Civil engineering Questions and solutions set - 6

Civil engineering Questions and solutions set - 6
Question:-
Option (A)
first order and linear
Option (B)
first order and non-linear
Option (C)
second order and linear
Option (D)
second order and non-linear
Correct Option:
D
Question Solution:

+ sin x + yex = sin hx

Its order is two hence it is second order non-linear differential equation.

Question:-
Option (A)
stiffness is directly proportional to flexibility
Option (B)
stiffness is inversely proportional to flexibility
Option (C)
stiffness is equal to flexibility
Option (D)
stiffness and flexibility are not related
Correct Option:
B
Question Solution:

Question:-
Option (A)
1 + et
Option (B)
1 - et
Option (C)
1 + e-t
Option (D)
1 - e-t
Correct Option:
D
Question Solution:

Question:-
Option (A)
If f(x) is a linear function of x
Option (B)
If f(x) is a quadratic function of x
Option (C)
for any f(x)
Option (D)
for no f(x)
Correct Option:
C
Question Solution: