This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Radiographic Inspection”. 1. Radiographic inspection use _________ a) Sound waves b) AC c) X-rays d) Visible light 2. The dark areas represent an object with ________ a) Lower density b) High density c) Porosity d) Grain boundaries 3. The film in … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Eddy Current Inspection & Ultrasonic Testing”. 1. What principle defines eddy current inspection (ECI)? a) Lenz law b) Biot-Savart Law c) Electromagnetic induction principle d) Faraday’s law 2. Eddy current inspection (ECI) is generally restricted to a depth below ___________ a) … Read more
This set of Testing of Materials online quiz focuses on “Liquid Penetrant & Magnetic Particle Inspection”. 1. What is the disadvantage of the liquid penetrant test? a) Expensive b) Slow c) Not reliable d) Depth restriction 2. Liquid penetrant test can’t be used on _________ specimen. a) Large b) Simple c) Complex d) Internally defected … Read more
This set of Testing of Materials Questions & Answers for Exams focuses on “Dynamic Hardness Testing”. 1. Which of the following is a dynamic hardness test? a) Brinell b) Poldi c) Knoop d) Vickers 2. What is the standard height of impact for shore test? a) 125 mm b) 250 mm c) 500 mm d) … Read more
This set of Testing of Materials Question Bank focuses on “Microhardness Test”. 1. What is test load used in Micro hardness test? a) 2-200 gmf b) 5-1000 gmf c) 60 gmf d) 100 gmf 2. Which of the following is a Microhardness test? a) Brinell b) Knoop c) Rockwell d) Shore 3. What is the … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Rockwell Hardness Test”. 1. Which hardness test is most widely used in the US? a) Brinell b) Vickers c) Shore d) Rockwell 2. Rockwell test utilizes ___________ a measure of hardness. a) Load b) Depth of indentation c) Diameter of indentation … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Vickers Hardness Test”. 1. ___________ Indenter is used in Vickers hardness test. a) Hardened steel ball b) Diamond ball c) Diamond square pyramid d) Tungsten carbide 2. Vickers indenter has _________ angle between opposite faces of a diamond. a) 90° b) … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Brinell Hardness Test”. 1. What indenter is used for Brinell test? a) Hardened steel ball b) Diamond ball c) Diamond prism d) Steel prism 2. What test force is applied for nonferrous materials in Brinell test? a) 50 kgf b) 500 … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Indentation Hardness”. 1. Indentation hardness gives a rough idea of ____________ a) Yield strength b) Toughness c) Tensile strength d) Compressive strength 2. Which one is a micro-indentation test? a) Brinell b) Rockwell c) Shore d) Knoop 3. __________ is used … Read more
This set of Testing of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Scratch Hardness”. 1. What is the unit of scratch hardness? a) Rc b) Rb c) Mohs d) BHN 2. Which material has the highest scratch hardness? a) Talc b) Diamond c) Limestone d) Quartz 3. Which material has the lowest scratch … Read more
