McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 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 | |
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