JKSSB CE Practice Quiz 4

If the collapse load of the column is 450 kN, then the load-carrying capacity of the column designed using the working stress method is

The role of super Plasticizer in a cement paste is to

A jet of water issuing from a nozzle with a velocity 20 m/s hits a flat plate moving away from it at 10 m/s. The cross- sectional area of the jet is 100 cm². What is the force on the plate?

  The compressive required for the shortening of 0.1 mm for in a steel rod of length 1 m and diameter 28 mm is (E = 200 GPa)

In the falling head permeability test, in the duration of 3 hours the initial head of 1000 mm is dropped to 350 mm. The diameter of the stand pipe is 0.5cm. The length and diameter of the soil specimen are 20 cm and 10 cm respectively. What is the coefficient of permeability (mm/s) of the soil?

If the unsupported length of a stanchion is 4 meters and least radius of gyration of its cross-section is 5 cm, the slenderness ratio of the stanchion is

A 250 ml water sample initially has pH 10. For the sample of pH 4.5, 25 ml of 0.02 N  is required. The total alkalinity of water as  in mg/l is

A raft foundation with a basement floor is placed at a depth of 4 m below ground level. The superstructure imposes a load of 150 kN/m³ on the raft. The unit weight of the soil is 20 kN/m³. What is the value of the net loading pressure on the soil?

A 1 hr rainfall of 10 cm magnitude at a certain station has a return period of 50 years. The probability that a 1 hr rainfall of magnitude 10 cm or more will occur in each two successive years is: