et points each) 1. Which grade of clay brick should be used in Washington, D.CZ a) SW; b) MW; c) NW; d) None of them. 2.

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Et Points Each 1 Which Grade Of Clay Brick Should Be Used In Washington D Cz A Sw B Mw C Nw D None Of Them 2 1 (55.62 KiB) Viewed 39 times

et points each) 1. Which grade of clay brick should be used in Washington, D.CZ a) SW; b) MW; c) NW; d) None of them. 2. The nominal length of a masonry unit is 150 mm. What is the specified length of a) 160 mm b) 155 mm e) 150 mm d) 140 mm 3. Which strength of wood is the highest? a) Strength in longitudinal direction b) strength in tangential direction c) strength in radial direction d) all are the same. 4. Which direction of wood has minimum swelling/shrinkage? a) Longitudinal direction; b) radial direction: c) tangential direction: d) all are the same S. Which statement about wood is correct? a) Heavier wood (higher density) has higher strength. b) The compressive strength is higher than the tensile strength in the grain direction of woods. c) The shrinkage of wood is minimal in the tangential direction. d) Lignin contributes most to the strength of wood. 6. Which statement about the effect of moisture on the properties of wood is correct? a) Modulus of elasticity of wood increases with the increase of moisture content. b) Modulus of rupture of wood increases with the increase of moisture content. c) Compressive strength reduces with the increase of moisture content d) All above. Which statement about asphalt is correct? a) Asphalt emulsion in not cost-effective because it uses expensive organic solvent. b) RTFO is used to simulate the aging of the asphalt binder during manufacturing. c) Tmax should be used to estimate the potential of thermal cracking of asphalt concrete. d) The viscosity of the asphalt increases when the temperature increases. Which temperature should be used to estimate the potential of rutting of asphalt binder? a) Tmax (highest successive 7-day Avg. max. pavement temperature) - Tmin (Lowest expected temperature) + 18ºF (Tmax+Tmin)/2 Tmin