Non Destructive Testing and Evaluation MCQs | Page - 1

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. Which of the following types of pre-cleaning processes may be used for liquid penetrant testing?

• (A) Wire brushing only
• (B) Detergent and water only
• (C) Vapour degreasing only
• (D) Any process that leaves the part clean and dry, does not harm the part and is

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (D) Any process that leaves the part clean and dry, does not harm the part and is

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. What is the likely result of incomplete removal of all excess penetrant from the test piece surface?

• (A) Formation of false indications
• (B) Formation of relevant indications
• (C) Exaggeration of the size of relevant indications
• (D) None of the above

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (A) Formation of false indications

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. What is the preferred pre-cleaning process for removal of oil and grease :

• (A) Steam cleaning with a added acid
• (B) Vapour degreasing
• (C) Steam cleaning
• (D) Ultrasonic cleaning

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (B) Vapour degreasing

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. Which pre-cleaning method may be used with either a solvent or a detergent solution?

• (A) Ultrasonic cleaning
• (B) Steam cleaning
• (C) Detergent wash
• (D) Vapour degreasing

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (A) Ultrasonic cleaning

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. What is the danger associated with using a wire brush during pre-cleaning?

• (A) Bristles from the wire brush may cause false indications
• (B) Contaminants from the wire brush may cause delayed hydrogen cracking of high carbon steels
• (C) The wire brush may not adequately remove organic soils
• (D) The wire brush may close or smear metal over

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (D) The wire brush may close or smear metal over

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. What is the preferred method of removing paint prior to performing a penetrant testing?

• (A) Sand blast
• (B) Chemical removers
• (C) Power wire brush
• (D) Shot blast

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (B) Chemical removers

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. What additional surface preparation or cleaning must be performed on a machined or ground aluminium casting prior to penetrant testing?

• (A) Vapour degreasing
• (B) Etching
• (C) Detergent wash
• (D) Nothing

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (B) Etching

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. Acceptable methods of penetrant application are:

• (A) Spraying
• (B) Dipping
• (C) Brushing
• (D) All of the above

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (D) All of the above

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. The time period during which penetrant remains on the surface of the test piece is called:

• (A) Dwell time
• (B) Soaking time
• (C) Fixing time
• (D) Development time

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (A) Dwell time

M

Mr. Dubey

🎓 Coach ⭐ 102.92K Points

📊 Non Destructive Testing and Evaluation

Q. Excess penetrant removal is a two step process with which of the following penetrant methods?

• (A) Water washable
• (B) Post emulsifiable
• (C) Solvent removable
• (D) Liquid oxygen applications

👁️ Show Answer 💬 Discuss 🔗 Share

✅ Correct Answer: (B) Post emulsifiable

• Previous
• 1
• 2
• 3
• 4

• ........

• Last
• Next

Jump to Go