The type of bond in a brick masonry containing alternate course of stretchers and headers is called
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The type of bond in a brick masonry containing alternate course of stretchers and headers is called
The unit of momentof inertia of an area is
A steel rod of 30 mm diameter and 3 m length is subjected to an axial pull of 50 KN. If $$E = 200 \times 10^9$$ pa, the elongation of the rod will be
The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load always
Every material obeys Hooke’s law within its
An ideal flow of a liquid obeys
A pipe contain an oil of specific gravity 0.9 . A differential manometer connected at two points A and B shows a difference in mercury levels as 15 cm . The difference of pressure at two points A and B will be (Note: consider the density of mercury as 13600 $$\frac{kg}{m^{3}}$$)
Hydrograph is a representation of:
The quantity of water retained by the subsoil against gravity is known as
A soil has a bluk density of 2.3 $$\frac{g}{cm^{3}}$$ and water content 15% ,the dry density of soil sample is
The seepage exit gradient in a soil is the ratio of :
A phreatic line is defined as the line with in a dam below which there are:
A saturated soil sample has water content of 40% and specific gravity of soil particle is 2.7.The void ratio of the soil is
Separation of coarse aggregates from mortar during transportation, is known as
The high strength of rapid hardening cement at early stage is due to its:
If d and n are the effective depth and depth of neutral axis respectively of a singly reinforced beam , the lever arm of the beam is :
Minimum spacing between horizantal parallel reinforcemnent bars of different diameters inter alias should not be less then :
The charecteristic load means the value of load :
Up mixing water to concentrate ingredients ,hydration takes place .The correct sequence of stages of hydration process are :
A colum splice is used to increase :
The distance travelled by a moving vehicle during perception and break reaction time is known as
Maximum super elevation on hill roads not bound by snow should not exceed:
The time at which an activity completion time can be delayed with out effecting early start of the succeeding activities is known as
One Newton's force produces an acceleration of
Effective buckling length of a steel angle connected by double revets is
Web crippling in a steel structure is on account of:
The self weight of a steel roof truss is $$\frac{N}{m^{2}}$$ may be computed by :(span =l)
A 40 cm diameter timber coulmn is 4m long .The slenderness ratio of the column of
For a givem aggregate ratio , increasing water sement ratio :
General ratio of cement :sand:aggregate in nominal mix M20 grade concrete is :
which of the following is not considered in the design of the isolated footings?
In a limited state method of design approach ,spacing of main reinforcement primarily controls :
The angle of dip at pole is
If the reduced bearing of line AB is N 30 W and the length is 100m, then the latitude and the departure respectively of the line AB will be :
A Circular curve has 300m radius and 60 degree deflection angle . The length of the curve and the tangent length respectively are
The ranging operation in survey is a process of
Zenith is the point on the celestial sphere:
The fineness modulus of fine aggregate is 2.78 and of coarse aggregate is 7.82 and the desired fineness modulus of mixed aggregate is 6.14 . what is the amount of fine aggregate to be mixed with one part of coarse aggregate ?
In what context is the slump test performed?
What is the ratio of flexual strength $$(f_{cr})$$ to the charecteristic compressive strength of concrete $$(f_{ck})$$ of M25 grade concrete?
Which of the following tests compares the dynamic modulus of elasticity of samples of concrete?
The bulk modulus of the elasticity of the material is twice its moduus of rigidity . The Poisson's ratio of the material is
Two planks each of $$50mm \times 50 mm $$ section are glued together along the length to form a section 50mm \times 100 mm and used as a beam .If the shear force at a section is 1000 N ,What is the maximum shear stress on the glue ?
At certain point in a structural member , there are perpendicular stresses 80 $$\frac{N}{mm^{2}}$$ and 20 $$\frac{N}{mm^{2}}$$,both tensile .what is the equivalent stress in simple tension ,according to the maximum principal strain theory ?(poisson's ratio=0.25)
Two simply supported beams are made up of the same material and are of the same cross section .Both beams carry uniformly distributed loads of equal intensities .one of the beam is 2 m long and the other is 4 m long . The 2 m long beam shows a central deflection of 1mm.what is the central deflection of the 4m long beam?
when the ratio of the long to short dimensions of the slab is greater than X,the slab shall be designed as one-way slab , where X is
A reinforced concrete cantilever porch has thickness t . The main reinforcement steel will be placed :
A purely cohensive soil was tested by unconfined compression test .The mean unconfined compression strength was obtained as 50 $$\frac{kN}{sq.m}$$. The net ultimate bearing capacity of the soil adopting terzaghils concept will be (adopt bearing capacity factor =5.7,1 kg approximately equal to 10 N)
Web buckling occurs ina beam due to excessive
In an Isolated reinforced concrete footing of effective depth d , the stress in punching shear is checked
An ISJC 200 Channel section has the folllowing details width of flange 70 mm depth of channel 200 mm, thickness of flange $$t_{f}$$ =7.1mm,moment of inertia $$I_{xx} =1161.2cm^{4}$$ The distance of shear centre from the centre of the web will be
Relative humidity is :
As per the Indian Standard specification for drinking water (IS 10500 : 2012) What is the maximum possible acceptable limit of Flouride (as F ), in $$\frac{mg}{l}$$:
A trapezoidal channel with the base of 6m and the side slope of two horizantal to one vertical conveys water at 17 $$\frac{m^{3}}{sec}$$ with a depth of 1.5 m. The flow situation in the channel is
Consider the following statement associated with the critcal path :
1.critical path is the most important sequence of activities which has no float and which determine the project completion period
2.critical path is the largest path with shortest duration with in which the project can be completed
3.The difference between early start time and late finish time must be equal to the activity duration
4.can not pass through dummy activity
which is among the above are correct statements
Peak Gust wind speed as per IS 875 (Part 3)-2015 ,for design loads is defined as :
As per IS(part 3):2015, while considering the wind load acting in direction normal to the individual structural element or cladding unit , the following is not considered :
As per Indian Standards linear dynamic analysis shall be performed to obtain the design lateral force for all bulidings other than:
A tube of aluminium of 40 mm external diameter and 20 mm internal diameter is snugly fitted on a solid steel rod of 20 mm diameter .The composite bar is subjected to an axial compressive force P.If the stress on steel bar is 70 $$\frac{N}{mm^{2}}$$, the stress in the aluminium tube and the corresponding the value of P will be :$$(E for steel : 2 \times 10^{5} \frac{N}{mm^{2}} and E for aluminium 7 \times 10^{4} \frac{N}{mm^{2}} )$$
A timber beam of rectangular section of length 8 m is simply supported .The beam carries a uniformly distributed load of 12 $$\frac{kN}{m}$$, over the entire length and a point load of 10KN at 3m from the left support .If the depth is two times the width and the stress in the timber is not to exceed 10 $$\frac{N}{mm^{2}}$$, what is the suitable depth of the section?
While aligning a hill road with a ruling gradient of 6%, a horizantal curve of radius 75 cm is encountered ,necessitating grade compensation.The compensated gradient at the curve will be
If the sewage from a city is $$95 \times 10^{6}$$l/day and the average five day BOD is 300 mg/l ,the population equivalent of the city is :(assume 5 day BOD percapita at $$20^\circ C$$ = 0.075 kg/day
A pipe 1500 m long and 200 mm in diameter is laid at a slope of 1 in 200 for the first half length and a slope of 1 in 100 for the second half length . The pressure at the upper and lower ends are respectively 1 $$\frac{kg}{cm^{2}}$$ (98.1 $$\frac{kN}{m^{2}}$$) and 0.5 $$\frac{kg}{cm^{2}}$$ (49.05 \frac{kN}{m^{2}}). If the coefficient of friction f=0.04, the discharge in $$\frac{cum}{sec}$$ will be
In an unconfined compression test , a sample clay 100 mm long and 50 mm in diameter fails under a load of 150 N at 10% strain . what is the shearing resistance taking in to account the effect of change in cross section of the sample ?
The density of a fully saturated specimen of clay having a water content of 40% is 1.88 $$\frac{gm}{cc}$$. on oven drying , the density drops to 1.74 $$\frac{gm}{cc}$$.The shrinkage limit of the specimen will be $$(adopt \rho_{w}=1.0 \frac{gm}{cc})$$
A camera equipped with a 152 mm focal length lens is used to take a vertical photograph from a flying height of 2780 m above mean sea level .If the terrain is flat and located at an elevation of 500 m, the scale of photograph will be,
Rainfall intensities in $$\frac{mm}{hr}$$ at half an hour interval during a 4-hour storm were :
5,9,20,13,6,8,16 and 3 $$\frac{mm}{hr}$$.If the corressponding observed runoff is 27.45 millions $$m^{3}$$ from a basin having an area of 1830 $$km^{2}$$? The $$\phi$$ index of the storm is
An activated sludge tank is 30 m and 9 m wide and has liquid depth of 4 m.The influent sewage flow rate is 3.5 MLD .The primary effluent has BOD of 130 $$\frac{mg}{l}$$ and suspended load of 15 $$\frac{mg}{l}$$. The MLSS concentration in the aeration tank is 1800 $$\frac{mg}{l}$$. The corressponding $$\frac{F}{M}$$ ratio is
As per BIS 456 -2000 deformed bars may be used with out end anchorage provided
A propped cantilever beam of length L is subjected to a moment M at the propped end .The support momment at the fixed end will be
Consider a $$3 \times 3$$ symmetric matrix A such that two of its Eigen values are a $$\neq$$ 0 and b $$\neq$$ 0with respective Eigen vectors $$\begin{bmatrix}x_{1} \\x_{2}\\ x_{3} \end{bmatrix} $$ , $$\begin{bmatrix}y_{1} \\y_{2}\\ y_{3} \end{bmatrix} $$. If a $$\neq$$ b, then $$x_{1} y_{1}+ x_{2} y_{2}+ x_{3} y_{3 }$$ equals
The area enclosed between the parabola $$y=x^{2}$$ and the straight line y=x is
a
The right circular cone of largest voume that can be enclosed by a sphere of 1 m radius has a height of
Consider the function f(x) =$$2x^{3}-3x^{2}$$ in the domain [-1,2]. The global minimum of f(x) is
The solution of $$x\frac{dy}{dx} + y = x^{4}$$ with the condition $$y(1) = \frac{6}{5}$$ is:
The inverse Laplace transform of the function $$F(s) = \frac{1}{S(S+1)}$$ is
Laplace transform of $$e^{-2t} \cos (4t)$$
A box contains 2 washers,3 nuts and 4bolts . Items are drawn from the box at random ,one at a time with out replacement .The probabilty of drawing 2 washers first followed by 3 nuts and subsequently the 4 bolts is
Consider an unbiased cubic dice with opposite faces coloured identically and each face coloured red, blue and green such that each color appears only two times on the dice .If the dice thrown thrice, the probabilty of obtaining red colour on the top face of dice at least twice is
The argument of the complex number $$\frac{1+i}{1-i}$$, where $$i = \sqrt{-1}$$, is
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