SSC JE 2019-20: Technical Quiz 17

The ozonation in drinking water helps to remove

Match list-I with List-II and select the correct answer using the codes given below the list:

List –I

(Material properties)

A) Ductility

B) Toughness

C) Endurance limit

D) Resistance to penetration

List-II

(Test to determine properties)

1) Impact test

2) Fatigue test

3) Tension test

4) Hardness test

In a two-dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax² + bxy and v = cxy +dy². What should be the condition for the flow field to be continuous?

A fully saturated soil has a water content of 200%
If G=2.6, the void ratio is

Consider two rods A, B of the same material and subjected to equal axial load. The rod A is of uniform cross-section with diameter d, and the rod B taper uniformly from diameter d at one end to diameter d/2at other end. The ratio of elongation of rod A to elongation of rod B will be:

The maximum amount of dust which may be permitted in aggregates is

The thickness of laminar boundary layer at a distance x from the leading edge over a flat plate varies as: