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Granite is not suitable for ordinary building purpose because
The process of mixing clay, water and other ingredients to make bricks, is known as
Tricalcium aluminate is the first compound to set in the cement.
It is responsible for maximum heat of hydration due to which it sets early and offers flash set property in a cement.
Due to high heat of hydration and faster chemical reaction it is responsible for hydration after addition of water.
It majorly contributes in strength within 24 hours of addition of water.
High alumina cement is produced by fusing together a mixture of
Which of the following Bouge's compounds of cement liberates maximum heat of hydration?
As per IS : 4562000, the organic content of water used for making concrete should NOT bemore than
If d is the constant distance between the sections, then the correct prismoidal formula for volume is
The cross – section of a strip footing is shown below:
The quantity of 150 thick PCC (1 : 3 : 6) per metre length of footing is
The limit of proportionality is applicable more in the case of
Match ListI with ListII and select the correct answer using the codes given below the lists
(adopting standard notations):
Match ListI with ListII and select the correct answer using the codes given below the lists
If in a concrete mix the fineness modulus of coarse aggregate is 7.6, the fineness modulus offine aggregate is 2.8 and the economical value of the fineness modulus of combined aggregateis 6.4, then the proportion of fine aggregate is
The proportion of fine aggregate to mixed aggregate is given by
So the proportion of coarse aggregate is 75%
So the proportion of fine aggregate to coarse aggregate is 25:75 i.e. 1/3=33.33 %
In straight line method, the annual depreciation of the property is
In any good staircase, the maximum and minimum pitch respectively should be
Which of the following scales is the smallest one?
When the curvature of earth is taken into account, the surveying is called
Detailed plotting in plane table surveying is generally done by
Which one of the following methods estimates best the area of an irregular and curved boundary?
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167º, the magnetic declination at that place is
The angle between the prolongation of the preceding line and the forward line of a traverseis called
If the end points of a line are free form local attraction, the difference between fore bearing and back bearing of that line should be
For a tacheometer, the additive and multiplying constants are respectively
The fore bearing of a line CD is 324º 45'. The back bearing of the line is
The construction of optical square is based, on the principle of optical
If the plasticity index of a soil mass is zero, the soil is
A finite slope of cohesionless soil is safe so long as
The unit of the coefficient of consolidation is
A flow through an expanding tube at a constant rate is called
If C_{v}, C_{c}, D_{d} and C_{r} are the hydraulic coefficients of an orifice, then
The pressure inside a soap bubble of 500 mm diameter is 25 N/m^{2} above the atmospheric pressure. The surface tension in soap film would be
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
In the Bernoulli's equation written a constant, each of the term represents energy per unit
The term 'alternate depths' in open channel flow refers to the
The length of a pipe is 1000 m and its diameter is 20 cm. If the diameter of an equivalent pipe is 40cm. then its length is
An air vessel is provided at the summit in a syphon to
The interruption such as cavitation in the flow is caused by the pressure difference, so air vessels are particularly used for that cause.
Which one of the following is not a nondimensional parameter ?
The best alignment for a canal is when it is aligned along
When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is
The correct graphical representation of BOD (Y) and time (t) is given by
The most suitable solid waste disposal method for rural areas is
The population of a town as per census records were 2,00, 000; 2,10,000 and 2, 30, 000 forthe year 1981, 1991 and 2001 respectively. Find the population of the town in the year 2011 using arithmetic mean method. The answer is
The ability of a material to absorb energy till the elastic limit is known as
Out of the following, which is least elastic ?
Shear stress at y distance above neutral axis (NA) on a prismatic beam due to shear force V
is given by
For a given shear force across a symmetrical 'I' section the intensity of shear stres is maximum at the
The force in the member BD of the truss shown in the figure given above is
For a given stress, the ratio of moment of resistance of a beam of square crosssectionwhen placed with its two sides horizontal to the moment of resistance with its diagonal horizontal is given by
A bar, L metre long and having its area of crosssection A, is subjected to gradually applied tensile load W. The strain energy stored in the bar is given by
The predominant effect of an axial tensile force on a helical spring is
Slope at the supports of a simply supported beam of effective span L with a central point loadW is given by
If a circular shaft is subjected to a torque T and bending moment M, the ratio of maximumbending stress and maximum shear stress is givenby
Two beams, one of circular cross section and the other of square cross section, have equal areas of cross section. If subjected to bending, then
A simply supported I beam with its web horizontal is shown in the given figure. It is subjected to a vertical load
The shape of the shear stress distribution in the crosssection of the beam under the load would be
A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is
A beam has a triangular crosssection having base 40 mm and altitude 60 mm. If this sectionis subjected to a shear force of 36000 N, the maximum shear stress in the crosssection wouldbe
The shear force at the point of contraflexure in the following beam is :
Strain energy per unit volume of a solid circular shaft φ under axial tension is
For a cantilever beam of length L carrying a triangular load of intensity 'W' at the support and
zero at the free end, the slope of the free end is given by
The allowable stress in a long column can be increased by increasing the
For a pin jointed plane structure to be statically determinate, the necessary condition is, where,m = number of unknown member forcer = number of unknown reactionj = number of joints
For a beam carrying a uniformly distributed load, the strain energy will be maximum in case thebeam is
The beam shown below is indeterminate of degree
State of stress at a point in a strained body is shown in figure A. which one of the figure given
below represents correctly the mohr's circle for the state of stress?
28 day crushing strength of cement is tested on 70.7 mm size cubes of mortar having cement to sand proportion of
For portland cement of 43 grade, 28 day mean compressive strength should exceed
Minimum grade of plain concrete of moderate environmental exposure condition should be
The characteristic strength of concrete is defined as that compressive strength below which NOT more than
Workability of concrete is directly proportional to
The bottom diameter, top diameter and the height of the steel mould used for slump test arerespectively
Los Angeles test for aggregates is made to determine the
The saturated and dry densities of a soil are respectively 2000 kg/m3 and 1500 kg/m3. The water content (in percentage) of the soil in the saturated state would be
In a direct shear test, the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/ cm^{2} and 1 kg/cm^{2} respectively. The angle of internal friction of the sand will be nearly
The modulus of elasticity of concrete in N/mm_{2 }can be assumed as follows whre f_{ck} is the characteristic cube compressive strength of concrete in N/mm_{2}
The horizontal distance between parallel main reinforcements in RC slab shall not be more than
In limit state method of design, for HYSD bars the values of bond stress shall be
Critical section for calculating bending moment for a spread concrete footing of effective depthd is given by the plane at
If L is the effective length of a column and B is the least lateral dimension, then the column willbe treated as short column if the ratio of L/B is equal to or less than
The factored loads at the limit state of collapse for DL + LL,DL + WL and DL + LL + WLcombinations, according to IS: 456 – 2000 are respectively
A compression member is termed as column or strut if the ratio of its effective length to the least lateral dimension is more than
Minimum percentage of tension steel in an RCC beam for Fe 500 steel is
In reinforced and plain concrete footing resting on soils, the thickness at edge shall not be lessthan
Bending moment coefficients and shear co – efficients for continuous beams of uniform crosssection as per IS 456 (tab 12 and 13) may be used only when spans do not differ to the longest span by
The slenderness ratio of a lacing bar shouldbe less than
The member of roof truss which supports the purlins is called as
The effective length of a steel column, effectively held in position and restrained against rotation at both ends is
Which one of the following factors does not affect the lateral buckling strength of a steel I section undergoing bending about its major axis?
2 videos122 docs55 tests

2 videos122 docs55 tests
