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Construction Material and Management
Critical Path Method
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1
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+1
-0.33
M20 concrete as per IS 456: 2000 refers to concrete with a design mix having _______.
A
an average cube strength of 20 MPa
B
an average cylinder strength of 20 MPa
C
a 5-percentile cube strength of 20 MPa
D
a 5-percentile cylinder strength of 20 MPa
2
GATE CE 2023 Set 1
MCQ (Single Correct Answer)
+1
-0.33
In cement concrete mix design, with the increase in water-cement ratio, which one of the following statements is TRUE?
A
Compressive strength decreases but workability increases 
B
Compressive strength increases but workability decreases
C
Both compressive strength and workability decrease 
D
Both compressive strength and workability increase
3
GATE CE 2022 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Match all the possible combinations between Column X (Cement compounds) and Column Y (Cement properties) :

Column X Column Y
(i) $${C_3}S$$ (P) Early age strength
(ii) $${C_2}S$$ (Q) Later age strength
(iii) $${C_3}A$$ (R) Flash setting
(S) Highest heat of hydration
(T) Lowest heat of hydration

Which one of the following combinations is correct?

A
(i) - (P), (ii) - (Q) and (T), (iii) - (R) and (S)
B
(i) - (Q) and (T), (ii) - (P) and (S), (iii) - (R)
C
(i) - (P), (ii) - (Q) and (R), (iii) - (T)
D
(i) - (T), (ii) - (S), (iii) - (P) and (Q)
4
GATE CE 2022 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Which of the following equations is correct for the Pozzolanic reaction?

A
Ca(OH)2 + Reactive Superplasticiser + H2O $$\to$$ C-S-H
B
Ca(OH)2 + Reactive Silicon dioxide + H2O $$\to$$ C-S-H
C
Ca(OH)2 + Reactive Sulphates + H2O $$\to$$ C-S-H
D
Ca(OH)2 + Reactive Sulphur + H2O $$\to$$ C-S-H
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Questions Asked from Marks 1
GATE CE 2025 Set 2 (1) GATE CE 2025 Set 1 (3) GATE CE 2024 Set 1 (2) GATE CE 2023 Set 2 (1) GATE CE 2023 Set 1 (1) GATE CE 2022 Set 2 (1) GATE CE 2022 Set 1 (1) GATE CE 2017 Set 2 (1) GATE CE 2016 Set 2 (1) GATE CE 2016 Set 1 (2)
GATE CE Subjects
Engineering Mechanics
Strength of Materials Or Solid Mechanics
Structural Analysis
Construction Material and Management
Reinforced Cement Concrete
Steel Structures
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
Hydrology
Irrigation
Geomatics Engineering Or Surveying
Environmental Engineering
Transportation Engineering
Engineering Mathematics
General Aptitude