On the basis penetrant removal technique , dye penetrant testing is classified into

• None of the above   

• Solvent , water and post emuslifiable

• Low , high and Medium sensitivity

• Fluorescent and Visual penetrants

Illumination Technique which involves placing light source and camera on the same side of the product or observer to provide illumination is referred as

• Oblique Illumination

• Front Illumination

• diffuse back illumination

• Coxial illumination

The Mechanical aid used to determine weld cut , undercut gauges, pit gauges are known as

• Endoscope

• Vernier

• Screw gauge

• Universal welding gauge

Which among the following is not a type of Non-destructive testing?

• Liquid penetrant testing

• Tensile test

• Visual Inspection testing

• Radigraphy

According to ASTM E709-95 powder shall be applied upon the part to be tested in such a manner that

• All of the above

• Spot Coating

• In excess coating

• A light uniform coating is formed

For a penetrant to be effective , the contact angle should be

• greater than 90°

• greater than 95°

• close to 0°

• equal to 90°

Which of the following statement’s is correct regarding Non Destructive testing (NDT)

• All of these

• NDT allows inspection without interfering with product final use

•  NDT techniques are used in manufacturing industries for quality control

• In service inspection are used to ensure product integrity in use

In several construction sites , heaps of sand is stored .If the stored sand gets wet in rain , the sand  grains form agglomerates .What  is the driving force of theses agglomerates

• Vanderwall Force  

• Capillary force

• All of above

• Magnetic force

When a small diameter tube is placed in a glass of water, water rises in the tube to a level above the adjacent surface. This is  called

• Capillary action

• Barometric testing

• Viscosity

• Surface tension

The ability of locate discontinuities that are close together within the material is called

Select one:

• Effectiveness

• Phase delay

• Sensitivity

• Resolution