Which one of the following is not ground water?

(A) from river side radial collector wells

(B) from infiltration gallaries

(C) water from natural springs

(D) rooftop water stored in underground tank

The layer on the top of a filtering medium formed by organic impurities is known as

(A) dirty skin

(B) tube settler

(C) permeable layer

(D) filtering layer

In treatment swimming pool water the filtration system to be used is

(A) slow sand filters

(B) pressure filters

(C) rapid sand filters

(D) any of the above

The sewer which obtains its discharge from two or more sewers is known as

(A) common sewer

(B) outfall sewer

(C) trunk sewer

(D) depressed sewer

The chemical most commonly used to increase speed of sedimentation of sewage is

(A) lime

(B) sodium permanganate

(C) copper sulphate

(D) sulphuric acid

How much planet in the sky

In the above case maximum moment at section 8 m from left support occurs when

(A) First 15 kN load is on the section

(B) Second 15 kN is on the section

(C) 8 kN load is on the section

(D) 10 kN load is on the section

The moment which makes all the fibres at the section to yield is known as

(A) moment of resistance

(B) plastic moment capacity

(C) yield moment

(D) flexural rigidity

The point in the cross section of beam through which if load acts there will not be any twisting of the beam but there will be only bending is known as

(A) shear centre

(B) centre of gravity

(C) centroid

(D) all the above

The shape factor of a diamond shaped section for bending about its diametral arise is

(A) 1.2

(B) 1.5

(C) 2.0

(D) 3.0

In a linearly elastic structure, partial derivative of the strain energy with respect to a load is equal to the deflection of the point where the load is acting, the deflection being measured in the direction of the load. This is known as

(A) Bernauli's theorem

(B) Castigliano's theorem

(C) Unit load method

(D) Work energy principle