If L is the actual length of a column and k its minimum radius of gyration, the Euler's formula is applicable to determine critical load for a column having both ends hinged, only if
The diameter of a rivet hole is called
A dam is built across a river in order to
Transition curve is provided in horizontal alignment
The distance travelled by a moving vehicle during perception time and brake reaction time is called
If "V" is the design speed in kmph, R, the radius of the curve in meters, the super elevation is given by
The process of grinding clay with water and making it plastic is known as
The permissible and excessive limits of fluoride in drinking water in India have been set up at
If the expected turbidity of water is more than 5000 ppm, the turbidimeter used for analysis is
The most significant gaseous air pollutant is
The following chemical is used for coagulation
Hardness of water is caused by the presence of the following in water
Traps are used in the house hold drainage system to
The bearing of lines OA and OB are 160°10'and 332° 18' respectively. The value of the included angle BOA is
The imaginary line passing through the in tersection of the cross hairs and the optical centre the objective is known as
The combined correction for curvature, and refraction for a distance of 1400 m is
In a closed traverse, the sum of the South latitudes exceeds the sum of the North altitudes and the sum of the East departures exceeds the sum of the West departures. Then the closing line will lie in the
Reciprocal ranging is resorted to when the ends of the chain line are not invisible due to
Gunter's chain is having a length of
For a floating body, if the meta centre is above the centre of gravity, the equilibrium called :
When the Mach number is more than 6 the flow of fluid is called
Loss of head due to velocity of water at the outlet of a pipe is
If the weight of a body immersed in a fluid exceeds the buoyant force then the body will
A model of a reservoir is emptied in 10 minutes, If the model scale is 1:25 the time taken by the prototype to empty itself would be
. In a free vortex motion, tangential component of the water particle is proportional to
The thickness design of airport pavement is decided on the load carried by
Heel of crossing is the line Joining
Gauge of a permanent way is
The absolute minimum radius of a horizontal curve for a design speed 60 kmph is
For an effective administration. Indian railway system has been, divided into
Growth of population can be conveniently represented by a:
The storage capacity of a reservoir may be divided into three zones. The lowest zone is
The ratio of hydraulic radius of a pipe running full to the hydraulic radius of a square section of a channel whose side is equal to the diameter of the pipe is
Symon's rain gauge is a
The radius of influence is
An intense rain is falling uniform of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5cm/hour, the maximum run off rate based on 10 minute peak percentage of 16% from distributing graph of the basin is
The chloride content of treated water for public supplies should not exceed:
Distemper is:
The critical activity has
The height of pilot's eye above the runway surface is assumed
The best direction of runway is along the direction of
For night landing, the thresholds are lighted
Beaufort scale is used to determine
An artificial activity which indicates that an activity following it cannot be started unless the preceding activity is complete is known as
The technique for establishing and maintaining priorities among the various jobs of a project is known as
Separation of coarse aggregate from mortar during transportation is known as
A plane inclined at an angle o to the horizontal at which the soil is expected to stay in the absence of any lateral support is known as: A. C.
The permissible pH for public water supplies may range between
For controlling algae, the most commonly used chemical is
A moist soil sample of volume 60 cc weight 108 gm, and its dried weight is 86.4 gm. If its absolute density is 2.52 the degree of saturation is