34.

35.

36.

37.

38.

39.

40.

109/23

Design of Pins is primarily governed by
A) Shear B) Bearing C) Flexure D) All of them

Which of the following are the general requirements of retaining wall ?
1. The factor of safety against sliding should be at least 1.5.

2. The bearing pressure at toe should be less than the bearing capacity of the
soil.

3. The resultant of the weight of the wall and the pressure exerted by the retained
earth should have an eccentricity not more than one sixth of the base width.

A) 18063 B) 1,2 and3 C) 1 only D) 1 and2

The development length in compression for a 25 mm diameter deformed bar of
grade Fe415 embedded in concrete of grade M30 whose design bond stress is
1.50 N/mm? is

A) 1505 mm B) 940 mm C) 755 mm D) 590 mm

The time required for 50% consolidation of a 3 cm thick clay layer (drained at both
top and bottom) in the laboratory is 1 minute. Time required for a 3-m-thick clay
layer of the same clay, sandwiched between sand layers in the field, under the same
pressure increment to reach 25% consolidation

A) 15000 minutes 8) 2500 minutes C) 10000 minutes 0) 5000 minutes

Determine the theoretical maximum dry density in g/ml for a soil sample having
specific gravity of 2.50 and optimum moisture content of 10%.

A) 2.00 B) 1.50 C) 2.50 D) 1.75

A fine-grained soil with liquid limit 70% and plastic limit 60% is classified as
A) No plastic B) Low plastic C) Medium plastic D) High plastic

Consider the following statements :

1. The standard penetration test is used for determining the relative density of
cohesionless soils.

2. For two soils having the same relative density, SPT N-value will be lower for
the soil having higher confining pressure.

3. For SPT N values, dilatancy correction is applied first before the overburden
correction.

Which of these statements is/are correct ?
A) 1 only 8) 1 and2 C) 2and3 D) 1, 2 3