A floating body is in stable equilibrium
Given that Plasticity Index (PI) of local soil =and PI of sand = zero, for a desired PJ ofthe percentage of sand in the mix should be
Consider the following statements :
A concrete mixer is specified by the :
volume of the mixing drum.
horse power of the prime mover.
volume of mixed concrete discharged.
mixer drum speed.
feeding arrangement.
Of these statements :
A solid sphere will be in stable equilibrium if its centre of gravity lies
The formulation for BOD assimilation in a stream should include
In a 4 m wide rectangular channel with 0.8 m depth of flow, a sharp-crested weir of 2.5 m length with its sill 0.3 m above the channel bed is fixed symmetrically across the width of the channel. Taking the flow to be free but with end contractions, what would be the discharge neglecting approach velocity effect? (Take Cd = 0.625)
Sheep-foot rollers are recommended for compacting
If the difference of height between two points is 1 m and the slope distance between them ism, then accuracy of slope correction determination could be 1 inprovided the heights are measured with an accuracy of
A vehcile was stopped in two seconds by fully jamming the brakes. The skid marks measured 9.8 metre's. The average skid resistance coefficient will be
A shaft turns atrpm under a torque ofNm. Power transmitted is
In standard penetration test, the splitspoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are, respectively,
Why are intermediate vertical stiffeners provided in plate girders ?
In an external focussing tacheometer, the fixed interval between the stadia hairs is 5 mm; the focal length of the objective iscm ; and the distance of the vertical axis of the instrument from the optical centre of the objective iscm. The constants of the tacheometer are
For a vertical concentrated load acting on the surface of a semi-infinite elastic soil mass, the vertical normal stress at depth z is proportional to
Which one of the following statements is not correct ?
What is range of values of Poisson's ratio for ductile materials ?
The following are the sewage treatment processes :
Primary sedimentation
Screening
Grit removal
Secondary sedimentation.
When only preliminary treatment is to be given for sewage, select the required treatment proceses including their correct sequence from the codes given below:
A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal to (φ in the deflection angle between the initial and final tangents)
For three-dimensional movement of a weight, which one of the following is most suitable ?
For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is
The process by which a mass of saturated soil is caused by external forces to suddenly lose its shear strength and to behave as a fluid is called
The height of a hydraulic jump in a stilling pool was found to becm in a model with lp/lm =The prototype jump height would be
Two closely-coiled springs A and B of the same material, same wire and same number of turns are subjected to an axial load of W. The mean diameter of spring A is half that of spring B. The ratio of deflection of spring B to that of spring A will be
What is the permissible tensile stress is bolts used for column bases ?(Where fy is the yield stress of the steel)
Lime stabilisation method is particularly suitably and has been found successful in stabilising
Choose the correct statement about horizontal component of resultant hydrostatic pressure on a curved submerged surface :
During seepage through an earth mass, the direction of seepage is
A structural member carrying a pull ofkN is connected to a gusset plate using rivets. If the pulls required to shear the rivet, to crush the rivet and to tear the plate per pitch length are respectivelykN,kN andkN, then the number of rivets required will be
Which one of the following is a method of extending the length of record for a frequency curve at a station ?
Consider the following statements pertaining to intermediate stiffeners :
Stiffeners are provided to exclusively bear concentrated loads.
Stiffeners should bear tightly against top and bottom flanges.
Maximum spacing of stiffeners is restrictedt, where t is the thickness of web.
Which of the statements given above is are/correct ?
Consider the following factors :
Initial prestress
Losses in prestress
Depth of cable from extreme compression fibre.
Those which affect the ultimate moment capacity of a prestressed concrete beam would include
On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A.
The amount of creep in the rails
Presence of nitrogen in waste water sample is due to the decomposition of
In a project logic, four activities M, N, O and P are required to be completed before starting activity Q. If the finish times of M, N, O and P aredays,days,days anddays respectively, the earliest event occurrence time for the activity Q is
A mild steel flat of widthmm and thicknessmm is bent into an arc of a circle of radiusm by applying a pure moment 'M' If E is 2 x 105 N/mm2, then the magnitude of the pure moment 'M' will be
As the elevation increases, the runways length has to be changed at what rate ?
In standard penetration test, the splitspoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are, respectively,
Why are intermediate vertical stiffeners provided in plate girders ?
Acm diameter friction pile is embeddedm into a homogeneous consolidated deposit. Unit adhesion developed between clay and pile shaft is 4 t/m2 and adhesion factor is 0.The safe load for factor of safety 2.5 will be
On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A.
The amount of creep in the rails
In steady laminar flow of a liquid through a circular pipe of internal diameter D, carrying a constant discharge, the hydraulic gradient is inversely proportional to
Presence of nitrogen in waste water sample is due to the decomposition of
The coordinates of two end-points A and B traverse line AB are XA = 1000.m, YA = 1000.m XB = 2000.m, YB = 1000.m The bearing of the line AB will be
King closers are related to
The optimistic, most likely and pessimistic time estimates of an activity areanddays respectively. What are the expected time and standard deviation ?
Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will
The description of solid waste collected is as follows :
Night soil -t
Rubbish -t
Debris -t
Garbage -t
The organic solids in the above composition is
Consider the following statements :
The effect of sea water on hardened concrete is to
increase its strength
reduce its strength
retard setting
decrease its durability.
Of these statements :
The elements that are normally subjected to combined bending and axial forces are
Consider the following statements regarding a simply supported beam subjected to a uniformly distributed load over the entire span :
The bending moment is maximum at the central position.
The shear force is zero at the central position.
The slope is maximum at the middle position.
Of these statements :