Candidates can prepare for the GATE Exam (2015) by referring the questions (and the answer key) of the GATE exam (2013). 5 questions asked in Civil Engineering Paper of Engineering Exam 2013 are as follows:

1. There is no value of x that can simultaneously satisfy both the given equations.Therefore, find the ‘least squares error’ solution to the two equations, i.e., find the value of x that minimizes the sum of
squares of the errors in the two equations. ____

2. What is the minimum number of multiplications involved in computing the matrix product PQR? Matrixܲ has 4 rows and 2 columns, matrix ܳhas 2 rows and 4 columns, and matrixܴhas 4 rows and 1 column. __

3. A 1-h rainfall of 10 cm magnitude at a station has a return period of 50 years. The probability that a 1-h rainfall of magnitude 10 cm or more will occur in each oftwo successive years is:

(A) 0.04
(B) 0.2
(C)0.02
(D) 0.0004

4. Maximum possible value of Compacting Factor for fresh (green) concrete is:

(A) 0.5
(B) 1.0
(C) 1.5
(D) 2.0

5. As per IS 800:2007, the cross-section in which the extreme fiber can reach the yield stress, but cannot develop the plastic moment of resistance due to failure by local buckling is classified as

(A) plastic section
(B) compact section
(C) semi-compact section
(D) slender section

Click here to get full question paper on the official website GATE