7. A load cell is calibrated in an environment at a temperature of 21°C and has the following deflection/load characteristic: Load (kg) Deflection (mm) 50 100 150 200 0.0 1.0 2.0 3.0 4.0 When used in an environment at 35°C, its characteristic changes to the following: Load (kg) Deflection (mm) 50 100 150 200 0.2 1.3 2.4 3.5 4.6 (a) Determine the sensitivity at 21 and 35°C. (b) Calculate the total zero drift and sensitivity drift at 35°C. (c) Hence determine the zero drift and sensitivity drift coefficients (in units of um/°C and (um per kg)/(°C).
7. A load cell is calibrated in an environment at a temperature of 21°C and has the following deflection/load characteristic: Load (kg) Deflection (mm) 50 100 150 200 0.0 1.0 2.0 3.0 4.0 When used in an environment at 35°C, its characteristic changes to the following: Load (kg) Deflection (mm) 50 100 150 200 0.2 1.3 2.4 3.5 4.6 (a) Determine the sensitivity at 21 and 35°C. (b) Calculate the total zero drift and sensitivity drift at 35°C. (c) Hence determine the zero drift and sensitivity drift coefficients (in units of um/°C and (um per kg)/(°C).
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.16P
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