Instrumentations - Study guides, Class notes & Summaries

Sound - a form of mechanical energy produced by vibrating objects that is transmitted by pressure waves through a medium - needs a medium with particles to travel/propagate - cannot travel in a vacuum (medium with no particles) Mechanical Energy - has to be transmitted - propagated from one point to another - need a medium (can't propagate without a medium) Cycle - used to describe any changes in particle motion (particle displacement, density, or molecules, pressur...

Power Engineering - 4A Instrumentation Practice Questions with Verified Answers Common indicators necessary for proper process operation may include: a. low water cut-offs, flame scanners and safety values b. pressure, value position, and conductivity measurement devices c. interlocks and permissives d. programmable logic controls e. pneumatic, hydraulic, and electrical switches b. pressure, value position, and conductivity measurement devices A sensing element receives its sig...

Which is described as the ability of an object to resist compression and relates to the harness of a medium a stiffness b density c pressure d inertia a Stiffness An increase in PRF would lead to a an increase in DF b a decrease in PD c an increase in the number of cycles d decrease in resolution a an increase in DF Which of the following would have the highest propagation speed a air b bone c soft tissue d water b bone As imaging depth increases, PRF must: a...

4A - I - Energy Plant Instrumentation and Controls Questions and Answers 100% Correct When a process variable has no method of sending information to the final control element the system is known as a) an automatic system b) an open loop system c) a cascading system d) feedback system e) feedforward system b) an open loop system An open loop control system requires a) a transducer and a recorder b) minimum deviation from set point c) a very small amount of dead time or lag...

Instrumentation Nccer | 146 Actual Questions and Answers 100% Verified | 2024

Power Engineering 4a - Unit 9 - Plant Instrumentation Questions and Answers Already Passed Automatic systems which can make decisions are termed A) annunciation systems. B) logic systems. C) indicating systems. D) open loop systems. E) cascading systems. B In an automatic control system, the controller output signal manipulates the A) transmitter. B) sensing element. C) recorder. D) control valve. E) primary element. D The second from last step in an automatic boiler progr...

4th Class Part A Power Engineering - Instrumentation Final Review With Complete Solutions Flow is proportional to: Select one: a. the square root extractor b. pressure differential c. the square root of the temperature differential d. the square root of the pressure differential e. a constant head d A capillary is the name given to: Select one: a. the bulb holding the fluid of a filled thermometer b. the line attached to the measuring junction of a thermocouple c. a tube with...

Instrumentation Nccer Questions and Answers 100% correct 1) The three fundamental units of all physical quantities are length, mass, and _________? a) Pressure b) Temperature c) Matter d) Time d) Time 2) The meter-kilogram-second (MKS) system and the centimeter-gram-second (CGS) are part of the English system of measure? a) True b)False b) False 3) How many inches are in one meter? a) 1.52 b) 12 c) 39.37 d) 40 c) 39.37 4) When converting the dimensions of a...

1. the density of a fluid affect the displacers a. location b. buoyancy c. length d. height b 2. what mode must the controller be in before any changes are made to the process variable a. manual b. automatic c. shut down d. power off a 3. bills of material are found in a. General Arrangement drawings b. instrument detail drawings c. piping orthographics d. p&id a 4. when bench calibrating a temperature RTD transmitter, the the instrument technician should apply ...

The simplest method for accurately measuring piping or tubing prior to assembly is the _____. - ANS Shoulder to shoulder method The colors of the conductors of a type j thermocouple are typically? - ANS White and red If a persons heart is out of rhythm due to an electrical shock, the solution is to __________ - ANS Have a qualified person use emergency defibrillation eqiupment One mA is a unit of measure for current equal to _______ - ANS .001 amperes How many more ti...