The maximum frequency usually used for contact testing is:

Related MCQs

• In a basic ultrasonic test pattern (A scan) for contact testing, the initial pulse (assume no sweep delay is used):
• Ultrasonic testing of material where the search unit is in direct contact with the material being tested may be:
• In contact testing, the entry surface indication is sometimes referred to as:
• Which of the following is an advantage of contact testing over immersion?
• Which of the following is a disadvantage of contact testing?
• Most contact testing is performed by which of the following techniques?
• Which of the following materials would probably require testing at the lowest frequency?
• Sound waves of a frequency beyond the hearing range of the human ear are referred to as ultrasonic waves or vibrations, and the term embraces all vibrational waves of frequency greater than approximately:
• Shear waves for ultrasonic testing are usually produced:
• Hydrophilic emulsifier contact time depends on which of the following?