1. Which of the instruments is needed for testing the fineness of the cement?
C) Air permeability apparatus
2. Small fissures or hollows in a stone which renders it liable to decomposition are called
D) vents
3. Surface of a stone perpendicular to the line of pressure is known as
A) bed surface
4. The approximate % of calcium oxide in fat lime is
A) 90 – 95%
5. The lime is called as poor lime when % of clay is
C) > 30%
6. The weight of glass sheet used for panel should be
B) > 7.5 kg/m²
7. The nominal thickness of glass available in market ranges in between
A) 3.0 – 6.3 mm
8. Following plastic material is used to make building floors less susceptible to wear & tear
B) PVC & polyethylene
9. Plastic materials that exhibit excellent fatigue resistance is/are
B) HDPE & LDPE
10. In mild steel carbon percentage ranges in between
A) 0.15 – 0.25%
11. Tensile strength of Kevlar-29 fibre used in FRP is
A) 2860 MPa
12. Ceramics can easily withstand in high temperatures between
A) 400 – 550°C
13. Density of Aluminium is
B) 2.7 g/cm³
14. Specific Gravity of Fly Ash is in the range of
A) 2.1 to 3.0
15. Tensile strength of timber parallel to the fibres is in the range of
B) 80 – 190 N/mm²
