This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Aggregates” 1. According to geological origin, aggregates is/are classified into __________ types. a) 1 b) 2 c) 3 d) 4 2. According to size, aggregates is/are classified into __________ types. a) 1 b) 2 c) 3 d) 4 3. What … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Chemical Composition Test”. 1. Portland cement is composed of four major oxides (CaO, SiO2, Al2O3, Fe2O3 ≥90%). a) True b) False 5. Insoluble Residue mainly comes from which compound? a) Lime b) Soda c) Silica d) Alumina 6. Loss on Ignition (L.O.I.) … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Setting Time Test”. 1. In cement hardening process ___________ instants are very important. a) 1 b) 2 c) 3 d) 4 2. What is the initial setting time? a) The time at which cement paste loses its plasticity b) The time at … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Standard Consistency Test”. 1. Why do we need Standard Consistency Test? a) To determine the quality of cement b) To determine the quality of water c) To determine the quality of mixed concrete d) To determine the strength of concrete block 2. … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Testing of Cement”. 1. How many times in each layer of concrete rodded in a slump cone? a) 75 b) 25 c) 12 to 15 d) 35 to 65 2. How many layers of concrete are placed to fill a slump cone? … Read more
This set of Tough Concrete Technology Questions and Answers focuses on “Sulphur Infiltrated Concrete, FRC”. 1. Which cement is used in sewage and water treatment plants? a) Rapid Hardening Cement b) Low Heat Cement c) Sulphate Resisting Cement d) Quick Setting Cement 2. Which cement is used for mainly building construction where strength required with … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Types of Cement”. 1. Which chemical compostion has highest content in OPC? a) Alumina b) Silica c) Lime d) Iron Oxide 2. Excess in lime causes _______ a) The cement to shrink and integrate b) The cement to shrink and disintegrate c) … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Hydration of Cement”. 1. What is hydration of cement? a) Chemical reaction of cement with acid b) Chemical reaction of cement with water c) Chemical reaction of cement with base d) Chemical reaction of cement with salt, and acid 2. As the … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Dry Process”. 1. What is dry process? a) Grinding and mixing of the raw materials in their dry state b) Grinding and mixing of the raw materials in their wet state c) Grinding and mixing of the raw materials in their medium … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Wet Process”. 1. What is wet process? a) Grinding and mixing of the raw materials in their dry state b) Grinding and mixing of the raw materials in their medium state c) Grinding and mixing of the raw materials in their wet … Read more
