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💢 DAILY QUIZZES FOR KWA WILL BE RESTARTING SOON, in the mean while all 60 mock tests will be available to be attended anytime. 💢 Tomorrow onward topic vice previous year repeated questions will be uploaded in quiz format without ranklist  💢 Subject vice hand written notes, question banks, and other study materials will be added on the notes section  💢 100+ previous year kerala psc questions, topicwise notes, quizzes, short notes etc has already added you can check them out also. more and more contents will be added soon for freeeeeeee

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💥 As per ICAO, minimum width of safety area for instrumental runway is 300m.  💥 The engine failure case for determining the basic runway length may require either clear way or runway.  💥 The minimum width of clear way is 150m.  💥 Air port reference temp=Td+ (Tavg-Td)/3.  💥 The basic runway length should be increased at the rate of 7 percent per 300m rise in elevation above the mean sea level. [54]  💥 Zero fuel weight of an aircraft is equal to the sum of empty operating weight and maximum pay load.  💥 As per ICAO for aircraft serving big aircraft, the cross wind component should not exceed 35kmph.  💥 Calm period the wind intensity should be less than 6.4kmph.  💥 For landing case the aircraft should stop at 60% of landing distance.  💥 According to ICAO all markings on the runway are white colour.  💥 In instrumental landing system, the middle markers are located about 1 km ahead of the runway threshold.  💥 The centre to c...

💥 PERT technique of network is mainly useful for research and development projects.  💥 Expected project duration generally follows normal distribution curve.  💥 Site being located does not represent the activity.  💥 Critical path is always longest.  💥 Cost slope=(Cc-Cn/Tn-Tc).  💥 The direct cost of a project with respect to the normal time is minimum.  💥 The reduction in project time normally results in increasing the direct cost of the project and decreasing the indirect cost.  💥 Economic saving of time results by crashing the cheapest critical activity.  💥 The process of changes and rescheduling or re planning called updating.  💥 Slack time refers to an event.  💥 Slack time in PERT analysis is minimum for critical events.  💥 Interfering float results in total float and free float.  💥 Activity is resource consuming, event is instantaneous stage.  💥 Dummy is a resource less element.  💥 Sheep foot rolle...

💥 Pascal second is the unit of dynamic viscosity.  💥 An ideal fluid is frictionless and incompressible.  💥 Cm^2/sec is the unit of kinematic viscosity.  💥 NS/m^2 is the unit of dynamic viscosity.  💥 Kinematic viscosity=(dynamic viscosity/mass density).  💥 Surface tension of water increases with decrease in temperature.  💥 Centre of buoyancy is always coincide with the centroid of the volume of fluid displaced.  💥 A floating body is said to be in a state of stable equilibrium when the meta centric height is above the centre of gravity.  💥 Stream lines and path lines always coincide in case of steady flow.  💥 Equation of continuity is based on principle of conservation of mass.  💥 The pitot tube is used to measure stagnation pressure.  💥 Venturi meter is used to measure the discharge.  💥 The major loss of energy in long pipes is due to friction.  💥 The losses are more in turbulent flow.  💥 Trapezoidal sh...

💥 Bleeding-separation of water or water cement mixture from the concrete.  💥 Segregation-separation of aggregates from the concrete.  💥 Workability of the concrete directly proportional to the grading of the aggregate.  💥 Workability of the concrete inversely proportional to the time of transit.  💥 Approximate value of shrinkage strain is 0.0003.  💥 Air entrainment in the concrete increases workability.  💥 Strength of the concrete increases with increase in fineness of cement.  💥 Characteristic strength of concrete is given by 0.7 (fck)^(1/2).  💥 The compressive strength of 100mm cube is more compare to the 150mm cube.  💥 Modulus elasticity of concrete is 5700(fck)^(1/2).  💥 Increase in moisture content in concrete reduces the strength in concrete.  💥 The purpose of accelerator is to cause early setting and hardening.  💥 Gypsum is most commonly used admixture.  💥 The percentage of voids in cement approximatel...

💥 Gypsum is a mechanically formed sedimentary rock.  💥 Quartzite is a silicious rock.  💥 Slate is formed by metamorphic action on shale.  💥 Heavy stone is suitable for retaining wall.  💥 Hard stone is suitable for rubble masonry.  💥 Soft stones is suitable for ornamental work.  💥 Quartzite has most weather resisting characteristics.  💥 A good building stone should not absorb water more than 5%.  💥 Compact sand stone has more fire resisting characteristics.  💥 Weight test is conducted on a stone used in docks and harbours.  💥 Granite stone is best suited for construction of piers and abutments.  💥 Crushing strength of good building stone should be more than 100mpa.  💥 Specific gravity of most of the building stone lies between 2.5 to 3.  💥 Pith-annular rings-heartwood-sapwood - cambium layer-inner and outer bark.  💥 Shisham is hard wood and offer maximum resistance to the white ants.  💥 Star shakes...