 cm. The difference of pressure between the main and throat is measured by a liquid of s.g. 0.6 in an inverted U-tube which gives a reading of 30 cm. The loss of head between the main and throat is 0.2 times the kinetic...
Can I know full answer
2. Pressurized tank of water has a 10-cm-diameter orifice at the bottom, where water discharges to the atmosphere. The water level is 3 m above the outlet. The tank air pressure above the water level is 300 kPa (absolute) while the atmospheric pressure is 100 kPa. Neglecting frictional effects, determine the initial discharge rate of water from the tank. Air 00 kPa 3 m 10 cm
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.05% from its value at 20.0°C. Over what temperature range can it be used in °C)? lowest temperature °C highest temperature oC
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.30% from its value at 20.0°C. Over what temperature range (in oC) can it be used? Enter the smaller value in the first box. From -57.5 degC to 97.5 degc Submit Answer Incorrect. Tries 1/10 Previous Tries
Maxwell's equations can be used to show that electromagnetic waves can propagate through space (a) Describe the key aspects of an electromagnetic wave. Your description should mention the electric and magnetic fields, direction of propagation, and speed. A diagram would be useful in explaining these concepts (b) At some point in space, a sinusoidal electromagnetic wave has an intensity of 2.5 Wm2 Calculate the amplitudes of the electric field and the magnetic field at this point. Ensure that you include...
accelerometer can be used for different applications. The type of application is closely An related to the range, natural frequecy and damping characteristies of the accelerometers. difference is in the method of mass displacement mesurement. T iples that can be used for designing an accelerometer The here are several . Explain clearly the working principle of those transducer accelerometer below that is used to measure any motion or displacement. i) LVDT (Linear Variable Differential Transformer) ii) Variable Reluctance iii) Piezoelectric...
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