An oven – dried soil of mass 400g is placed in a pycnometer where empty weight is 573g. ...
View QuestionIn pycnometer method of water content determination, it is necessary to accurately know the specific gravity G of soil whose water content is to be determined.
a) True b) False Answer: a Explanation: In pycnometer method, the water content is calculated from, \(w=[(\frac{M_2-M_1}{M_3-M_4})*(\frac{G-1}{G})- ...
View Question______ method is specially suited to a circumstance where water content is to be quickly determined for the purpose of proper field control.
a) Oven dryingb) Sand bathc) Alcohold) Calcium carbide Answer: dExplanation: Calcium carbide method is very ...
View QuestionAn organic soil sample is kept in oven for its water content determination. The temperature preferred is ______
a) 60°b) 80°c) 105°d) 110° Answer: aExplanation: For organic soils like peat, a lower temperature ...
View QuestionIn oven drying method, the soil sample is kept for about ______ hours in the oven.
a) 1b) 2c) 24d) 48 Answer: cExplanation: For complete drying, sandy soil takes about 4 ...
View QuestionThe water content of a soil sample cannot be determined by _____ method.
a) oven dryingb) alcoholc) calcium carbided) pipette Answer: dExplanation: The pipette method is the standard ...
View QuestionThe volume if voids of a rhombohedral array of spherical grains with α=75° is _______
The volume if voids of a rhombohedral array of spherical grains with α=75° is _______ a) 0.4266
View QuestionThe minimum possible void ratio of uniformly graded spherical grains is _______
a) 0.20 b) 0.25 c) 0.30 d) 0.35 Answer: d Explanation: Consider a unit cube of soil ...
View QuestionThe total volume of rhombohedron with face angle 60° is _______
a) 0.5 b) 0.7071 c) 0.9099 d) 1 Answer: b Explanation: The total volume of rhombohedron is given by, V = ...
View QuestionIn the densest state of packing, each sphere is in contact with ______ neighbouring spheres.
a) 6b) 12c) 8d) 18 Answer: bExplanation: In the densest state of packing, sphere centres ...
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