1
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)
2
GATE CE 2022 Set 2
MCQ (More than One Correct Answer)
+1
-0

Let y be a non-zero vector of size 2022 $$\times$$ 1. Which of the following statements is/are TRUE?

A
yyT is symmetric matrix
B
yyT is invertible
C
yyT has a rank of 2022
D
yTy is an eigen value of yyT.
3
GATE CE 2022 Set 2
Numerical
+2
-0

A pair of six-faced dice is rolled twice. The probability that the sum of the outcomes in each roll equals 4 in exactly two of the three attempts is _________ (round off to three decimal places).

Your input ____
4
GATE CE 2022 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Consider the polynomial f(x) = x3 $$-$$ 6x2 + 11x $$-$$ 6 on the domain S, given by 1 $$\le$$ x $$\le$$ 3. The first and second derivatives are f'(x) and f''(x).

Consider the following statements :

I. The given polynomial is zero at the boundary points x = 1 and x = 3.

II. There exists one local maxima of f(x) within the domain S.

III. The second derivative f''(x) > 0 throughout the domains S.

IV. There exists one local minima f(x) within the domain S.

A
Only statements II and IV are correct.
B
Only statements I and IV are correct.
C
Only statements I, II and III are correct.
D
Only statements I, II and IV are correct.
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