Problem 4. An axial strain gauge and a transverse strain gauge are mounted to the top...
A 120 Ω strain gauge with a gauge factor of 2 is mounted on a beam and connected in a Wheatstone bridge as shown in Figure Q1a. The bridge is powered by a 12 V DC supply in series with a 510 Ω resistance. The beam is subject to a tensile force, which produces an axial strain of 940 microstrain measured by the strain gauge .a) Under no strain, calculate the current in the strain gauge and the power dissipated by the...
Question 2 Figure Q2 shows a strain gauge bonded to a piece of steel under a tensile force. The direction of strain measurement is at 90° to the direction of the force. The gauge has been selected to be self-compensating for temperature but the leads to and from the gauge are subject to temperature variations of 130 °C. The strain gauge and the metal have the following properties: Steel specification Gauge specification Gauge factor-2.00 Young's modulus -210 GN/m2 Poisson's ratio...
3. Two different types of strain gauges with a nominal resistance of 120 2 are both used to measure an axial strain in Figure 3. They are connected to a Wheatstone bridge (the lead wire effect is negligible) at R1 and R3 R3 is a nickel wire strain gauge with a gauge factor -12.1 and R1 is a nicrome wire strain gauge with a gauge factor 2.1. The bridge has a supply voltage of 4.5V and two fixed resistors R2...
5. (20 points) We use strain gauge to create a fish weight scale. The strain gauges are mounted on a plastic tube with fish hanging on to it. The strain gauges have resistance R 2400 2 (unstrained) and the GF 2.14. A (1) Which is the dummy gauge, A or B? Circle the dummy gauge. (2) Show how to wire the two gauges and two fixed 2400 Ω resistors into the bridge circuit to provide temperature compensation, using the graphs...
Four strain gauges are mounted on a cantilever beam in a configuration like that shown in Error! Reference source not found. 6. It is used to measure vibrational bending moment that is applied to the beam itself. The specifications of the load cell are given as follows .Modulus of Elasticity: E-120 GPa · Beam dimensions (Length × Height (h) × Width (b)): 25cm × 0.75cm × 2.5cm .Non-deflected resistances of the strain gauges-3002 Strain gauge factor-3 .Wheatstone bridge voltage supply...
PROBLEM 1: The 45° strain rosette is mounted on the link of the backhoe. The following readings are obtained from each gauge 650[10). = -300(10) = 480(10"). Determine principal stresses on the link if it is made from steel with modulus of elasticity E - 200 GPa and Poisson's ratio v 0.3. (30p) A 2 Strain Rosettes Transformation equations (45°configuration) Ex = {a Ey = {c Yxy = 2ęp – (@a+ ac) Transformation equations (60°configuration) Ex = {a Ey =...
As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. Al resistors including the gage itself is 1202. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load (a). when a downward load is added, will...
P2: (40points) As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. All resistors including the gage itself is 12002. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load Strain gage Fig.1 Ri R2 DC...
i only need help with Q3
CEE 216 Civil Engineering Materials Steel 1. A 32-mm rebar with a gauge length of 200 mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data collected are shown in Table 1. Create a spreadsheet to complete the following. Table 1. Load and displacement data for a 32-mm rebar sample subjected to an increasing tensile load a. Create a plot of stress-strain. Label the axes and show...