Explore topic-wise MCQs in Soil Mechanics.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Soil Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

The coefficient of permeability by Packer for length in the range 10r > L r test is given by ________

A. (k= frac{q}{2 h}log_{10} frac{L}{r} )
B. (k= frac{q}{2 Lh}log_{10} frac{L}{r} )
C. (k= frac{q}{2Lh}log_{10} frac{L}{r} )
D. (k= frac{q}{2 Lh}sinh^{-1} frac{L}{2r} )
Answer» E.
2.

The coefficient of permeability by Packer for length greater than ten times the radius test is given by ________

A. (k= frac{q}{2 h}log_{10} frac{L}{r} )
B. (k= frac{v}{2 Lh}log_{10} frac{L}{r} )
C. (k= frac{q}{2Lh}log_{10} frac{L}{r} )
D. (k= frac{q}{2 Lh}log_{10} frac{L}{r} )
Answer» B. (k= frac{v}{2 Lh}log_{10} frac{L}{r} )
3.

The formula for the open-end test is given by _________

A. (k= frac{q}{5.5rh} )
B. (k= frac{5.5rh}{q} )
C. (k= frac{q}{5rh} )
D. (k= frac{q}{0.5rh} )
Answer» B. (k= frac{5.5rh}{q} )
4.

The U.S. Bureau of Reclamation (Earth manual 1960) has devised two types of pumping-in tests _________

A. open-end test and packer test
B. permeability test and radio test
C. dupin test and influence test
D. falling head and constant head permeability test
Answer» B. permeability test and radio test
5.

In the field determination, pumping must continue at a ________

A. uniform rate for sufficient time to approach steady state
B. non- uniform rate for sufficient time to approach steady state
C. uniform rate until just before time to approach steady state
D. non-uniform rate until just before time to approach steady state
Answer» B. non- uniform rate for sufficient time to approach steady state
6.

The permeability of the aquifer is ________ if the drawdown is 4m, discharge is 40litres/sec, thickness of confined aquifer is 30m and the radius of the well is 0.1m. The radius of influence is taken as 245m.

A. 36 m/day
B. 30 m/day
C. 26 m/day
D. 20 m/day
Answer» B. 30 m/day
7.

The formula for the pumping out test in an unconfined aquifer is given by _________

A. (k= frac{q }{1.36(H^2-h^2)}log_{10} frac{R}{r} )
B. (k= frac{q}{1.36(H^2-h^2)}log_{10} frac{R}{r} )
C. (k= frac{q}{ (H^2-h^2)}log_{10} frac{R}{r} )
D. (k= frac{q}{1.36(H^2-h^2)} )
Answer» C. (k= frac{q}{ (H^2-h^2)}log_{10} frac{R}{r} )