Gypsum - MCQ 1. Gypsum loses all its water of crystallization at about a) 50° C.b) 100° C.c) 200° C.d) 300° C. View Answer b) 100° C. Gypsum loses all its water of crystallization at about 200° C. 2. Plaster of paris contains about a) 4 % of water.b) 6 % of water.c) 8 % … Continue reading Gypsum – MCQ || Building Materials || →

Plastic Materials - MCQ 1. Plastics are examples of a) Elastomers.b) Corrosive materials.c) Anhydrides.d) Polymeric materials. View Answer d) Polymeric materials. 2. The material which provides maximum elasticity to plastics is a) Filler.b) Solvent.c) Accelerator.d) Elastomer. View Answer a) Filler. 7. Which of the following constituent is added to achieve desired colour of the plastics … Continue reading Plastic Materials – MCQ || Building Materials || →

Building Mortars - MCQ 1. Building mortars are classified into 6 grades based on compressive strength a) 4 gradesb) 6 gradesc) 7 gradesd) 9 grades View Answer d) 9 grades. 2. Lime mortars are the mixture of a) Lime, cement, and water.b) Cement, sand and water.c) Hydraulic lime, sand, water.d) Air hardening lime, sand and … Continue reading Building Mortars – MCQ →

Ceramic Materials - MCQ 1. The word ceramic comes from which word? a) Keramosb) Kamosc) Ceramosd) None of these View Answer a) Keramos 2. Which of the following is not a ceramic material a) Glassb) Clayc) Limed) Abrasives View Answer c) Lime 3. Which of the following properties ceramics do not possess a) Hardnessb) Brittlenessc) … Continue reading Ceramic Materials – MCQ →

Ferrous Metals - MCQ 1. The ratio of Young's modulus of high tensile steel to that of mild steel is about a) 0.5b) 1.0c) 1.5d) 2.0 View Answer b) 1.0 2. In mild steel, the iron content is about a) 50 %b) 80 %c) 90 %d) 99 % View Answer d) 99 % 3. The … Continue reading Ferrous Metals – MCQ →

Timber - MCQ 1. How many months are required for natural seasoning of timber a) 1 to 3 months.b) 4 to 6 months.c) 8 to 11 months.d) 12 to 14 months. View Answer b) 4 to 6 months. 2. The drawback of electric seasoning of timber is a) Checks.b) Splitting.c) Cracks.d) Reduced strength. View Answer … Continue reading Timber – MCQ || Building Materials || →