Description : If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be (A) 60/R (B) 70/R (C) 75/R (D) 80/R
Last Answer : Answer: Option C
Description : The width of the right of way in urban area, is kept between 24 m to 60 m for (A) National Highways (B) State Highways (C) Both (a) and (b) (D) None of these
Last Answer : Answer: Option D
Description : The radius of curvature of the arc of the bubble tube is generally kept (A) 10 m (B) 25 m (C) 50 m (D) 100 m
Last Answer : (D) 100 m
Description : The normal road width of National and State highways (A) Is kept 45 m (B) In plain and rolling terrain built-up area, is 30 m (C) In mountainous built-up area is 20 m (D) All the above
Description : The usual width of side drains along Highways in hilly region, is (A) 50 cm (B) 60 cm (C) 70 cm (D) 100 cm
Last Answer : Answer: Option B
Description : The usual width of parapet walls along Highways in hilly region, is (A) 50 cm (B) 60 cm (C) 70 cm (D) 80 cm
Description : The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is (A) Same for National Highways (B) Different for National Highways (C) Same for State Highways (D) Same for Major District roads
Description : The radius of curvature provided along a transition curve, is (A) Minimum at the beginning (B) Same throughout its length (C) Equal to the radius of circular curve (D) Varying from infinity to the radius of circular curve
Description : Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is (A) 0.225 m (B) 0.589 m (C) 1.250 m (D) None of these
Description : The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is (A) 0.500 m (B) 0.589 m (C) 1.089 m (D) 0.089 m
Description : An automobile weighing 2800 lb and travelling at 30 miles/hr, hits a depression in the road which has a radius of curvature of 50 ft. What is the total force to which springs are subjected. a.8230 lb b.6170 lb c.2800 ib d.107 dynes e.3280 lb
Last Answer : b. 6170 lb
Description : According to National Building Code, the hydrants in water mains is provided at minimum interval of (A) 50 m (B) 60 m (C) 75 m (D) 90 m
Last Answer : Option C
Description : The minimum design speed for hairpin bends in hill roads is taken as (A) 20 kmph (B) 30 kmph (C) 40 kmph (D) 50 kmph
Last Answer : Answer: Option A
Description : If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of elasticity stress and the depth of the neutral axis at section, then (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F
Last Answer : (C) M/I = E/R = E/Y
Description : When a number of hair pin bends are introduced, a minimum intervening distance in between is kept (A) 20 m (B) 40 m (C) 60 m (D) 100 m
Description : Pick up the correct statement from the following: (A) Minimum desirable width of medians on rural highways is 5 metres (B) Minimum width of medians should be 3 metres (C) On long bridges and viaducts, the width of medians should be 1.5 m (D) All the above
Description : Roadway width for a National highways and State highways (two-lanes) is (A) 12 m (B) 9 m (C) 9.5 m (D) 15 m
Description : Road width 8.8 m of two lane National highways or State highways in mountainous terrain (A) Excludes the width of parapet (0.6 m) (B) Excludes the width of side drain (0.6 m) (C) Excludes the width of parapet and side drain (D) Includes the width of parapet and side drain
Description : The absolute minimum radius of horizontal curve for a design speed 60 kmph is (A) 131 m (B) 210 m (C) 360 m (D) None of these
Description : Ruling gradient on hill roads 300 m above M.S.L. is kept (A) 4 % (B) 5 % (C) 7 % (D) 8 %
Description : Two numbers are in the ration 3:5. If 9 is subtracted from the numbers, the ratio becomes 12:23. The numbers are (A) 30, 50 (B) 36, 60 (C) 33, 55 (D) 42, 70
Last Answer : Answer: C
Description : 14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10
Last Answer : Object distance (u) = - 20 cm Object height (h) = 5 cm Radius of curvature (R) = 30 cm Radius of curvature = 2 Focal length R = 2f f = 15 cm According to the mirror formula, ... image height indicates that the image formed is erect. Hence, the image formed is erect, virtual, and smaller in size.
Description : An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. -Science
Last Answer : Here, radius of curvature of concave mirror, R = 30 cm. Therefore, focal length of the mirror, f = R/2 = 30/2 = 15 cm Also, object distance, u = 12 cm Hence, knowing the focal length of mirror and ... (i) Erect (ii) Larger in size than that of the object (iii) Virtual and (iv) Behind the mirror.
Description : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a small cavity in order to get a virtual image magnified
Last Answer : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a ... order to get a virtual image magnified `5` times ?
Description : The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image? (a) infinity (b) 30 cm (c) Between 16 cm and 30 cm (d) Between 0 cm and 15 cm
Last Answer : (d) Between 0 cm and 15 cm
Description : The radius of curvature of the mirror is (a) -16 cm (b) -14 cm (c) -30 cm (d) -32 cm
Last Answer : (d) -32 cm
Description : If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than (A) 20.5 mm (B) 30.5 mm (C) 40.5 mm (D) 50.5 mm
Description : Minimum required water cement ratio for a workable concrete, is (A) 0.30 (B) 0.40 (C) 0.50 (D) 0.60
Description : For Unbraced column, the ratio of the clear height of the column to the minimum dimension of the column shall not exceed [ A ] 30 [ B ] 40 [ C ] 50 [ D ] 60
Last Answer : [ A ] 30
Description : In order to avoid the material failure in a braced column, the clear distance between restraints should never exceed [ A ] 30 times the minimum dimensions of the column [ B ] 40 times the minimum ... 50 times the minimum dimensions of the column [ D ] 60 times the minimum dimensions of the column
Last Answer : [ D ] 60 times the minimum dimensions of the column
Description : A roller coaster reaches a velocity of 20 m/s at a location where the radius of curvature is 40 m. Calculate the acceleration in m/s2? a.10 b.9 c.11 d.8 e.107 dynes
Last Answer : a. 10
Description : An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of curvature 0.4 m. find the position, nature and the size of t
Last Answer : An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of ... the position, nature and the size of the image formed.
Description : Designation of a curve is made by: (A) Angle subtended by a chord of any length (B) Angle subtended by an arc of specified length (C) Radius of the curve (D) Curvature of the curve
Last Answer : (C) Radius of the curve
Description : The sensitiveness of a level tube decreases if (A) Radius of curvature of its inner surface is increased (B) Diameter of the tube is increased (C) Length of the vapour bubble is increased (D) Both viscosity and surface tension are increased
Last Answer : (D) Both viscosity and surface tension are increased
Description : The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube
Last Answer : (A) Increasing the diameter of the tube
Description : Pick up the incorrect statement from the following. The super-elevation on roads is (A) Directly proportional to width of pavement (B) Directly proportional to velocity of vehicles (C) Inversely proportional to acceleration due to gravity (D) Inversely proportional to the radius of curvature
Description : In an ideal transition curve, the radius of curvature (A) Is constant (B) At any point is directly proportional to its distance from the point of commencement (C) Is inversely proportional to the radius of main curve (D) Is directly proportional to the radius of main curve
Description : The maximum value of hoop compression in a dome is given by (A) wR / 4d (B) wR/2d (C) wR/d (D) 2wR/d Where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome
Last Answer : (B) wR/2d
Description : Height of crucible is kept from top surface of mould? (i) 30 mm (ii) 40 mm (iii) 50 mm* (iv) 60 mm
Last Answer : (iii) 50 mm*
Description : While designing hair pin bends on highways, the minimum (A) Designed speed is 20 km/hour (B) Gradient is 1 in 40 (C) Gradient is 1 in 200 (D) All the above
Description : Selection of the routes, of highways depends upon (A) Feasibility of attaining ruling gradient (B) Avoidance of cutting hard rocks (C) Minimum number of bridges (D) All the above
Description : The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of (A) Rolling terrain (B) Mountainous terrain (C) Steep terrain (D) None of these
Description : An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed (A) 45 m per km (B) 60 m per km (C) 75 m per km (D) 90 m per km
Description : The radii of curvature of a double convex lens are 30 cm and 60 cm and its refractive index is 1.5. calculate its focal length.
Last Answer : The radii of curvature of a double convex lens are 30 cm and 60 cm and its refractive index is 1.5. calculate its focal length.
Description : 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 m
Description : The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %
Last Answer : (C) 50 %
Description : Minimum width of ship clearance shall be (A) B or 30 m (B) 1.5 B or 50 m (C) 1.5 B (D) 50 m
Last Answer : (A) B or 30 m
Description : Select the correct statement. . A) Contour interval on any map is kept constant. (B) Direct method of contouring is cheaper than indirect method. (C) Intervisibility of points on a contour map cannot be ascertained. (D) Slope of a hill cannot be determined with the help of contours.
Last Answer : (A) Contour interval on any map is kept constant.
Description : A flywheel weighs 400 kg and has a radius of gyration of 30 cm about its axis of rotation. It is mounted on a shaft subjected to a moment of 40 kgm. If the flywheel starts from restits speed after 3 seconds wil be a.10.9 rad/sec b.19.0 rad/sec c.51.2 rad/sec d.3.33 rad/sec e.16.35 rad/sec
Last Answer : d. 3.33 rad/sec
Description : Pick up the incorrect statement from the following regarding fire hydrants (A) Fire hydrants are fitted in water mains at 100 m to 150 m apart at fire (B) The minimum water pressure hydrants, is kept 1.5 kg/ ... to 1.5 kg/cm2 is made available for 4 to 5 hours for constant use (D) None of these
Last Answer : (D) None of these