TPC- DATA TRANSMISSION QUESTIONS AND ANSWERS 2024/2025

The critical limitation in the installation of fiber optic cable is its  Minimum bend radius To what resolution can an 8-bit data word represent a temperature in a process with a span of 256°C?  1° C Graded index and single-mode fiber optic cables have been developed to  Reduce the distortion from multiple-mode propagation The accuracy of digital indicators is generally  0.1 to 1% of reading Data loggers generally are used to record  Slowly changing data Which of the following provides a particularly good defense against electromagnetically coupled noise?  Twisted wire pairs The output of a differential measurement device is proportional to the difference between  Its two signal inputs 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel! 1 | P a g e | G r a d e A + | 2 0 24 / 2 0 2 5 Digital data transmission is more accurate than analog because digital data are  Reconstructed at the receiver A discrete control system with an analog transducer can provide limited proportional control by varying the  On/off time An advantage of half-duplex serial transmission is that it can  Use the full channel bandwidth Which of the following provides the most effective defense against electrostatic coupling?  Shielding By definition intrensiclly safe equiptment  Can not ignite a hazodious atmosphere The guage factor for a typical bonded foil strain gauge is  2 Which of the following helps reduce ground loop noise  Cleaning and tightening ground connections An advantage of lasers over LED's as light sorces in fiber optic systems is that lasers  Couple more light entergy into the fiber 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel! 1 | P a g e | G r a d e A + | 2 0 24 / 2 0 2 5 A ground loop is  A common source of noise A change in the slope of a devices input/output curve indicates  Span adjustment An optical shaft encoder indicates shaft position by means of an output in the form of a(n)  Binary number Serial-to-parallel and parallel-to-serial conversion for serial data transmission is performed by integrated circuits calle