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201. |
The cost of construction of rigid pavements is |
A. | same |
B. | less |
C. | more |
Answer» C. more |
202. |
Clothoid is the ideal shape of a transition curve. |
A. | Agree |
B. | Disagree |
Answer» A. Agree |
203. |
To prevent the development of excessive compressive stresses in the concrete pavements as a result of expansion caused by increase in temperature, the type of transverse joint provided is |
A. | construction joint |
B. | contraction joint |
C. | expansion joint |
D. | all of these |
Answer» C. expansion joint |
204. |
Dead slow' is a |
A. | regulatory sign |
B. | warning sign |
C. | informatory sign |
D. | none of these |
Answer» A. regulatory sign |
205. |
A horizontal curve on a road provides |
A. | change in the direction |
B. | change in the gradient of road |
C. | both (a) and (b) |
D. | none of these |
Answer» A. change in the direction |
206. |
The higheay capacity is expressed in passenger car unit (PCU). According to IRC, for a passenger car, the PCU is |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» A. 1 |
207. |
In the absence of super-elevation on road along curves, pot holes are likely to occur at the |
A. | centre |
B. | outer edge |
C. | inner edge |
Answer» B. outer edge |
208. |
Highway density is defined as the total number of vehicles |
A. | that can be accomodated on a unit length of the road |
B. | that can pass a given point in a unit period of time |
C. | that can pass a given point in a specified period of time |
D. | none of the above |
Answer» A. that can be accomodated on a unit length of the road |
209. |
Level crossing' is a |
A. | regulatory sign |
B. | warning sign |
C. | informatory sign |
D. | none of these |
Answer» B. warning sign |
210. |
A cubic spiral is |
A. | superior |
B. | inferior |
Answer» A. superior |
211. |
In Telford construction, the side portions were made up of only one layer of broken stones and levelled off to give a camber not greater than |
A. | 1 in 40 |
B. | 1 in 60 |
C. | 1 in 80 |
D. | 1 in 120 |
Answer» B. 1 in 60 |
212. |
Steeper camber may cause deterioration of the central portion of the road surface. |
A. | Correct |
B. | Incorrect |
Answer» A. Correct |
213. |
The city roads which are meant for through traffic usually on a continuous route are known as |
A. | carriage-way |
B. | express way |
C. | arterial streets |
D. | sub-arterial streets |
Answer» C. arterial streets |
214. |
The maximum number of vehicles that can pass a vigen point on a lane during one hour without creating unreasonable delay, is known as practical capacity. |
A. | Yes |
B. | No |
Answer» A. Yes |
215. |
The importance of roads in a country is comparable to the veins in the human body. |
A. | Agree |
B. | Disagree |
Answer» A. Agree |
216. |
The thickness of the parapet wall, on the valley side of the roadway, is usually kept as |
A. | 20 cm |
B. | 40 cm |
C. | 60 cm |
D. | 80 cm |
Answer» C. 60 cm |
217. |
The minimum length of a valley curve should be such that the head light beam sight distance is equal to the |
A. | stopping sight distance |
B. | passing sight distance |
C. | braking distance |
D. | none of these |
Answer» A. stopping sight distance |
218. |
An essential gradient, which has to be provided for the purpose of road drainage, is called |
A. | maximum gradient |
B. | minimum gradient |
C. | exceptional gradient |
D. | floating gradient |
Answer» B. minimum gradient |
219. |
A breast wall is usually constructed on the hill side of the roadway. |
A. | Agree |
B. | Disagree |
Answer» A. Agree |
220. |
The maximum number of vehicles can be parked with |
A. | parallel parking |
B. | right angle parking |
C. | 45? angle parking |
D. | 75? angle parking |
Answer» A. parallel parking |
221. |
A circular curve may be a vertical curve. |
A. | Yes |
B. | No |
Answer» B. No |
222. |
The design criterion for the summit curves is the sight distance to be allowed on the highway. |
A. | Correct |
B. | Incorrect |
Answer» A. Correct |
223. |
The dowel bars are used in rigid pavements for |
A. | resisting tensile stresses |
B. | resisting bending stress |
C. | resisting shear stresses |
D. | transferring load from one portion to another |
Answer» D. transferring load from one portion to another |
224. |
A road within a city or town in called an urban road. |
A. | True |
B. | False |
Answer» A. True |
225. |
The most efficient traffic signal system is |
A. | simultaneous system |
B. | alternate system |
C. | flexible progressive system |
D. | simple progressive system |
Answer» C. flexible progressive system |
226. |
The flexible pavement distribute the wheel load |
A. | directly to sub-grade |
B. | through a set of layers to sub-grade |
C. | through structural action |
D. | none of these |
Answer» B. through a set of layers to sub-grade |
227. |
The shape of the camber provided for cement concrete pavement is |
A. | straight line |
B. | parabolic |
C. | elliptical |
D. | none of these |
Answer» A. straight line |
228. |
The Central Road Research Institute (C.R.R.I.) was started in Delhi, in |
A. | 1951 |
B. | 1955 |
C. | 1964 |
D. | 1965 |
Answer» A. 1951 |
229. |
A cement grouted road is an example of |
A. | semi-rigid |
B. | rigid |
C. | flexible |
Answer» A. semi-rigid |
230. |
Of all the forces stressing a concrete pavement, the most significant are those imposed by the |
A. | change in temperature |
B. | change in moisture |
C. | wheel loads |
D. | force of friction |
Answer» C. wheel loads |
231. |
Super-elevation should not be |
A. | more |
B. | less |
Answer» B. less |
232. |
The highest point on road surface is called |
A. | crown |
B. | camber |
C. | gradient |
D. | berm |
Answer» A. crown |
233. |
The foundation of a road is also called |
A. | soling |
B. | base |
C. | either (a) or (b) |
D. | none of these |
Answer» C. either (a) or (b) |
234. |
The average speed maintained by a vehicle over a particular stretch of road, while the vehicle is in motion, is known as |
A. | design speed |
B. | running speed |
C. | spot speed |
D. | overall speed |
Answer» B. running speed |
235. |
The group index method of designing flexible pavement is |
A. | an empirical method based on the physical properties of the sub-grade woil |
B. | an empirical method based on the strength characteristics of the sub-grade woil |
C. | a semi-empirical method |
D. | none of these |
Answer» A. an empirical method based on the physical properties of the sub-grade woil |
236. |
Steep terrain is a terrain with cross-slope greater than 60 percent. |
A. | Correct |
B. | Incorrect |
Answer» A. Correct |
237. |
Transverse joints are provided at right-angles to the length of road. |
A. | Yes |
B. | No |
Answer» A. Yes |
238. |
Gradients more than the floating gradient result in the |
A. | decrease |
B. | increase |
Answer» B. increase |
239. |
Longitudinal joints in concrete pavements |
A. | divide the pavement into lanes |
B. | take care of the unequal settlement of the sub-grade |
C. | help in laying out concrete in convenient widths |
D. | all of the above |
Answer» D. all of the above |
240. |
The value of ruling gradient in hills, as recommended by Indian Roads Congress, is |
A. | 1 in 10 |
B. | 1 in 20 |
C. | 1 in 30 |
D. | 1 in 40 |
Answer» B. 1 in 20 |
241. |
The selection of design curve in Wyoming method of flexible pavement design, is based upon |
A. | annual precipitation |
B. | water-table |
C. | frost action |
D. | all of these |
Answer» D. all of these |
242. |
To prevent the overturning of a bullock cart on curves, the maximum value of super-elevation as prescribed by the Indian Roads Congress is |
A. | 1 in 5 |
B. | 1 in 10 |
C. | 1 in 15 |
D. | 1 in 20 |
Answer» C. 1 in 15 |
243. |
According to IRC : 52-1973, the first stage for fixing up alignment of a hill road is |
A. | trace cut |
B. | detailed survey |
C. | preliminary survey |
D. | reconnaissance |
Answer» D. reconnaissance |
244. |
Class-5 roads have a width of |
A. | 2.45 m |
B. | 3.65 m |
C. | 4.9 m |
D. | 6 m |
Answer» C. 4.9 m |
245. |
The suitable gradient within which the engineer must endeavour to design the road is called |
A. | limiting gradient |
B. | ruling gradient |
C. | average gradient |
D. | exceptional gradient |
Answer» B. ruling gradient |
246. |
The colour of light used for visibility during fog is |
A. | red |
B. | yellow |
C. | green |
D. | white |
Answer» B. yellow |
247. |
In hill roads, minimum sight distance required is |
A. | stopping sight distance |
B. | passing sight distance |
C. | braking distance |
D. | none of these |
Answer» A. stopping sight distance |
248. |
A road sign is generally installed above the ground at a height of |
A. | 2.75 m to 2.80 m |
B. | 2.95 m to 3.00 m |
C. | 3.15 m to 3.5 m |
D. | more than 3.5 m |
Answer» A. 2.75 m to 2.80 m |
249. |
In order to give satisfactory service throughout the year, the road surface should |
A. | have a good carriage-way |
B. | have smooth gradient |
C. | have a good wearing surface |
D. | all of these |
Answer» D. all of these |
250. |
Greater the super-elevation, more will be convenience to the slow moving traffic. |
A. | Right |
B. | Wrong |
Answer» B. Wrong |
251. |
The structure of a road is composed of |
A. | sub-grade |
B. | sub-base |
C. | base |
D. | all of these |
Answer» D. all of these |
252. |
The joints, for forming satisfactory constituents of a concrete pavement, must |
A. | continue to remain water-proof for all times |
B. | not induce structural weakness in the pavement |
C. | not result into deterioration in the riding quality of the pavement |
D. | all of the above |
Answer» D. all of the above |
253. |
As per IRC recommendations, the sub-grade or sub-base layer whatever underlies the concrete wearing slab, in concrete pavements, must confirm to the requirement that |
A. | no soft spots are present in the sub-grade or sub-base |
B. | the base or sub-base extends to atleast 30 cm wider on either side of the width to be concreted |
C. | the sub-grade is properly drained |
D. | all of the above |
Answer» D. all of the above |
254. |
Highway capacity is defined as the total number of vehicles |
A. | that can be accomodated on a unit length of the road |
B. | that can pass a given point in a unit period of time |
C. | that can pass a given point in a specified period of time |
D. | none of the above |
Answer» B. that can pass a given point in a unit period of time |
255. |
The sub-grade is the final load carrying part of the structure. |
A. | True |
B. | False |
Answer» A. True |
256. |
The stopping sight distance is always |
A. | equal to |
B. | less than |
C. | greater than |
Answer» B. less than |
257. |
The purpose of traffic surveys is to |
A. | know the type of traffic |
B. | determine the facilities to traffic regulations |
C. | design proper drainage system |
D. | all of the above |
Answer» D. all of the above |
258. |
The rate of rise or fall of the road surface along its length, is called |
A. | cant |
B. | super-elevation |
C. | gradient |
D. | banking |
Answer» C. gradient |
259. |
The traffic census is carried out to study |
A. | speed and delay |
B. | traffic volume |
C. | road parking |
D. | origin and destination |
Answer» C. road parking |
260. |
In case of multi-lane road, overtaking is generally permitted from |
A. | left side |
B. | right side |
C. | both sides |
D. | any one of these |
Answer» C. both sides |
261. |
The gradient of a road depends upon the |
A. | nature of traffic |
B. | nature of ground |
C. | rainfall of the locality |
D. | all of these |
Answer» D. all of these |
262. |
The overall height of the vehicle determines the |
A. | width of the pavement needed for the highway |
B. | width of the bridges on the highway |
C. | lengths of the valley curves at the underpasses in the city areas |
D. | hight of the tunnels along the highways |
E. | Both (c) and (d) |
Answer» E. Both (c) and (d) |
263. |
A vertical curve on a road provides change in gradient. |
A. | Correct |
B. | Incorrect |
Answer» A. Correct |
264. |
The main advantage of providing transition curves on highways, is |
A. | to obtain transition from the tangent to the circular curve and from the obtain transition from the tangent to the circular curve and from the circular to the tangent |
B. | to obtain a gradual increase of curfature from a value of zero at the tangent to a maximum at the circular curve |
C. | to have a gradual increase of super-elevation from zero at the tangent to a specific maximum at the circular curve |
D. | all of the above |
Answer» D. all of the above |
265. |
According to IRC : 52-1973, for a single lane National highway in a hilly area |
A. | the total width of the road-way must be 6.25 m |
B. | the width of the carriage way must be 3.75 m |
C. | the shoulder on either side must be 1.25 m |
D. | all of the above |
Answer» D. all of the above |
266. |
According to IRC recommendations, the width of transverse expansion joint should be |
A. | 10 mm |
B. | 20 mm |
C. | 30 mm |
D. | 40 mm |
Answer» B. 20 mm |
267. |
On horizontal and vertical curves, crossing sight distance must be provided to avoid any collision of two vehicles coming from opposite directions. |
A. | Agree |
B. | Disagree |
Answer» A. Agree |
268. |
The parapet walls are usually required on the valley side of the roadway, in order to |
A. | retain the earth from slippage |
B. | properly guide the vehicles to the roadway |
C. | provide a good drainage system |
D. | keep the road dry |
Answer» B. properly guide the vehicles to the roadway |
269. |
If the width of cariage way is 10 m and the outer edge is 40 cm higher than the inner edge, then the super-elevation required is |
A. | 1 in 25 |
B. | 1 in 100 |
C. | 1 in 400 |
D. | none of these |
Answer» A. 1 in 25 |
270. |
A terrain with cross-slope less than 10 percent, is called |
A. | steep terrain |
B. | mountainous terrain |
C. | level terrain |
D. | rolling terrain |
Answer» C. level terrain |
271. |
The speed that a driver adopts on a highway depends on the |
A. | Physical characteristics of the highway and its surroundings |
B. | weather conditions in the area |
C. | speed limitations placed upon the vehicles |
D. | all of the above |
Answer» D. all of the above |
272. |
A curve which consists of a single are connecting two straights is known as |
A. | simple circular curve |
B. | reverse circular curve |
C. | cubic spiral curve |
D. | lamniscate |
Answer» A. simple circular curve |
273. |
The longitudinal levels, in detailed survey of a hill road, should be taken at |
A. | 4 m |
B. | 6 m |
C. | 8 m |
D. | 10 m |
Answer» D. 10 m |
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