SSC JE 2019-20: Technical Quiz 1

There are two hinged semi-circular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of

In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge is

Consider the following statements regarding aggregates:

(1) Dry aggregates absorb water from the mixing water and thus effect the workability

(2) Aggregates containing surface moisture contribute extra

(3) The free moisture content in fine aggregates results in reduction of volume.

(4) The free moisture content in coarse aggregates results in bulking of volume.

The process of hardening the concrete by keeping its surface moist is known

Which of the following statement is correct for sprinkler irrigation method?

If the velocity gradient is given by θ and dynamic viscosity of the fluid is given by μ. What is the shear stress on the wall of the boundary layer in the direction of motion?

The Vernier scale in whi10 divisions of the viernier is equal to 9 divisions of the main scale is called ___________

Which of the following is not a cause of slippage?

Bulking of sand is :