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101. |
A barrel camber consists of |
A. | two straight slopes joining at the centre |
B. | two straight slopes with a parabolic crown in the centre |
C. | a continuous curve either parabolic or ellptical |
D. | none of the above |
Answer» C. a continuous curve either parabolic or ellptical |
102. |
A camber consisting of two straight slopes joining at the centre is called |
A. | barrel camber |
B. | sloped camber |
C. | composite camber |
D. | none of these |
Answer» B. sloped camber |
103. |
In India, a curve is expressed in terms of angle in degrees subtended to the centre by an arc of |
A. | 25 m |
B. | 30 m |
C. | 45 m |
D. | 60 m |
Answer» B. 30 m |
104. |
The rate of change of radial acceleration governs the |
A. | length of a transition curve |
B. | extra width of pavement on the curve |
C. | length of the tangent of a simple circular curve |
D. | all of the above |
Answer» A. length of a transition curve |
105. |
If R is the radius of curvature of a hill road, the maximum grade compensation (in percentage) is equal to |
A. | 65/R |
B. | 75/R |
C. | 85/R |
D. | 95/R |
Answer» B. 75/R |
106. |
The Border Roads Development Board was established in |
A. | 1934 |
B. | 1948 |
C. | 1951 |
D. | 1960 |
Answer» D. 1960 |
107. |
On cement concrete roads, the comber generally provided is 1 in 70 to 1 in 80. |
A. | Agree |
B. | Disagree |
Answer» A. Agree |
108. |
The longest distance at which a driver, whose line of sight is 1.2 m above the road surface, can see the top of an object 10 cm high on the surface of road, is called |
A. | crossing sight distance |
B. | stopping or non-passing sight distance |
C. | over taking or passing sight distance |
D. | lateral sight distance |
Answer» B. stopping or non-passing sight distance |
109. |
Roads only meant for slow moving traffic |
A. | must |
B. | must not |
Answer» B. must not |
110. |
The flexible pavements have self-healing properties. |
A. | Right |
B. | Wrong |
Answer» A. Right |
111. |
At a road junction, |
A. | 5 |
B. | 7 |
C. | 9 |
D. | 16 |
Answer» D. 16 |
112. |
On kankar road, the camber generally provided is |
A. | 1 in 24 to 1 in 30 |
B. | 1 in 30 to 1 in 48 |
C. | 1 in 48 to 1 in 60 |
D. | 1 in 60 to 1 in 80 |
Answer» A. 1 in 24 to 1 in 30 |
113. |
Carriage-way is protected by |
A. | 0.5 to 1.25 m |
B. | 1.25 to 2 m |
C. | 2 to 4 m |
D. | 4 to 6 m |
Answer» B. 1.25 to 2 m |
114. |
The overall length of the vehicle effects the |
A. | turning radii of the curve |
B. | time needed to overtake |
C. | off-tracking of vehicle |
D. | all of these |
Answer» D. all of these |
115. |
The maximum spacing of contraction joints in unreinforced concrete slabs for a slab thickness of 20 cm is |
A. | 4.5 m |
B. | 10 m |
C. | 15 m |
D. | 20 m |
Answer» A. 4.5 m |
116. |
When the bearing capacity of soil is poor and the intensity of traffic is high, an additional layer is provided between the soling and sub-grade. This additional layer is called |
A. | wearing layer |
B. | sub-base |
C. | road surfacing |
D. | all of these |
Answer» B. sub-base |
117. |
The type of transition curve recommended by the IRC is |
A. | cubic parabola |
B. | cubic spiral |
C. | lamniscate |
D. | none of these |
Answer» B. cubic spiral |
118. |
The reason for providing curves on a highway is |
A. | to provide access to a particular locality |
B. | restriction imposed by some unavoidable reasons of land |
C. | preservation of existing amenities |
D. | all of the above |
Answer» D. all of the above |
119. |
Traffic-actuated signals may be |
A. | full traffic-actuated signals |
B. | semi-traffic actuated signals |
C. | speed control signals |
D. | all of these |
Answer» D. all of these |
120. |
According to IRC, the minimum length of the summit or valley curve should not be less than |
A. | one-half |
B. | one-fourth |
C. | two-third |
Answer» A. one-half |
121. |
The value of ruling gradient in plain, as recommended by Indian Roads Congress, is |
A. | 1 in 10 |
B. | 1 in 20 |
C. | 1 in 30 |
D. | 1 in 40 |
Answer» C. 1 in 30 |
122. |
For walls less than 6 m in height, the thickness of the retaining wall at the bottom is equal to |
A. | 0.2 times the height |
B. | 0.3 times the height |
C. | 0.4 times the height |
D. | 0.5 times the height |
Answer» C. 0.4 times the height |
123. |
The value of group index of a soil varies from |
A. | 0 to 10 |
B. | 0 to 20 |
C. | 20 to 30 |
D. | 30 to 40 |
Answer» B. 0 to 20 |
124. |
The strength and durability of a road depends upon its sub-grade. |
A. | True |
B. | False |
Answer» A. True |
125. |
If the traffic detectors are used on all the approaches to an intersection, the control signal is known as |
A. | full traffic-actuated signal |
B. | semi-traffic actuated signals |
C. | speed control signals |
D. | all of these |
Answer» A. full traffic-actuated signal |
126. |
The joints, parallel to the centre-line of the road, are called |
A. | longitudinal joints |
B. | transverse joints |
C. | expansion joints |
D. | all of these |
Answer» A. longitudinal joints |
127. |
The longitudinal joints may be |
A. | tongue and groove type |
B. | butt type |
C. | weakened plane type |
D. | all of these |
Answer» D. all of these |
128. |
The shape of a vertical curve is |
A. | parabolic |
B. | spiral |
C. | elliptical |
D. | any one of these |
Answer» A. parabolic |
129. |
An gradient on a road is said to be an exceptional gradient if its is |
A. | less than the minimum gradient |
B. | more than the maximum gradient |
C. | more than the minimum gradient |
D. | less than the maximum gradient |
Answer» A. less than the minimum gradient |
130. |
The length of the tangent of a simple curve having angle of deflection ? and radius of curvature R, is equal to |
A. | R sin ?/2 |
B. | R cos ?/2 |
C. | R tan ?/2 |
D. | R cot ?/2 |
Answer» C. R tan ?/2 |
131. |
A complete signal-time cycle constitutes |
A. | red timing |
B. | yellow timing |
C. | green timing |
D. | all of these |
Answer» D. all of these |
132. |
Alignment of a road is finally decided on the basis of |
A. | selection of route |
B. | field survey |
C. | trace cut |
D. | none of these |
Answer» B. field survey |
133. |
A curve at the ridge of a hill having a convex shape is called a |
A. | valley curve |
B. | summit curve |
C. | re-entrant curve |
D. | salient curve |
Answer» D. salient curve |
134. |
The super structure of a road is called |
A. | wearing layer |
B. | wearing course |
C. | road surfacing |
D. | any one of these |
Answer» D. any one of these |
135. |
The natural soil on which the pavement rests and to which the entire load of structure is ultimately transferred, is known as the |
A. | base of road |
B. | sub-base of road |
C. | sub-grade of road |
D. | all of these |
Answer» C. sub-grade of road |
136. |
For jeepable roads, the width of pavement adopted is |
A. | 3 m |
B. | 3.75 m |
C. | 5 m |
D. | 5.5 m |
Answer» A. 3 m |
137. |
According to Indian Roads Congress, the maximum width of a road vehicle is |
A. | 1.85 m |
B. | 2.25 m |
C. | 2.45 m |
D. | 3.2 m |
Answer» B. 2.25 m |
138. |
The longitudinal joint in concrete pavements, as recommended by IRC, is of |
A. | tongue and groove type |
B. | butt type |
C. | weakened plane type |
D. | hinged type |
Answer» B. butt type |
139. |
The major function of reinforcement, in concrete pavements, is |
A. | to strengthen the slab |
B. | to hold together the cracks |
C. | to control the development of cracks |
D. | all of these |
Answer» C. to control the development of cracks |
140. |
The volume of traffic, that would immediately use a new or an improved road when opened to traffic, is known as |
A. | generated traffic |
B. | development traffic |
C. | current traffic |
D. | all of these |
Answer» C. current traffic |
141. |
The longitudinal joints are provided when the width of road is more than |
A. | 3 m |
B. | 4 m |
C. | 5.5 m |
D. | 6.75 m |
Answer» B. 4 m |
142. |
The Motor Vehicle Act was enacted in |
A. | 1930 |
B. | 1934 |
C. | 1939 |
D. | 1948 |
Answer» C. 1939 |
143. |
The average number of vehicles per day passing on a section of the road during a particular year, is called |
A. | peak hour traffic |
B. | average daily traffic |
C. | design hourly volume |
D. | any one of these |
Answer» B. average daily traffic |
144. |
The reaction time of a driver |
A. | remains constant |
B. | increases |
C. | decreases |
Answer» C. decreases |
145. |
The fundamental condition for a perfect transition curve is that radius of curvature at any point should be |
A. | directly |
B. | inversely |
Answer» B. inversely |
146. |
The traffic capacity of a highway is always |
A. | equal |
B. | more |
C. | less |
Answer» B. more |
147. |
National Highways Act, 1956 came into force from |
A. | 15th April, 1957 |
B. | 15th April, 1958 |
C. | 15th April, 1960 |
D. | 15th April 1961 |
Answer» A. 15th April, 1957 |
148. |
Super-elevation is expressed as |
A. | the difference of heights of two edges of the carriage-way to the width of the carriage-way |
B. | the difference of radii of curves |
C. | the difference of the road gradients |
D. | none of the above |
Answer» A. the difference of heights of two edges of the carriage-way to the width of the carriage-way |
149. |
Design of both summit and valley curves is based on the assumption that the |
A. | curve is so flat that the length of curve is equal to the length of chord |
B. | two portions of the curve along the two tangents on either side of the point of intersection are equal |
C. | angles made by the tangent with the horizontal are very small and tangents of those angles are equal to the angles themselves (in radians) |
D. | all of the above |
Answer» D. all of the above |
150. |
A parapet well is usually constructed on the |
A. | hill side |
B. | valley side |
Answer» B. valley side |
151. |
Summit curves are required to be introduced at the situations where |
A. | a positive grade meets a negative grade |
B. | a positive grade meets another milder positive grade |
C. | a negative grade meets a steeper negative grade |
D. | all of the above |
Answer» D. all of the above |
152. |
Class-9 roads are designed to carry |
A. | jeeps |
B. | 1-tonne vehicles |
C. | 3-tonne vehicles |
D. | 10 tonne vehicles |
Answer» C. 3-tonne vehicles |
153. |
Which of the following statement is wrong? |
A. | Where the traffic flow is uninterrupted, the design capacity of a road is numerically equal to practical capacity. |
B. | The design capacity, normally, is a term applied to existing highways. |
C. | The practical capacity, normally, is a term applied to new highways. |
D. | all of the above |
Answer» A. Where the traffic flow is uninterrupted, the design capacity of a road is numerically equal to practical capacity. |
154. |
The stopping sight distance depends upon the |
A. | reaction time |
B. | braking time |
C. | speed of vehicle |
D. | all of these |
Answer» D. all of these |
155. |
The parking of vehicles is usually preferred at 75? to the aisles. |
A. | True |
B. | False |
Answer» A. True |
156. |
Kautilya got constructed a National Highway connecting North West Fronter Province and Patna in about. |
A. | 295 B.C. |
B. | 300 B.C. |
C. | 310 B.C. |
D. | 337 B.C. |
Answer» B. 300 B.C. |
157. |
In large cities, especially in congested areas, one way streets are provided in order to |
A. | reduce to a minimum the possible conflicting points |
B. | increase the carrying capacity of the street |
C. | eliminate, at night, the glare from head lamps of opposite vehicles |
D. | all of the above |
Answer» D. all of the above |
158. |
The camber, for the drainage of surface water, was first introduced by |
A. | Telford |
B. | Tresaguet |
C. | Sully |
D. | Macadam |
Answer» B. Tresaguet |
159. |
For transportation purposes in India, the first preference is given to |
A. | air lines |
B. | roads |
C. | shipping |
D. | railways |
Answer» B. roads |
160. |
Which of the following statement is wrong? |
A. | A summit curve is provided where a positive grade meets a negative grade. |
B. | A circular curve may be a reverse curve. |
C. | A transition curve tends to counteract the swaying outwards of a vehicle. |
D. | none of the above |
Answer» D. none of the above |
161. |
The slope of the line joining the crown and edge of the road surface is known as |
A. | cross-fall |
B. | corss-slope |
C. | camber |
D. | any one of these |
Answer» D. any one of these |
162. |
For the water-bound macadam road, the recommended camber is |
A. | 1 in 24 to 1 in 30 |
B. | 1 in 30 to 1 in 48 |
C. | 1 in 60 to 1 in 80 |
D. | 1 in 80 to 1 in 120 |
Answer» B. 1 in 30 to 1 in 48 |
163. |
The total rise or fall between any two points chosen on the alignment divided by the horizontal distance between the two points, is called |
A. | average gradient |
B. | exceptional gradient |
C. | ruling gradient |
D. | floating gradient |
Answer» A. average gradient |
164. |
In water-bound Macadam roads |
A. | small broken stones are laid in two layers |
B. | voids between the stones are filled by stone dust |
C. | camber for drainage is given at the formation level itself |
D. | all of the above |
Answer» D. all of the above |
165. |
The opportunities to cross slow moving traffic at intervals is not provided in case of |
A. | two-lane highways |
B. | three-lane highways |
C. | four lane highways |
D. | all of these |
Answer» C. four lane highways |
166. |
The Central Road Research Institute is controlled by |
A. | Shipping and Transport |
B. | Science and Technology |
C. | Planning |
D. | Finance |
Answer» A. Shipping and Transport |
167. |
For walls more than 6 m in height, thickness of retaining wall at the bottom is equal to 0.4 times the height plus |
A. | 10 cm |
B. | 20 cm |
C. | 30 cm |
D. | 40 cm |
Answer» C. 30 cm |
168. |
The side drains are provided on both sides of the roadway, when the road is |
A. | in cutting |
B. | along salient curve |
C. | along re-entrant curve |
D. | all of these |
Answer» A. in cutting |
169. |
The longest road constructed during the time of Shershah Suri was from |
A. | Delhi to Kolkata (Calcutta) |
B. | Lahore to Delhi |
C. | Lahore to Kolkata (Calcutta) |
D. | Lahore to Agra |
Answer» C. Lahore to Kolkata (Calcutta) |
170. |
The value of maximum gradient for hill roads is |
A. | 1 in 5 |
B. | 1 in 10 |
C. | 1 in 15 |
D. | 1 in 20 |
Answer» C. 1 in 15 |
171. |
The height of the parapet wall is usually kept as |
A. | 25 cm |
B. | 50 cm |
C. | 75 cm |
D. | 100 cm |
Answer» C. 75 cm |
172. |
While deriving the formulae for the length of valley curve, it is assumed that the head light is |
A. | 0.25 m |
B. | 0.5 m |
C. | 0.75 m |
D. | 1 m |
Answer» C. 0.75 m |
173. |
The Indian Roads and Transport Development Association (I.R.T.D.A.) was set up in |
A. | 1927 |
B. | 1934 |
C. | 1947 |
D. | 1951 |
Answer» A. 1927 |
174. |
The main object of providing a camber is |
A. | to make the road surface impervious |
B. | to make the road surface durable |
C. | to drain off rain water from road surface, as quickly as possible |
D. | all of the above |
Answer» C. to drain off rain water from road surface, as quickly as possible |
175. |
The length of the side of warning sign boards of roads is |
A. | 30 cm |
B. | 45 cm |
C. | 60 cm |
D. | 75 cm |
Answer» B. 45 cm |
176. |
A vehicle while passing from a straight to a curved path, is under the infludnce of the weight of the vehicle and the centrifugal force. |
A. | True |
B. | False |
Answer» A. True |
177. |
The number of vehicles passing at a point on the highway in unit time is known as |
A. | traffic capacity |
B. | traffic volume |
C. | traffic density |
D. | all of these |
Answer» A. traffic capacity |
178. |
Tie bars in longitudinal joints in concrete pavements |
A. | ensure firm contact between slab faces |
B. | prevent abutting slabs from separating along the longitudinal joint |
C. | act as load transfer devices |
D. | all of the above |
Answer» D. all of the above |
179. |
The thickness of base, in no case, whould be more than |
A. | 10 cm |
B. | 15 cm |
C. | 20 cm |
D. | 30 cm |
Answer» D. 30 cm |
180. |
The portion of a road surface, which is used by vehicular traffic, is known as |
A. | carriage-way |
B. | shoulder |
C. | express way |
D. | all of these |
Answer» A. carriage-way |
181. |
The maximum number of vehicles that can pass a given point on a lane or a roadway during one hour under the prevailing roadway and traffic conditions, is known as |
A. | basic capacity of a traffic lane |
B. | possible capacity of a traffic lane |
C. | practical capacity of a traffic lane |
D. | all of these |
Answer» B. possible capacity of a traffic lane |
182. |
The minimum thickness of the base of a flexible pavement is kept as |
A. | 5 cm |
B. | 10 cm |
C. | 15 cm |
D. | 20 cm |
Answer» B. 10 cm |
183. |
The practical capacity of a highway is |
A. | same as |
B. | less than |
C. | more than |
Answer» B. less than |
184. |
Class-3 roads are designed to carry jeeps. |
A. | True |
B. | False |
Answer» A. True |
185. |
A curve at the valley between two hills having a concave shape is called a valley curve. |
A. | Right |
B. | Wrong |
Answer» B. Wrong |
186. |
The increase in traffic volume, due to the general increase in the number of transport vehicles, from year to year, is known as |
A. | normal traffic growth |
B. | generated traffic |
C. | development traffic |
D. | existing traffic |
Answer» A. normal traffic growth |
187. |
The factor which governs the installation of signals, is |
A. | minimum vehicular volume from different streets at an intersection |
B. | minimum pedestrian volume of an intersection |
C. | need for interruption of high volume continuous traffic on main street |
D. | all of the above |
Answer» D. all of the above |
188. |
Transverse contraction joints relieve |
A. | compressive |
B. | tensile |
C. | shear |
Answer» B. tensile |
189. |
According to I.R.C. recommendations, the absolute minimum radius of curve for safe operation for a design speed of 100 kmph is |
A. | 100 m |
B. | 200 m |
C. | 300 m |
D. | 400 m |
Answer» D. 400 m |
190. |
Class-5 roads are designed to carry 3-tonne vehicles. |
A. | Yes |
B. | No |
Answer» B. No |
191. |
Exceptional gradient should not be provided in a length more than |
A. | 10 m |
B. | 20 m |
C. | 50 m |
D. | 100 m |
Answer» D. 100 m |
192. |
The depth of relinforcement, below the surface of pavement, is kept as |
A. | 25 mm |
B. | 50 mm |
C. | 75 mm |
Answer» B. 50 mm |
193. |
The design capacity is also known as |
A. | basic capacity |
B. | theoretical capacity |
C. | practical capacity |
D. | possible capacity |
Answer» C. practical capacity |
194. |
A cement concrete road is an example of semi-rigid pavement. |
A. | Yes |
B. | No |
Answer» B. No |
195. |
Which of the following statement is correct? |
A. | Seasonal cycle of traffic volume during April and November is usually near the annual average. |
B. | Mid-summer seasonal cycle of traffic is the least of traffic volume. |
C. | Mid-winter seasonal cycle of traffic is the highest of traffic volume. |
D. | all of the above |
Answer» A. Seasonal cycle of traffic volume during April and November is usually near the annual average. |
196. |
Which of the following statement is correct? |
A. | The amount of camber depends upon the rainfall of that area in which the road is to be constructed. |
B. | The steeper the camber of road, the more inconvenient it is for the traffic. |
C. | On a pavement with parabolic camber, the angle of inclination of the vehicles will be more at the edges. |
D. | all of the above |
Answer» D. all of the above |
197. |
The overall width of a 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 area |
D. | height of the tunnels along the highway |
E. | Both (a) and (b) |
Answer» E. Both (a) and (b) |
198. |
Formation width on curves of motorable road carrying a total load above 400 tonnes per day is kept as |
A. | 4 m |
B. | 5 m |
C. | 7.25 m |
D. | 11 m |
Answer» D. 11 m |
199. |
Plastic cracks due to shrinkage are developed immediately after the concrete starts hardening. |
A. | Correct |
B. | Incorrect |
Answer» A. Correct |
200. |
The length of the vehicles does not effect the widths of shoulders. |
A. | Correct |
B. | Incorrect |
Answer» B. Incorrect |
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