1- Introduction

Question 1

Types of Sensors

Answer 1

laser, 
infrared, 
acoustic, 
ultrasonic, or
eddy current

Question 2

……. and ,,,,,,,, transducer arrays have greatly increased the single pass surface area scanned, while decreasing scanning times

Answer 2

Eddy current

ultrasonic

Question 3

,,,,,,, ultrasonic transducers have greatly increased the sensitivity and range of ultrasonic transducers while reducing noise

Answer 3

Piezo-composite

Question 4

,,,,,,,technology has been defined as the manipulation or self-assembly of individual atoms, molecules, or molecular clusters into structures

Answer 4

Nano

Question 5

Nanotechnology is consist of individual atoms, molecules, or molecular clusters having dimensions in the ,,,,,, nanometer range to create new materials

Answer 5

10 to 100

Question 6

NDT methods commonly employed by process control industries include:
- ,,,,,,,, gauges for non contacting process flow, level,
or density
- ,,,,,,,,, for measuring moisture in anhydrous gases and some
- ,,,,,,,,, to detect pipe and vessel thinning caused by
corrosion non aqueous liquids
- ,,,,,,,, ,for material and part identification
- ,,,,,,,,, for overhead gas pipe leaks
- ,,,,,,,,, in combination with other methods to determine
corrosion

Answer 6

• Neutron or gamma radiation
• IR analyzers
• Ultrasonic transmission
• Alloy analyzers
• Hand-held sonic detectors
• Visual inspection

Question 7

,,,,, is a modular-based instrumentation platform

designed for measurement and automation applications

Answer 7

PXI - (PCI eXtensions for Instrumentation)