4th Class Power Engineering Unit A9 Chapter 2: Introduction to Process Measurement Questions and Answers Rated A+

4th Class Power Engineering Unit A9 Chapter 2: Introduction to Process Measurement Questions and Answers Rated A+ Glass stem thermometers are also known as: Select one: a. thermowells b. thermocouples c. liquid in glass thermometers d. filled system thermometers c This method of flow measurement consists of a length of pipe in which the cross sectional area converges to a minimum, then diverges to the original pipe size: Select one: a. pilot tube b. venturi tube c. flow nozzle d. orifice plate b The atmospheric gas mixture has a mass that exerts a pressure of approximately _________ on the earthʼs surface at sea level: Select one: a. 99.3 b. 101.3 c. 103.1 d. 100.3 b In this type of detection, the presence of the process material is detected at predetermined levels: Select one: a. continuous b. single point c. uninterrupted d. sensor b When the _________ and _________ are at different temperatures, the thermocouple produces a voltage: Select one: a. measuring junction / fixed junction b. measuring junction / reference junction c. sensing junction / reference junction d. sensing junction / fixed junction b This is a metal sheath used to house temperature sensors: Select one: a. thermometer b. thermosheild c. thermoelement d. thermowell d A pigtail _________ maintains a water seal between the steam in a boiler and the bourdon tube in a pressure gauge: Select one: a. siphon b. diaphragm c. bellows