Instrument Calibration Multiple Choice Questions
Instrument Calibration Multiple Choice Questions Question 1 Identify the type of instrument calibration error(s) shown in this graph: (A) Hysteresis error (B) Linearity error (C) Both zero and span errors…
Control Loop Multiple Choice Questions
Study the basic control loop multiple choice questions (MCQ) and test your technical knowledge on industrial instrumentation concepts. Control Loops Multiple Choice Questions Question 1 A basic control loop will…
Top 10 Industrial safety Objective Questions
Industrial safety Objective Questions Question 1 The purpose of a lock-out/tag-out procedure is to: (A) Improve productivity on the job (B) Secure harmful energy sources to prevent injury (C) Slow…
Metal Tube Variable Area Flow Meters Principle
Metal Tube Variable Area Flow Meters measure the volumetric flow rate of liquid and gases that operate on the float principle.
4-20mA Transmitter NAMUR Signal Levels
One of the intrinsic benefits of a “live zero” analog signal standard such as 4-20 mA is that a wire break (open fault) can immediately be detected by the absence…
Ammonia Gas Detector Working Principle and Calibration
Ammonia gas detector working principle and calibration. (Make: Dragger Model : Polytron 5100) Gas detector is a very important safety device for any chemical plant. Its can give information in…
Troubleshooting with Loop Calibrator
Special-purpose electronic test instruments called loop calibrators exist for the express purpose of 4-20 mA current loop circuit troubleshooting. These versatile instruments are generally capable of not only measuring current,…
Pressure Gauge Functional Testing
Pressure Gauge Functional Testing Test Equipment Required Dead Weight Tester Test Gauge Also Read : What is a Dead Weight Tester ? Typical Test Set-up Procedure a. Check and…
Troubleshooting Current Loops with Voltage Measurement
Sometimes ammeter or current measurement with multimeter is unavailable at work locations , we can still perform useful troubleshooting measurements using nothing but a DC voltmeter / Multimeter with DC…
Mass Spectrometer Working Principle
Mass spectrometer : Principle: Mass spectrometer works on mass to charge ratio principle. To know the Mass spectrometer, first we have to know what is Mass Number ? Mass number…
