This set of Concrete Technology Multiple Choice Questions & Answers focuses on “Flaws in Concrete and Remedial Measures, Quality of Concrete”. 1. What C31 test under the Standard ASTM test method? a) Test Method for Making and Curing Concrete Test Specimens in the Field b) Test Method for Compressive Strength of Cylindrical Specimen c) Test … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Testing”. 1. In universal testing machine, for a circular section specimen, the gauge length is taken to be _____________ a) 3.65 √A b) 4.65 √A c) 5.65 √A d) 6.65 √A where A is the area of cross section of the specimen … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Sampling”. 1. Loss on Ignition (L.O.I.) is the loss in weight of cement after being heated to ____________ a) 1000°C b) 100°C c) 500°C d) 1500°C 2. On cooling below 1250oC, C3S decomposes ____________ a) Fast b) Slowly c) Never d) Depends … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Mix Design for Pumpable Concrete”. 1. IS code for Specification for ordinary Portland cement, 33 grade? a) IS 269:1989 b) IS 383:197 c) IS 455:1989 d) IS 456:2000 2. IS code for Specification for coarse and fine aggregates from natural sources for … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Road Method of Mix Design”. 1. According to IRC:15-2011, Characteristic Flexural Strength at 28 days is ____________ a) 4 N/mm2 b) 4.5 N/mm2 c) 5 N/mm2 d) 3.5 N/mm2 2. According to IRC:15-2011 _______% Fly ash is required to be replaced with … Read more
This set of Concrete Technology online test focuses on “American Concrete Method of Mix Design”. 1. Depending on the degree of workability and placing condition determine the ___________ a) Slump value b) The maximum size of aggregate c) The amount of mixing water d) The minimum water-cement ratio 2. Depending on the economical availability and … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Concept of Concrete Mix Design”. 1. The _________ compressive strength required from structural consideration. a) Nominal b) Minimum c) Maximum d) No 2. The adequate workability necessary for _________ compaction with the compacting equipment available. a) Half b) Quarter c) Full d) … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Pulse Velocity Test”. 1. An ultrasonic pulse velocity test is an _____________ a) Ex-situ, nondestructive test b) In-situ, nondestructive test c) Ex-situ, destructive test d) In-situ, destructive test 2. In this test, the strength and quality of concrete or rock is assessed … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Destructive and Non-Destructive Tests” 1. Which among the following is not a type of Non-destructive testing? a) Compression test b) Visual testing c) Ultrasonic testing d) Eddy current testing 2. Identify the type of destructive testing ______________ a) Radiographic test b) Dye … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Ring Tension Test”. 1. Ring test is the determination for ___________ a) Compressive strength b) Tensile strength c) Both Compressive and tensile strength d) Flexural strength 2. Ring test is not the determination for ______________ a) Breaking Force b) Tensile strength c) … Read more
