1. Four identical strain gages are mounted in the constant-moment region of a beam as shown...
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1. Four identical strain gages are mounted in the constant-moment region of a beam as shown in the figure below; two are axial (gages 1, 2) and two are transverse (gages 3, 4). These are placed in a Wheatstone bridge (see figure from Table 11.1 for labels) and the bridge constant is given below (see course slides). The bridge is balanced with no loads applied and then generates a bridge output of 24.970 mV with the loads shown below applied. Determine the gage factor for the gages using the following information: E = 16.5106 psi, v=vp=0. 34, E-8 volts, and gage resistance at balance is 350 2. Also, determine the resistance (in 2) for each of the gages when loaded. (16 points) 1.8" 0.60" 220 lb 18" Arrangement Four gauges with pairs sensing equal and opposite strains (two axial, two Poisson) 220 lb 1,2 8" 10" 18" Compensation Bridge Constant Provided x=2(1+) Temperature and axial 220 lb 18" 220 lb I only need to calculate the resistances. I already have a gage factor of 2.08. Need R1, R2, R3, R4. Please show how? 1. Four identical strain gages are mounted in the constant-moment region of a beam as shown in the figure below; two are axial (gages 1, 2) and two are transverse (gages 3, 4). These are placed in a Wheatstone bridge (see figure from Table 11.1 for labels) and the bridge constant is given below (see course slides). The bridge is balanced with no loads applied and then generates a bridge output of 24.970 mV with the loads shown below applied. Determine the gage factor for the gages using the following information: E = 16.5106 psi, v=vp=0. 34, E-8 volts, and gage resistance at balance is 350 2. Also, determine the resistance (in 2) for each of the gages when loaded. (16 points) 1.8" 0.60" 220 lb 18" Arrangement Four gauges with pairs sensing equal and opposite strains (two axial, two Poisson) 220 lb 1,2 8" 10" 18" Compensation Bridge Constant Provided x=2(1+) Temperature and axial 220 lb 18" 220 lb I only need to calculate the resistances. I already have a gage factor of 2.08. Need R1, R2, R3, R4. Please show how?
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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