The maximum shear force in a simply supported beam of span L, subjected to a central point load,
W is given by the following expression:
For simply supported beam shown in fig., the magnitude of vertical reaction at 'B' is
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If 'A' is the area of cross-section and 'I' is the moment of inertia of a given plane section, then radius of gyration (r) is given by the formula
Strain energy due to axial deformation is given by
(σ: resultant stress
P : axial load
Δ: deformation
∈ : strain
E : modulus of elasticity)
For the cantilever beam shown fig, the value ofshear Force at Fixed end is :
Which one of the following gives the distributino factor for members AE and AC of box sectionshown in the given figure
For the portal frame shown , the shear equation is
A twohinged semicircular arch of radius 'R' carries a concentrated load 'W' at the crown.
The horizontal thrust is
Due to some point load anywhere on a fixed beam. the maximum free bending moment is M.The sum of fixed end moment is
The method of computing areas by subdividing a plot into triangle is suitable for.
For small scale mapping, an error in centring is about permissible
The multiplying constant of techeometry is generally.
In reciprocal levelling, the error which is not completely eliminated is due to-
How high should a helicopter pilot rise at a point A just to see the horizon at point B if the distance AB is 40 km ?
Which of the following sight is applicable for a change point
When 1st class brick is immersed in cold water for 24 hours, it should not absorb water by weightmore than
The temperature at which the bricks are burn tin kiln varies from
As per specifications, the Initial setting time of ordinary portland cement should not be lessthan
In cements, generally the increase in strength during a period of 14 days to 28 days isprimarily due to
What is the approximate ratio of the strength of cement concrete at 7 days to what at 28days curing?
Which one of the following properties of cement concrete is ascertained by conducitngcompaction factor test?
The mix design for pavement concrete is based on
As a natural material, timber is which one of the following
The defect which develops due to uncontrolled and non uniform loss of moisture from wood isknown as which one of the following?
Why are bricks soaked in water before using in brick masonary?