SSC JE Civil Preliminary Exam in January 2018 | Practice test Day – 55 Welcome to your SSC JE Civil 2018 Objective Exam Practice test Day - 55 Take an exciting test in SSC JE Civil Preliminary Exam in January 2018. You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1) When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as A. valley curve B. sag curve C. summit curve D. all the above.2) For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is A. 1 sec B. 1.5 sec C. 2.0 sec D. 2.5 sec3) In case of a multi-lane road, overtaking is generally permitted A. from right B. from left C. from both sides right and left D. not at all.4) Floating gradients are generally provided A. along maximum gradients B. along minimum gradients C. at summit curves D. at valley curves5) An Executive Engineer of roads, executes works under direct control of A. Superintending Engineer B. Secretary to the Govt C. Chief Engineer D. None of these.6) Speed regulations on roads is decided on the basis of A. 60 percentile cumulative frequency B. 75 percentile cumulative frequency C. 80 percentile cumulative frequency D. 85 percentile cumulative frequency.7) The usual width of side drains along Highways in hilly region, is A. 50 cm B. 60 cm C. 70 cm D. 80 cm8) If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is A. 500 vehicles per hour B. 700 vehicles per hour C. 1000 vehicles per hour D. 1250 vehicles per hour9) If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is A. 32.44 km/hour B. 42.44 kg/hour C. 52.44 km/hour D. 62.44 km/hour10) The desirable camber for straight roads with thin bituminous surfacing, is A. 1 in 33 to 1 in 25 B. 1 in 40 to 1 in 33 C. 1 in 150 to 1 in 140 D. 1 in 160 to 1 in 14011) Normal formation width of a hill road for one-way traffic, is A. 3.6 m B. 4.8 m C. 6.6 m D. 7.2 m12) Newly constructed pavement with ordinary Portland cement attains its working strength after A. 7 days B. 14 days C. 21 days D. 28 days13) If no super elevation is provided on a road along curves, pot holes may develop at A. inner edge of the road B. outer edge of the road C. centre of the road D. no where on the road.14) The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a hill road, should be A. 3 m B. 4 m C. 5 m D. 6 m15) Reconnaissance is best done with the help of A. aerial photographic survey B. condastral surveys C. topographical surveys D. triangulation surveys16) Minimum thickness of the base of a flexible pavement, is A. 10 cm B. 15 cm C. 20 cm D. 25 cm17) Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2, is A. 70 kg/sq cm B. 80 kg/sq cm C. 90 kg/sq cm D. 100 kg/sq cm18) Width of the shoulders of carriage way is generally kept A. 100 cm B. 125 cm C. 150 cm D. 200 cm E. 250 cm19) The pavement width of a road depends upon A. terrain B. type of traffic C. number of lanes D. all the above.20) The most commonly adopted method to provide super-elevation on roads, is by pivoting the road surface about A. outer edge so that the inner edge is lowered B. crown so that outer edge is raised and inner edge is lowered C. inner edge so that outer edge is raised D. none of these.21) Enoscope is used to determine A. spot speed B. average speed C. travel time D. none of these.22) The perpendicular offset from the tan-get to the central point of the circular curve, is A. R sin θ/2 B. R cos θ/2 C. R (1 - cos θ/2) D. R (1 - sin θ/2)23) The inventor of road making as a building science, was A. Sully B. Tresguet C. Telford D. Macadam.24) Curves in the same direction separated by short tangents, are called A. simple circular curves B. compound curves C. transition curves D. broken-back curves.25) The wall constructed for the stability of a back filling portion of a road on the down hill side, is known as A. retaining wall B. breast wall C. parapet wall D. all the above.