Civil engineering Questions and solutions set - 5

Civil engineering Questions and solutions set - 5
Question:-
Option (A)
        LR = constant
Option (B)
        LR = constant
Option (C)
        LR = constant
Option (D)
        
Correct Option:
B
Question:-
Option (A)
        
Option (B)
        
Option (C)
        
Option (D)
        
Correct Option:
D
Question Solution:
Let ... (i)

        We know

         = tan-1A - tan-1B... (ii)

        eqn (i) can be rearranged as in eqn (ii)

        = tan-1(x1/3) - tan-1(x1/2)

        Also, so,

        
Question:-
Option (A)
        
Option (B)
        
Option (C)
        
Option (D)
        
Correct Option:
D
Question Solution:
12 + 2.22 + 32 + 2.42 + 52 + 2.62 + ..... + 2(n - 1)2 + n2

        when n = even,

        then,

        whenn = odd

        then,

        =
Question:-
Option (A)
        In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.
Option (B)
        In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.
Option (C)
        At the neutral axis of a beam, the bending stress is maximum.
Option (D)
        The bending stress in a beam is inversely proportional to the section modulus.
Correct Option:
C