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Why do we need to control air pollution?
a. It causes harmful effects on human health, Materials and property, Plants and Animals, Visibility, Global climate and others
b. Chronic Effects
c. Acute Effects
d. Dosage = Conc. in breathed air * time
Atomic weight of an atom is equal to? Answer: sum of the number of protons and neutrons.
Durability requirements for Concrete Even though the alkaline environment of concrete protects steel, carbonation of hydrated cement may decrease the effective protection. The
Horizontal Curves: When a vehicle of mass m moves on a curve of radius R with a speed of v (m/sec) (as shown in Figure 1) it is subjected to a centrifugal force equal to:
A clay layer 25 metres thick has a saturated unit weight of 19.2 kN/m 2 . Ground water level occurs at a depth of 5 metres. It is proposed to construct a reinforced concrete founda
Multi Speed Restriction (i.e. existence of two or more than two speed restrictions in continuation) When work of deep screening or sleeper renewal is in progress, there is situ
i need journals or articles of forensic structural engineering
One nautical mile is described by one latitude minute of arc (there are 60 like minutes to a degree). This equals 1852 meters, and roughly (but coincidentally) 2000 yards or 6000 f
Determine about the pre-stressed concrete beam A pre-stressed concrete beam has a width of 200 mm and an overall depth of 400 mm. The permissible stresses in tension and compre
• Applied loads result in internal forces consisting of a shear force (from the shear stress distribution) and a bending moment (from the normal stress distribution) • Bending s
Q. Purpose of dowel bars in elastomeric bearing? Elastomeric bearing is generallycategorized into two types: free andfixed. For fixed types bridge deck is permitted only to rot
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