The correct relationship between theoretical oxygen demand (TOD) , biochemical oxygen demand(BOD) , chemical oxygen demand(COD) is given by: for Gas the viscosity with respect to temperature is given by? Density of Sleeper is depend upon which factors? The Nationalisation of Railway started on? The Railway board was established with one president and two members on? Find the young Modulus of a brass rod of diameter 25 mm and of length 250mm which is subjected to a tensile load of 50kN when the extension of the rod is equal to 0.3 mm.? A rod of 150cm long and of diameter 2.0 cm is subjected to an axial pullof 20kN. If the modulus of elasticity of the material of the rod is 2 x 10^5 N/sq(mm), determine strain? what is the M.K.S unit of stress? what is stress? The average height of troposphere from surface is ______ km? A first class brick should not absorb water more than? The attrition test on stones is performed? The specific gravity of stone should not, in any case be less than? A good building stone is one which does not absorb more than? The sedimentary rocks are formed due to? The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by? The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as? One kg force is equal to? The unit of force in S.I. system of units of? In order to determine the effects of a force, acting on a body, we must know? A force while acting on a body may? The camber for hill roads in case of bituminous surfacing is adopted as? The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is? The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is? On a right angled road intersection with two way traffic, the total number of conflict points is? For the design of super elevation for mixed traffic conditions, the speed is reduced by? The super structure of a road is called? The Border Roads Development Board was established in? The Indian Roads and Transport Development Association (I.R.T.D.A.) was set up in? The headquarter of the Indian Roads Congress is at? The converence of chief engineers of all provinces was held at Nagpur in? The Central Road Research Institute (C.R.R.I.) was started in Delhi, in? The Motor Vehicle Act was enacted in? The Indian Roads Congress (I.R.c.) was set up in? The Central Road Organisation (C.R.O.) was set up in? Kautilya got constructed a National Highway connecting North West Fronter Province and Patna in about.? The grand trunk (G.T.) road was constructed during? The longest road constructed during the time of Shershah Suri was from? The central portion of a road for high speed vehicles is known as? The term used for major or important roads of a country is? For a prestressed concrete bridge beam, a minimum clear spacing of the cable of group of cables should be The cable for a prestressed concrete simply supported beam subject to a uniformly distributed load over the entire span should ideally be At the time of initial tensioning, the maximum tensile stress in tendon immediately behind the anchorage shall not exceed In the design of two way slab restrained at all esges, torsional reinforcement required is A reinforced concrete slab is 75mm thick. The maximum size of reinforcement bar that can be used is The final deflection due to all load including the effect of temperature, creep and shrinkage measured from as cast level of supports of floors,roofs and all other horizontal members should not exceed The reduction coefficient of a reinforced concrete column with an effective length of 4.8m and size 250 mm x 300 mm is A 200mm thick brick masonry wall made of modular bricks carries an axial load of 30KN/m from wall above and an eccentric load of 20KN/m from RCC floor acting at a distance of 47.5mm from centre line of the wall. The resultant eccentricity ratio is A 200mm thick wall made of modular bricks is 5m long between cross walls and 3.8m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is In a tilted aerial photograph, if the swing is 230°, then the rotation angle is equal to What is the use of a station pointer ? Distemper is used to coat A rainfall may be classified as acidic if its pH value is less or equal to An inverted siphon is designed generally for Self-cleansing velocity is In a fully mechanised composting plant, involves The rate of accumulation of sludge in septic tanks is recommended as Aerobic bacterias The minimum recommended diameter of sewers, is In plastic analysis, the shape factor for rectangular section, is Stress may be defined as The point of contraflexure is the point where Shear strain energy theory for the failure of a material at elastic limit, is due to A foundation rests on The number of treads in a flight is equal to The minimum cube strength of concrete used for a prestressed member, is Thickened part of a flat slab over its supporting column, is technically known as Dimensions of a beam need be changed if the shear stress is more than The diameter of longitudinal bars of a column should never be less than Cantilever retaining walls can safely be used for a height not more than The minimum number of main steel bars provided in R.C.C. The maximum area of tension reinforcement in beams shall not exceed In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are: At western elongation, the pole star moves The latitude (λ) of a place and the altitude (α) of the pole are related by Perspective centre relates to International date line is located along The stereo plotting instruments are generally manufactured on the principle of The point on the celestial sphere vertically below the observer's position, is called The form work from the underside of slabs, can be removed only after The Auger borings are not common Which one of the following rocks is used for monumental buildings : A wooden block hinged on post outside a door, is known A solid core of rock is formed in side the cylinder in the case of A projecting piece usually provided to support a truss, is The angular steps used for changing direction of the stairs, are called The maximum permissible deflection of a timber beam supporting a roof, is The entrained concrete is used in lining walls and roofs for making The portion of a brick cut across the width, is called Black cotton soil is unsuitable for foundations because its The process of making the back ground rough, before plastering, is The taper of precast concrete pile should not be more than The 9 cm x 9 cm side of a brick as seen in the wall face, is generally known as The foundations are placed below ground level, to increase The foundation in which a cantilever beam is provided to join two footings, is known as Dado is usually provided in Queen closer may be placed