MECH 262 Study Guide - Final Guide: Bias Of An Estimator, Ammeter, Radar Gun

• School: McGill University
• Department: Mechanical Engineering
• Course: MECH 262
• Professor: Farhang Daneshmand

Document Summary

2. 5 (a) a single conducting wire induces a small magnetic field around itself and if it is alternating current, will induce an alternating magnetic in the clamp on ammeter. The pressure drop is significant and this device is intrusive. (c) this device passes a beam of infrared radiation through the gases which absorb some of the radiation (see ch. This measurement has no effect on the composition of the gases and negligible effect on the gas temperature. It is non-intrusive. (d) this device measures rotational speed by shining a pulsing light on a mark on the shaft and adjusting the pulsing rate until the mark appears stationary (see ch. The light has negligible effect on the rotation of the shaft and is non-intrusive. If the difference varies with time, it is precision. 2. 7 (a) in most cases, this error will by systematic since repeated measurements at the same time will produce the same error.