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A line joining the apex of a triangle to some fixed point on the opposite side is called a ?
Check line
Check line
See lessThe cement concrete, from which entrained air and excess water are removed after placing it in position, is called ?
Vacuum Concrete
Vacuum Concrete
See lessThe error in measured length due to sag of chain or tape is known as ?
Positive error
Positive error
See lessThe material used as an ingredient of concrete is usually ?
All Of These
All Of These
See lessThe amount of gypsum, usually, added in the manufacture of cement is ?
1 To 3%
1 To 3%
See lessThe angle between the back tangent and forward tangent of a curve is known as ?
Angle of intersection
Angle of intersection
See lessEfflorescence in cement is caused due to the excess of ?
Alkalies
Alkalies
See less