Which of the following cement is manufactured by grinding vinsol resin or vegetable fats & oils and fatty acids with ordinary cement
Question 2
A construction equipment has an initial cost of Rs. 2,00,000 and salvage value of Rs. 50,000 at the end of an economic lift of 5 years. The rate of straight-line depreciation and total depreciation will be
Question 3
As per IS 800 : 2007, to check the failure due to web crippling in case of built up beams, the dispersion of stress though flange is assumed to be at what slope to the plane of flange:
Question 4
A test specimen with cross-sectional area A and applied load P in x direction is shown. What will be the correct expression for the strain in the transverse (y) direction if the axial load is applied.
Question 5
Wastewater flow entering into the secondary sedimentation tank (SST) of a conventional activated stodge process is 16500 m3/day. Concentration of solids in the flow from the aeration tank and the thickened sludge is 4000 mg/l and 14000 mg/l, respectively. If the surface area of the SST is 500 m2, then the solid flex of the SST (in kg/m2/day) is :
Question 6
It was observed that the flow in a particular stream of depth 1 m takes the form of , where y is depth from bottom. What will be the momentum correction factor for this flow?
Question 7
A 10m high retaining wall retains dry sand. Initially the soil has = 16 kN/m3 and = 30°. Subsequently, the soil is compacted and now its= 17 kN/m3 andϕ= 35°. According to Rankine’s earth pressure theory, the ratio of initial passive thrust to final passive thrust is
Question 8
In Muskinghum method of channel routing, if the coefficients k = 10 h and x = 0.20 and the time step for routing is 5h, then the coefficient C2 is :
(Routing equation is: Q2 = C0I2 + C1I1 + C2Q1)
Question 9
A steel section as shown in figure is subjected to a shear force of 20 kN. What will be shear stress at the centre of section?
Question 10
A traffic stream on a particular highway is moving at a speed of 72 kmph. If the time interval between consecutive vehicles is 4 sec, then what is the space headway (in m):
Question 11
The following bearings are observed while traversing with a compass.
Calculate the corrected fore bearing of the line AB
Question 12
Which one of the following monomer is used in Polymer Impregnated concrete
Question 13
Choose the correct option/options regarding has chart
I. Bar chart is a pictorial chart formed by henry Gantt.
II. Bar chart can be used a control device.
III. Bar chart is an important tool for resource smoothening and resource levelling.
IV. Bar chart are used in which time estimates can be made with fair degree of certainly.
Question 14
Which of the following statements is/are correct.
1) Cross section which can develop plastic moment of resistance but have inadequate plastic hinge rotation capacity for formation of plastic mechanism due to local buckling is called compact section.
2) Stress distribution for semi-compact section is triangular.
3) Cross section which can develop plastic hinges and have the rotation capacity required. For failure of structure by formation of plastic mechanism is called semi-compact section.
4) Stress distribution for a compact section is rectangular.
Question 15
A single degree of freedom system of mass 22 kg and stiffness 17 kN/m vibrates freely. If damping in the system is 2%, the cyclic frequency and the damped circular frequency, respectively, are nearly
Question 16
Following results were obtained from the laboratory testing of a waste water sample
Organic Nitrogen = 6 mg/l
Free ammonia = 8 mg/l
Nitrite = 1.0 mg/l
Nitrate = 4.0 mg/l
If the flow of wastewater is 0.4 m3/s, mass of 'kjeldahl nitrogen' in a day :
Question 17
A tube system open to the atmosphere to be rotated about the inner tube is shown in the figure. What will be the maximum rotational speed at which it can be rotated without spilling?
Question 18
For a sheet pile driven in a soil having effective grain size = 0.10 mm, the difference of the upstream and downstream water level is 3.8 m. If the flow net drawn for the problem yields shape factor = 0.55, what is the discharge (in m3/s) per meter length of the sheet pile:-
Question 19
Ordinate of IUH are as shown below
What is the ordinate of 1-h UH at t = 2h
Question 20
A hollow alloy tube 4 m long with external and internal diameters of 40 mm and 25 mm respectively was found to extend 4.8 mm under a tensile load of 60 kN. What will be the Euler’s buckling load for the tube with both ends pinned?
Question 21
Two curves for the Marshall method of mix design are given with x-axis as optimum binder content (%) and y-axis as parameter P, Q.
Question 22
A curve of radius 530 m is to be set out on ground for a deflection angle of 55°, if due to some obstruction, the deflection angle need to be increased by 60% then the length of the curve required to be increased by
Question 23
Which of the following is NOT the correct property of ‘Fat lime’:
Question 24
Choose correct option is incorrect regarding dummy activity
Question 25
What would be the collapse load ‘P’ for the cantilever beam as shown in figure below:
Question 26
What will be the value of force at points B and C, if the force of 400N is acting upward at point A.
Question 27
Chlorine usage in the treatment of 25,000m3/day of water has been 9 kg/day. The residual chlorine after 10 minutes contact is 0.2 mg/l. The chlorine demand of water would be nearly.
Question 28
Two identical pipes are first connected in series and then connected in parallel. If the total discharge in both the cases was found to be identical, find the ratio of head loss in series vs head loss in parallel set up.
Question 29
Ultimate bearing capacity of a strip footing on a soil due to effect of water table can be written as :
Correct value of and respectively when water table is at a depth of 0.5 Df ground level, where Df is the depth of footing and and are water table correction factors:
Question 30
Given below is the 4-h unit hydrograph ordinates for a catchment
What will be the approximate peak ordinate (in m3/s) of 6-h unit hydrograph?
Question 31
Calculate the maximum stress acting on x-section
P1 = 45 Kn, P2 = 445 Kn& P4 = 130 kN
Question 32
If weight of aggregate is 79 kg and specific gravity of aggregate is 2.67. Assuming angularity number 7.5 , weight of water filling the cylinder is______________gram?
Question 33
If the standard time for a particular place is 5 hours 30 minutes is corresponding to the standard meridian of 75o 15’ E . The local meantime for the place located at the longitude of 90o 30’ E is _____