This set of Concrete Technology Interview Questions and Answers for Experienced people focuses on “Concrete Cloth, Polymer Impregnated Concrete”. 1. What is the 10 day compressive failure stress in N/mm2? a) 40 b) 1500 c) 3.4 d) 180 2. What is the 10 day compressive young’s modulus in N/mm2? a) 40 b) 1500 c) 3.4 … Read more
This set of Tough Concrete Technology Questions and Answers focuses on “Sulphur Infiltrated Concrete, FRC”. 1. Main component in this concrete is _______ a) Cement b) Sulphur c) Sulphur and aggregates d) Aggregates 2. What is the compressive strength of this concrete? a) 60-115 MPa b) 10-16 MPa c) 35-50 GPa d) 500 GPa 3. … Read more
This set of Concrete Technology test focuses on “No Fines Concrete, High Density Concrete”. 1. No fines concrete is manufactured by _______ a) By adding no fines materials from normal concrete b) By eliminating no fines materials from normal concrete c) By reducing its strength d) By increasing its strength 2. Coarse aggregates which has … Read more
This set of Concrete Technology Quiz focuses on “Mix Design of LWC, Aerated Concrete”. 1. What is the amount of mixing water used to make LWC? a) 1/2 b) 2/3 c) 1/4 d) 1/3 2. What is the normal time to get uniform mixing? a) 30 seconds b) 2 or more minutes c) 1 minutes … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Structural Light Weight Concrete”. 1. Light weight cement content for compressive strength 2500 psi is _______ pounds per cubic yard. a) 400-510 b) 440-560 c) 530-660 d) 630-750 2. Light weight cement content for compressive strength 3000 psi is _______ pounds per … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Light Weight Concrete”. 1. The cement concrete, from which entrained air and excess water are removed after placing it in position, is called _________ a) Vacuum concrete b) LWC c) Prestressed concrete d) Sawdust concrete 2. The removal of excess air after … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Special Concrete”. 1. The cement concrete, from which entrained air and excess water are removed after placing it in position, is called ________ a) Vacuum concrete b) LWC c) Prestressed concrete d) Sawdust concrete 2. Light weight cement content for compressive strength … Read more
This set of Basic Concrete Technology Questions and Answers focuses on “Quality Management in Concrete Construction”. 1. Quality management system _________ perception of customers towards company. a) Improves b) Deprove c) Recede d) Worsen 2. Good quality construction _________ the wastage of materials, smooth function of the team. a) Increases b) Decreases c) Doesn’t effect … Read more
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Advantages of Quality Control”. 1. For walls, columns and vertical faces of all structural members, the form work is generally removed after __________ a) 24 to 48 hours b) 3 days c) 7 days d) 14 days 2. The basic requirement for … Read more
This set of Concrete Technology MCQs focuses on “Factors Causing Variation in the Quality of Concrete”. 1. Generally what is the w/c ratio? a) .25 b) .5 c) .75 d) 1 2. Silica fume is _________ a) Less reactive b) Neutral c) More reactive d) Absent in concrete 3. Content of SiO2 in silica fume? … Read more
