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 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Given that the scope of the construction work is well-defined with all its drawings, specifications, quantities and estimates, which one of the following types of contract would be most preferred?
A
EPC contract
B
Percentage rate contract
C
Item rate contract
D
Lump sum contract
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