s. (a) Fly ash is the most widely used supplementary cementitious material in concrete because of its superior performance (strength and toughness). 6) True (ii) False () Alloy steels are steels that owe their distinctive properties to carbon. o True (ii) False (e) Both strength and modulus of elasticity increase as strength of concrete increases. True (ii) False (d) Fiber reinforced concrete is a replacement for traditional reinforced concrete. 6 True (ii) False

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Kindly answer all ???

s. (a) Fly ash is the most widely used supplementary
cementitious material in concrete because of its superior
performance (strength and toughness).
6 True
(ii)
False
( Alloy steels are steels that owe their distinctive
properties to carbon.
o True
(ii)
False
(e) Both strength and modulus of elasticity increase as
strength of concrete increases.
@ True
(ii)
False
(a) Fiber reinforced concrete is a replacement for traditional
reinforced concrete.
6 True
(ii)
False
(e) Fiber reinforced plastics can be used as a replacement to
structural steel as well as reinforcing steel.
6 True
(ii)
False
(m Addition of metakaolin results in increased strength and
toughness.
o True
(ii)
False
Both rounded and angular aggregates are acceptable for
Portland cement concrete.
True
(ii)
False
(b) Carbon content of pig iron is too low and must be
increased before it can be used in construction
applications.
o True
(ii)
False
o Some air-entraining agents also acts as a water-reducing
agent.
True
(ii)
False
Transcribed Image Text:s. (a) Fly ash is the most widely used supplementary cementitious material in concrete because of its superior performance (strength and toughness). 6 True (ii) False ( Alloy steels are steels that owe their distinctive properties to carbon. o True (ii) False (e) Both strength and modulus of elasticity increase as strength of concrete increases. @ True (ii) False (a) Fiber reinforced concrete is a replacement for traditional reinforced concrete. 6 True (ii) False (e) Fiber reinforced plastics can be used as a replacement to structural steel as well as reinforcing steel. 6 True (ii) False (m Addition of metakaolin results in increased strength and toughness. o True (ii) False Both rounded and angular aggregates are acceptable for Portland cement concrete. True (ii) False (b) Carbon content of pig iron is too low and must be increased before it can be used in construction applications. o True (ii) False o Some air-entraining agents also acts as a water-reducing agent. True (ii) False
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