# in-situ density of soil MCQs

By: Prof. Fazal Rehman Shamil

Questions and Answers of Determination of in-situ density of soil for Civil Engineering.

If the mass of sand filling the calibrating container is 1450g and 1000cm3 is the volume of calibrating container in the sand replacement method, then what is its buk density?
(A). 1450 g/cm3
(B). 1.45 g/cm3
(C). 45 g/cm3
(D). 17 g/cm3
(E). None of these
Multiple Choice Question Answer: b

What is the IS code for the determination of dry density by the sand replacement method?
(A). IS 456:2000
(B). IS 2720-1975/88 (Part XXIX)
(C). IS 2720-1974/88 (Part XXVIII)
(D). IS 800
(E). None of these
Multiple Choice Question Answer: c

What do we use for calibration of the cylinder?
(A). Gravel
(B). Sand
(C). Soil
(D). Silt
(E). None of these
Multiple Choice Question Answer: b

What is the inner diameter of the core cutter?
(A). 5 cm
(B). 10 cm
(C). 13 cm
(D). 15 cm
(E). None of these
Multiple Choice Question Answer: b

Which method can’t determine the field density of the natural soil deposit?
(A). sand replacement
(B). oven-dry
(C). core cutter
(D). water displacement
(E). None of these
Multiple Choice Question Answer: b

How we will arrange the following for obtaining the correct procedure of sand replacement method?
I. Measurement of soil density
II. the determination of water content and the dry density
III. Calibration of the cylinder
(A). (I), (II), (III)
(B). (III), (II), (I)
(C). (III), (I), (II)
(D). (I), (III), (II)
(E). None of these
Multiple Choice Question Answer: c

What is the principle of the submerged mass density?
(A). Equilibrium of floating bodies
(B). Stroke’s law
(C). Archimedes’ principle
(D). Darcy’s law
(E). None of these
Multiple Choice Question Answer: c

How do we open the cylinder valve?
(A). (I), (II), (III), (IV)
(B). (II), (III), (I), (IV)
(C). (I), (III), (II), (IV)
(D). (II), (III), (IV), (I)
(E). None of these
Multiple Choice Question Answer: b