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Anonymous

Asked: 2 months agoIn: Electrical Engineering

In measurement of surface roughness, heights of 10 successive peaks and troughs were measured from a datum were 35, 25, 40, 22, 35, 18, 42, 25, 35, 23 microns. Determine i) Rt ii) Ra iii) average over definite ordinates iv) Root mean square value of roughness v) International grade of roughness.

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In measurement of surface roughness, heights of 10 successive peaks and troughs were measured from a datum were 35, 25, 40, 22, 35, 18, 42, 25, 35, 23 microns. Determine i) Rt ii) Ra iii) average over definite ...Read more

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Anonymous

Asked: 2 months agoIn: Electrical Engineering

A strain gauge is bended to a beam which is 12 cm long and has a cross-sectional area of 3.8 cm2. The unstrained resistance and gauge factor of the strain gauge are 220 and 2.2 respectively. On the application of load the resistance of the gauge changes by 015 2. If the modulus of elasticity for steel is 207 GN/m2, calculate: (1) The change in length of the steel beam. The amount of force applied to the beam.

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A strain gauge is bended to a beam which is 12 cm long and has a cross-sectional area of 3.8 cm2. The unstrained resistance and gauge factor of the strain gauge are 220 and 2.2 respectively. On the ...Read more

A strain gauge is bended to a beam which is 12 cm long and has a cross-sectional area of 3.8 cm2. The unstrained resistance and gauge factor of the strain gauge are 220 and 2.2 respectively. On the application of load the resistance of the gauge changes by 015 2. If the modulus of elasticity for steel is 207 GN/m2, calculate: (1) The change in length of the steel beam. The amount of force applied to the beam.

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VishalProfessional

Asked: 2 months agoIn: Electrical Engineering

In the measurement of surface roughness, height of 20 successive peaks and troughs were measured from a datum and were: 33, 25, 40, 22, 35, 18, 42, 25, 35, 22, 36, 18, 42, 22, 31, 21, 36, 18, 35 and 20 μm. If these measurements were obtained over a length of 20 mm, determine the C.L.A. (i.e. R a ), R.M.S and R z values of the rough surface. B) Determine the grade of roughness in case of R a value.

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In the measurement of surface roughness, height of 20 successive peaks and troughs were measured from a datum and were: 33, 25, 40, 22, 35, 18, 42, 25, 35, 22, 36, 18, 42, 22, 31, 21, 36, 18, ...Read more

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Anonymous

Asked: 1 month agoIn: Electrical Engineering

An electronic device dissipating 50 W is attached to the inner surface of an isothermal cubical container that is 120 mm on a side. The container is located in the much larger service bay of the space shuttle, which is evacuated and whose walls are at 150 K. If the outer surface of the container has an emissivity of 0.8 and the thermal resistance between the surface and determine the power generation in watts per unit of outer surface area.

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An electronic device dissipating 50 W is attached to the inner surface of an isothermal cubical container that is 120 mm on a side. The container is located in the much larger service bay of the space shuttle, ...Read more

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VishalProfessional

Asked: 2 months agoIn: Electrical Engineering

A simple electrical strain gauge of resistance 120Ω and having a gauge factor 2 is bond to steel having an elastic limit stress of 400MN/m 2 and modulus of elasticity is 200G N/m. Calculate the change in resistance. (a) Due to a change in stress equal to 1/10 of the elastic range; (b) Due to change of the temperature of 20 0 C if the material is advance alloy. The resistance temperature coefficient of advance alloy is 20X 10 -6 / 0 C.

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A simple electrical strain gauge of resistance 120Ω and having a gauge factor 2 is bond to steel having an elastic limit stress of 400MN/m 2 and modulus of elasticity is 200G N/m. Calculate the change in resistance. ...Read more

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kupit_vrma

Asked: 3 weeks agoIn: Electrical Engineering

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Anonymous

Asked: 2 months agoIn: Electrical Engineering

A single strain gauge having resistance of 150 Ω is mounted on a steel cantilever beam at a distance of 0.2m from the free end. The beam dimensions are 30 cm (length) x 1.8 cm (width) x 0.28 cm (depth). An unknown force F applied at the free end produces a deflection of 11 mm at the free end. If the change in gauge resistance is found to be 0.1522. Calculate the gauge factor. Take Young's modulus of steel as 200 GN/m²

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A single strain gauge having resistance of 150 Ω is mounted on a steel cantilever beam at a distance of 0.2m from the free end. The beam dimensions are 30 cm (length) x 1.8 cm (width) x 0.28 ...Read more

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pryzhki_s_parashyutom_peOr

Asked: 2 days agoIn: Electrical Engineering

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VishalProfessional

Asked: 2 months agoIn: Electrical Engineering

A single strain gauge having resistance of 130 Ω is mounted on a steel cantilever beam at a distance of 0.12m from the free end. The beam dimensions are 25 cm (length) x 2.0 cm (width) x 0.3 cm (depth). An unknown force F applied at the free end produces a deflection of 11.8 mm at the free end. If the change in gauge resistance is found to be 0.145 Ω. Calculate the gauge factor. Take Young's modulus of steel as 200 GN/m².

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A single strain gauge having resistance of 130 Ω is mounted on a steel cantilever beam at a distance of 0.12m from the free end. The beam dimensions are 25 cm (length) x 2.0 cm (width) x 0.3 ...Read more

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VishalProfessional

Asked: 2 months agoIn: Electrical Engineering

A resistance wire strain gauge with a gauge factor of 2 is hounded to a steel structure member is subjected to a stress of 120 MN/m2. The modulus of elasticity of steel is 200 GN/m2. Calculate the percentage change in the value of the gauge resistance due the applied stress.

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A resistance wire strain gauge with a gauge factor of 2 is hounded to a steel structure member is subjected to a stress of 120 MN/m². The modulus of elasticity of steel is 200 GN/m². Calculate the percentage ...Read more

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