Previous Year Questions
74 questions — organised by subject with solutions and explanations.
🎯 Practice smarter, not harder
Just sign in to unlock everything. Free for all students.
A four hour unit hydrograph of a catchment is triangular in shape with base of 80hours. The area of the catchment is 720 . The base flow and f-index are 30 and 1mm/h, respectively. A storm of 4cm occu
When the outflow from a storage reservoir is uncontrolled as in a freely operating spillway, the peak of outflow hydrograph occurs at
The intensity of rainfall and time interval of a typical storm are : The maximum intensity of rainfall for 20 minutes duration of the storm is
A circular primary clarifier processes an average flow of 5005 /d of municipal waste water. The overflow rate is 35 /d. The diameter of clarifier shall be
A city is going to install the rapid sand filter after the sedimentation tanks. Use the following data. Design loading rate to the filter : 200 Design flow rate : 0.5 Surface area per filter box : 50
In aerobic environment, nitrosomonas convert
1 TCU is equivalent to the color produced by
Match the following
In a certain situation, waste water discharged into a river mixer with the river water instantaneously and completely. Following is the data available : Waste water: DO = 2.00 mg/L Discharge rate = 1.
Group-1 contains some properties of water/wastewater and Group-2 contains list of some tests on water/wastewater. Match the property with corresponding test.
If tomato juice is having a pH of 4.1, the hydrogen ion concentration will be
Match the following
Bulking sludge refers to having
Two observation wells penetrated into a confined aquifer and located 1.5 km apart in the direction of flow, indicate head of 45 m and 20 m. If the coefficient of permeability of the aquifer is 30 m/da
Total Kjeldahl nitrogen is a measure of
A triangular irrigation lined canal carries a discharge of 25 /s at bed slope = . If the side slopes of the canal are 1:1 and Manning's coefficient is 0.018, the central depth of flow is equal to
A horizontal bed channel is followed by a steep bed channel as shown in the figure. The gradually-varied profiles over the horizontal and sleep beds are
Cross-section of an object (having same section normal to the paper) submerged into a fluid consists of a square of sides 2 m and triangle as shown in the figure. The object is hinged at point P that
An inert tracer is injected continuously from a point in an unsteady flow field. The locus of locations of all tracer particles at an instance of time represents
Critical depth at a section of a rectangular channel is 1.5 m. The specific energy at that section is
A partially open sluice gate discharge water into a rectangular channel. The tail water depth in the channel is 3 m and Froude number is . If a free hydraulic jump is to be formed at downstream of the
A tank and a deflector are placed on a frictionless trolley. The tank issues water jet (mass density of water = 1000 kg/ ), which strikes the deflector and turns by 45 . If the velocity of jet leaving
A stream function is given by The flow rate across a line joining points A(3,0) and B(0,2) is
The reading of differential manometer of a Venturimeter, placed at 45 to the horizontal is 11 cm. If the Venturimeter is turned to horizontal position, the manometer reading will be
The circulation 'G' around a circle of radius 2 units for the velocity field u=2x+3y and v=-2y is
For two infinite slopes (one in dry condition and other in submerged condition) in a sand deposit having the angle of shearing resistance 30 , factor of safety was determined as 1.5 (for both slopes).
A saturated soil mass has a total density 22 kN/ and a water content of 10%. The bulk density and dry density of this soil are
In a constant head permeameter with cross section area of 10 , when the flow was taking place under a hydraulic gradient of 0.5, the amount of water collected in 60 seconds is 600 cc. The permeability
A clayey soil has a maximum dry density of 16 kN/ and optimum moisture content of 12%. A contractor during the construction of core of an earth dam obtained the dry density 15.2 kN/ and water content
A soil mass contains 40% gravel, 50% sand and 10% silt. This soil can be classified as
For a tri-axial shear test conducted on a sand specimen at a confining pressure of 100 kN/ under drained conditions, resulted in a deviator stress ( ) at failure of 100 kN/ . The angle of shearing res
There are two footings resting on the grounds surface. One footing is square of dimension 'B'. The other is strip footing of width 'B'. Both of them are subjected to a loading intensity of q . The pre
Root time method is used to determine
A strip footing (8 m wide) is designed for a total settlement of 40 mm. The safe bearing capacity (shear) was 150 kN/ and safe allowable soil pressure was 100 kN/ . Due to important of the structure,
During the subsurface investigations for design of foundations, a standard penetration test was conducted at 4.5 m below the ground surface. The record of number of blow is given below. Assuming the w
Assuming that a river bed level does not change and the depth of water in river was 10 m, 15 m and 8 m during the months of February, July and December respectively of a particular year. The average b
A 3 m high retaining wall is supporting a saturated sand (saturated due to capillary action) of bulk density 18 and angle of shearing resistance 30 . The change in magnitude of active earth pressure a
Negative skin friction in a soil is considered when the pile is constructed through
Uplift pressure at point E and D (shown in figure ) of a straight horizonal floor of negligible thickness with a sheet pile at downstream end are 28% and 20%, respectively. If the sheet pile is at ups
A launching apron is to be designed at downstream of a weir for discharge intensity of 6.5 /s/m. For the design of launching aprons the scour depth is taken two times of Lacey scour depth. The silt fa
On which of the canal systems, R.G. Kennedy, executive engineer in the the Punjab Irrigation Department made his observations for proposing his theory on stable channels ?
Which one of the following equations represents the downstream profile of Ogee spillway with vertical upstream face? (x,y) are the co-ordinates of the point on the downstream profile with origin at th
The culturable commanded area for a distributary is . The intensity of irrigation for a crop is 40%. If kor water depth and kor period for the crop are 14 cm and 4 weeks, respectively, the peak demand
IS:1343-1980 limits the minimum characteristic strength of pre-stressed concrete for post tensioned work and pretension work as
In a random sampling procedure for cube strength of concrete, one sample consists of X number of specimens. These specimens are tested at 28 days and average strength of these X specimen is considered
A concrete beam of rectangular cross section of 200mmx400mm is prestressed with a force 400 kN at eccentricity 100 mm. The maximum compressive stress in the concrete is
The partial factor of safety for concrete as per IS:456-2000 is
The flexural strength of M30 concrete as per IS:456-2000 is
Assume straight line instead of parabola for stress-strain curve of concrete as follows and partial factor of safety as 1.0. A rectangular under-reinforced concrete section of 300mm width and 500mm ef
A rectangular column section of 250mmx400mm is reinforced with five steel bars of grade Fe-500, each of 20 mm diameter. Concrete mix is M30. Axial load on the column section with minimum eccentricity
The components of strain tensor at a point in the plane strain case can be obtained by measuring longitudinal strain in following directions
The symmetry of stress tensor at a point in the body under equilibrium is obtained from
If principal stresses in a two-dimensional case are -10 MPa and 20 MPa respectively, then maximum shear stress at the point is
A circular shaft shown in the figure is subjected to torsion T at two point A and B. The torsional rigidity of portions CA and BD is and that of portion AB is . The rotations of shaft at points A and
The bending moment diagram for a beam is given below : The shear force at sections 'aa' and 'bb' respectively are of the magnitude
An unstiffened web I-section is fabricated from a 10 mm thick plate by fillet welding as shown in the figure. If yield stress of steel is 250 MPa, the maximum shear load that section can take is
The permissible stress in axial tension in steel member on the net effective area of the section shall not exceed the following value ( is the yield stress)
A cantilever beam of length 1, width b and depth d is loaded with a concentrated vertical load at the tip. If yielding starts at a load P, the collapse load shall be
Which one of the following is NOT correct for steel sections as per IS:800-1984 ?
A fillet-welded joint of 6mm size is shown in the figure. The welded surfaces meet at 60-90 degree and permissible stress in the filled weld is 108 MPa. The safe load that can be transmitted by the jo
A truss is shown in the figure. Members are to equal cross section A and same modulus of elasticity E. A vertical force P is applied at point C. Deflection of the point C is
Match the following:
Considering beam as axially rigid, the degree of freedom of a plane frame shown below is
For a linear elastic frame, if stiffness matrix is doubled with respect to the existing stiffness matrix, the deflection of the resulting frame will be
All members of the frame shown below have the same flexural rigidity EI and length L. If a moment M is applied at joint B, the rotation of the joint is
The following observations were made of an axle-load survey on a road. The standard axle-load is 80 kN. Equivalent daily number of repetitions for the standard axle-load are
A transport company operates a scheduled daily truck service between city P and city Q. One way journey time between these two cities is 85 hours. A minimum layover time of 5 hours is to be provided a
A road is having a horizontal curve of 400 m radius on which a super-elevation of 0.07 is provided. The coefficient of lateral friction mobilized on the curve when a vehicle is travelling at 100 kmph
Pradhan Mantri Gram Sadak Yojna (PMGSY), launched in the year 2000, aims to provide rural connectivity with all-weather roads. It is proposed to connect the habitation in plain areas of population mor
For a 25 cm thick cement concrete pavement, analysis of stresses gives the following values : Wheel load stress due to corner loading : 30 kg/c Wheel load stress due to edge loading : 32 kg/c Warping
Group-I contains some properties of bitumen. Group-II gives a list of Laboratory Tests conducted on bitumen to determine the properties. Match the property with the corresponding test.
Bituminous concrete is a mix comprising of
The length of summit curve on a two lane two way highway depends upon
A single lane unidirectional highway has a design speed of 65 kmph. The perception-brake-reaction time of drivers is 2.5 seconds and the average length of vehicles is 5 m. The coefficient of longitudi