26
In a detailed estimate the provision for contingencies is,usually
Answer
B. 3% to 5%
27
Original cost of property minus depreciation is
Answer
A. book value
28
While submitting a tender the contractor is required to deposit some amount with the department, as guarantee of the tender known as
Answer
D. earnest money
29
For a comfortable ascent of stairway the number of steps in a flight should be restricted to a maximum of
Answer
B. 12
30
Construction of temporary structure to support an unsafe structure is known as
Answer
A. Shoring
31
Which of the following is not an excavating equipment
Answer
B. Scrapper
32
An Ideal flow of any fluid must fulfil the
Answer
D. Continuity Equation
33
A cubical tank is filled with water. If side of tank is 1m ,pressure on the base of the tank will be
Answer
C. 1000 kg
34
The buoyancy depends upon the
Answer
B. weight of the liquid displaced
35
Block of wood 2m long, 2m wide and 1m deep is floating horizontally in water. If density of wood is 800 kg/m3, then the volume of water displaced will be
Answer
A. 3.2 cum
36
The flow in a pipe or channel is said to be uniform when
Answer
A. The liquid particles at all sections have the same velocities
37
Flow in a pipe is laminar if the Reynold’s number is
Answer
D. less than 2000
38
Two pipe systems in series are said to be equivalent when
Answer
D. the discharge under the same head is same in both the systems
39
In open channel water flows under
Answer
A. force of gravity
40
Weir may be used to measure
Answer
C. discharge in a river or channel
41
The direction of flow of liquid in a propeller pump impeller is in
Answer
B. axial direction
42
The ratio of volume of voids to the total volume of the given soil mass, is known as
Answer
A. porosity
43
Dry density of soil is
Answer
C. ratio of the weight of soil solids to the total volume
44
The effective size of a soil is
Answer
A. D10
45
A soil having uniformity coefficient more than 10 is called
Answer
D. well graded soil
46
The property of a soil which permits flow of water through its interconnected voids is called
Answer
C. permeability
47
The functional equation for specific gravity G ,water content w,void ratio e and degree of saturation Sr is
Answer
C. Sr= wG/e
48
The law states that in laminar flow in a saturated soil, the velocity is directly proportional to the hydraulic gradient is called
Answer
C. Darcy’s law
49
The gradual reduction in volume of a soil mass resulting from an increase in and continued application of compressive stress and is due to expulsion of water from the pores is called
Answer
B. consolidation
50
The minimum size of plate in plate load test is
Answer
D. 300 mm
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