WorksheetsTesting of Materials
Total questions: 20
Worksheet time: 10mins
What is the name of unit 3 in testing of materials?
Non constructive testing
Non destructive testing
Non demonstrative testing
Non decorative testing
What is the use of visual inspection?
Surface finish
Alignment of Mating Surfaces
Evidence of leakage
all the above
Which of the equipment not used for visual inspection?
Vernier caliper
Telescope
Optical comparator
Magnifying Mirrors
What is the basic principle of Liquid Penetration Test ?
Filling technology
Absorption
Capillary reaction
Coloring
What the image shoes ?
Welding test
Solid Penetrate test
Liquid Penetrant Test
Visual inspection
Choose mechanical cleaning method in LPT ?
Ultrasonic Cleaning
Alkaline Cleaning
Pickling
Solvent Wiping
What is the dwell timing for Stainless Steel Liquid Penetrant Testing?
10- 15 min
15 - 30 min
30 - 60 min
60 - 90 min
What are the radiography waves?
X Ray and Ultrasonic wave
Acoustic wave
X-Ray and Gamma Ray
Gamma and Acoustic Wave
Eddy current testing is suitable for ??
Semi conductors
Insulators
Conductive Materials
None of the above
What is the current flow direction in Eddy current Testing?
Transverse
Longitudinal
Circular
Linear
Choose the major components in Eddy current probe.
Surface probe
Internal bobbin
Enriching Probe
All of the above
Ultra sonic sound Frequency range in HZ
>= 200 Hz
>= 2000 Hz
>= 20000 Hz
None of the above
Which noise rage is not a risk to human hearing ?
0 - 60 db
0 - 65 db
0 - 70 db
All the above
Choose the frequency range of Acoustic Wave ?
20 Hz
20 kHz
20 MHz
200 MHz
Reduce the air gap between surface and transducer is called as
Ultrasonic testing
Couplant
Receiver
Oscilloscope
சிசிடிவி கேமராக்களை உலக அளவில் அதிகம் பயன்படுத்தும் முதல் 20 நகரங்களில் 16- வது இடமும், இந்திய அளவில் முதலிடத்தையும் பெற்றுள்ள நகரம் எது ?
சென்னை
டெல்லி
ஹைதராபாத்
மும்பை
In which year the Madras state was renamed as Tamilnadu?
1956
1961
1966
1969
Who is the first chief minister after renamed as Tamil Nadu?
C.N Anndurai
M G Ramachandhiran
M K Karunanidhi
Janaki Ramachandhiran
Which one is the recognized fruit in Tamil Nadu?
Jack Fruit
Banana
Mango
Orange
Which one is the largest district in Tamil Nadu in Population?
Salem
vellore
Thiruvannamalai
Chennai
