Civil Engineering - Online Test

Q1. Laplace transform for the function f(x) = cosh(ax) is
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. In the solution of the following set of linear equations by Gauss elimination using partial pivoting 5x + y + 2z = 34; ay - 3z = 12; and 10 - 2y + z = -4; the pivots for elimination of x and y are
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. The standard normal probability function can be approximated as

where xN = standard normal deviate. If mean and standard deviation of annual precipitation are 102 cm and 27 cm respectively, the probability that the annual precipitation will be between 90 cm and 102 cm is
Answer : Option B
Explaination / Solution:
No Explaination.


Q4. Match List-I (List of test methods for evaluating properties of concrete) with List-II (List of properties) and select the correct answer using the codes given below the lists :
List-I                                                          List-II
a. Resonant frequency test                      1. Tensile strength 
b. Rebound hammer test                          2. Dynamic modulus of elasticity 
c. Split cylinder test                                  3. Workability 
d. Compacting factor test                         4. Compressive strength
Codes:
Answer : Option A
Explaination / Solution:
No Explaination.


Q5. The product of matrices (PQ)-1 P is
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. The general solution of  is
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. What is the value of the definite integral
Answer : Option B
Explaination / Solution:
No Explaination.


Q8. The equation  can be transformed to  by substituting
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. The value of  is
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. If  and  are two arbitrary vectors with magnitudes a and b, respectively,  will be equal to
Answer : Option A
Explaination / Solution:
No Explaination.