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Civil Quiz 25
What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?
Nitrification
Algae growth
Denitrification
Eutrophication
Which of the following cement does not have field test?
There should not be any visible lumps
When hand is inserted in cement bag it should give cool feeling.
The colour of the cement should be greenish grey
Final setting time of cement is 600 minutes
is a personality attribute that measures the degree to which people believe they control their own fate.
culture
values
none of the above
locus of control
Which of the below is used to make a line of sight horizontally in a level?
Levelling head
Tangent screws
Foot screws
Telescope
In the cross-section method of indirect contouring, the spacing of cross-sections depends upon i) contour interval ii) scale of plan iii) characteristics of ground The correct answer is
(i)and(ii)
only (i)
(ii) and (iii)
(i), (ii) and (iii)
Refractory bricks are
All the above
Acid refractory bricks
Basic refractory bricks
Neutral refractory bricks
Which of the following is used as a basis for the classification of harbor?
protection
area
climatic condition
placement
The limitation in Operations Research is--------------------------------
Validating Model and output
Formulating human behavior
Formulating Control and Objectives
Data Collection
The diameters of a pipe at the sections 1 and 2 are 10 cm and15 cm respectively. The velocity of water flowing through the pipe at section 1 is 5 m/s. Determine the velocity at section 2.
2.22 m/sec
0.22 m/sec
4.40 m/sec
0.45 m/sec
Which of the following is one of the methods of analysis prescribed in the code for steel structures?
hinge analysis
dynamic analysis
roller analysis
limit analysis
There is seepage of water on both sides of load bearing wall of a building with flat roof. What remedy will you suggest?
Remove plaster on the wall and replaster with rich mix.
Inspect the roof for cracks over the wall and seal the crack.
Paint both the surfaces of the wall with oil paint.
Plaster both the surface of wall with cement mortar mixed with water proofing compound.
The pipes will expand considerably when the product temperatures are high and during cleaning.
FALSE
TRUE
Both A and B
None of the above
Sewer pipes are made of
Stone ware
Refractory clay
All the above
Earthen ware
Resins are
Used in varnishes
Left behind on evaporation of oil
Soluble in spirit
Not soluble in water
The intensity of stress which causes unit strain is called
modulus of rigidity
unit stress
modulus of elasticity
bulk modulus
Resultant pressure of the liquid in the case of an immersed body acts through
Centre of gravity
Metacentre
Centre of pressure
Centre of buoyancy
The rate of increase of velocity with respect to change in the position of fluid particle in a flow field is called as
temporal acceleration
all of the above
convective acceleration
local acceleration
Such a velocity at which the whole dye thread is diffused, is known as
critical velocity
upper critical velocity
lower critical velocity.
None of the above
A personality measure of the strength of a person's convictions is called______________.
ego strength
locus of control
none of the above
ego
For large sewers, maximum distance between manholes may be
200 m
300 m
50 m
100 m
The line formed by intersection of principal planes is called
projection line
line of intersection
origin line
reference line
Hume steel pipes are
Both (B) and (C)
Steel pipes
Steel shell coated from outside with cement mortar
Steel shell coated from inside with cement mortar
A line AB of length 24 cm is parallel to vertical plane and perpendicular to profile plane held at a distance of 5 cm away from horizontal plane and 6 cm away from the vertical plane. The distance from xy reference line to line AB is ________cm in front v
7.8
12
6
5
The area of the openings in screens should be such that the velocity of flow through them does not exceed
0.75 to 1 m/s
3 to 5 m/s
5 to 6 m/s
1.5 to 3 m/s
When discharge of an outlet is independent of the water levels in the water course and the distributary, the outlet is termed as a
rigid module
flexible outlet
semi-module outlet
non-modular outlet
The inner surface of an arch is called
voussoir
crown
intrados
extrados
... _________ has 3 roles ;Trainer,Motivator and Facilitator
Public relation officer
Junior engineer
HRD manager
Supervisor
The water supply system means
construction of reservoirs
the entire scheme of collection and disposal of liquid waste
construction of canals
the complete layout from the source of supply to the distribution
Strength of rubber belt for belt conveyors depends on_______
Number of plies
Type of reinforcement
Size of belt
Type of rubber
____________ is defined as a phenomenon of rise or fall of a liquid in a small tube, when the tube is held vertically in the liquid.
Compressibility
Vapor pressure
Capillarity
Viscosity