1000 Best Soil and Foundation Engineering MCQ
Q57). 260 g of wet soil was taken in a pycnometer jar of weight 400 g in order to find the moisture content in the soil, with specific gravity of soil particles 2.75. The weight of soil and remaining water filled in pycnometer without air bubbles was 1415 g and the weight of pycnometer filled with water alone was 1275 g. The moisture content in the soil is
a).0.242
b).0.182
c).0.538
d).none of these.
Correct Answer:
0.182
Explanation:
Q58). The earth pressure of a soil at rest, is proportional to (where φ is the angle of internal friction of the soil)
a).tan (45° – φ)
b).tan (45° + φ)
c).tan (45° – φ)
d).none of these.
Correct Answer:
none of these.
Explanation:
Q59). The critical exist gradient of seepage water in soils, is
a).directly proportional to the voids ratio
b).inversely proportional to the specific gravity
c).directly proportional to the specific gravity
d).none of these.
Correct Answer:
none of these.
Explanation:
Q60). Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from
a).80° to 90°C
b).90° to 95°C
c).95° to 100°C
d).105° to 110°C
Correct Answer:
105° to 110°C
Explanation:
Q61). The ratio of the volume of voids to the total volume of the given soil mass, is known
a).porosity
b).specific gravity
c).void ratio
d).water content.
Correct Answer:
porosity
Explanation:
Q62). The compression index of a soil
a).decreases with an increase in the liquid limit
b).increases with an increase in the liquid limit
c).decreases with an increase in the plastic limit
d).is not related with plastic limit.
Correct Answer:
increases with an increase in the liquid limit
Explanation:
Q63). Pick up the correct statement from the following:
a).The void space between the soil grains, is filled partly with air and partly with water
b).In perfectly saturated soil, the voids are completely filled with water
c).In dry soil, the voids are completely filled with air
d).all the above.
Correct Answer:
all the above.
Explanation:
Q64). For shear strength, triaxial shear test is suitable because
a).it can be performed under all three drainage conditions
b).precise measurement of the pore pressure and volume change during the test is possible
c).stress distribution on the failure plane, is uniform
d).All of the Above
Correct Answer:
All of the Above
Explanation: