Q1: i. Define and explain the following terms with appropriate examples and graphs. a. Sensitivity drift b. Zero drift c. Precision d. Accuracy ii. A load cell is calibrated in an environment at a temperature of 21C and has the following deflection/load characteristics. Load (kg) 0 50 Deflection mm 0.0. 1.0 When used in an environment at 35C, its characteristics changes to the following: Load (kg) 0 Deflection (mm) 0.2 50 100 1.3 2.0 150 3.0 100 2.4 150 3.5 200 4.0 a. Determine the sensitivity at 21C.. b. Calculate the total zero drift and sensitivity drift at 35C, c. Hence determine the zero drift and sensitivity drift coefficients. 200 4.6
Q1: i. Define and explain the following terms with appropriate examples and graphs. a. Sensitivity drift b. Zero drift c. Precision d. Accuracy ii. A load cell is calibrated in an environment at a temperature of 21C and has the following deflection/load characteristics. Load (kg) 0 50 Deflection mm 0.0. 1.0 When used in an environment at 35C, its characteristics changes to the following: Load (kg) 0 Deflection (mm) 0.2 50 100 1.3 2.0 150 3.0 100 2.4 150 3.5 200 4.0 a. Determine the sensitivity at 21C.. b. Calculate the total zero drift and sensitivity drift at 35C, c. Hence determine the zero drift and sensitivity drift coefficients. 200 4.6
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.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.12P
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