Civil Engineering Quiz 18
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A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will___________?
2 / 50
According to IS : 456-1978, the fiexural strength of concrete is_______?
3 / 50
For laminar flow in circular pipes, the Darcy?s friction factor f is equal to________?
4 / 50
In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,_____?
5 / 50
The upper surface of a weir over which water flows is known is_______?
6 / 50
The process of diffusion of one liquid into the other through a semi-permeable membrane is called ______?
7 / 50
Select the incorrect statement?
8 / 50
For drainage pipes in buildings the test applied before putting them to use, is_________?
9 / 50
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc_________?
10 / 50
The standard length of rail for Broad Gauge and Meter Gauge are respectively _________?
11 / 50
The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as_________?
12 / 50
The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be_______?
13 / 50
Silt excluders are constructed on the_______?
14 / 50
In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are_______?
15 / 50
A close coil helical spring of mean diameter D consists of n coils of diameter If it carries an axial load W, the energy stored in the spring, is_____?
16 / 50
Pick up the correct statement from the following?
17 / 50
The effective size of sand particles used in slow sand filters is______?
18 / 50
For a reinforced concrete section, the shape of shear stress diagram is______?
19 / 50
Practical fluids___________?
20 / 50
If the sand in-situ is in its densest state, then the relative density of sand is_____________?
21 / 50
A rigid body is in a stable equilibrium if the application of any force_________?
22 / 50
What is defined as the reduction of the value of certain natural resources such as mines, oil, timber, quarries, etc. due to the gradual extraction of its contents ?
23 / 50
Critical angle of electromagnetic radiation takes place if_________?
24 / 50
The locus of reaction of a two hinged semi-circular arch, is________?
25 / 50
Select the correct range of density index,ID _______?
26 / 50
If H is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be_______?
27 / 50
What is a market situation whereby there is only one buyer of an item for which there is no goods substitute ?
28 / 50
Most of the bacteria in sewage are_____?
29 / 50
The spacing of bars for perforations in coarse screens used for the treatment of sewage, is ___________?
30 / 50
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to__________?
31 / 50
The correct Prismoidal formula for volume is_______?
32 / 50
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is_______?
33 / 50
Local attraction in compass surveying may exist due to_______?
34 / 50
Unconfmed compressive strength test is_______?
35 / 50
The dimensions of centrifugal force are_________?
36 / 50
A passive sensor uses _______?
37 / 50
For highway geometric design purposes the speed used is_______?
38 / 50
Gypsum is a________?
39 / 50
Residual chlorine in water is determined by_______?
40 / 50
The force in CD of the truss shown in given figure, is_______?
41 / 50
The radius of a bar bend to form a hook, should not be less than______?
42 / 50
A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to__________?
43 / 50
High strength concrete is used in pre-stressed member_______?
44 / 50
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called________?
45 / 50
A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to_______?
46 / 50
The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is_______?
47 / 50
The resection by two point problem as compared to three point problem______?
48 / 50
The suitable cross-section of sewers to carry combined flow, is_________?
49 / 50
If D is the diameter of a circular sewer and D? is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is______?
50 / 50
The sewage treatment in septic tanks is due to_________?
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