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66. The ‘Give way’ is ____ traffic sign provided on the road. |
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A. informatory |
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B. warning |
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C. cautionary |
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D. mandatory |
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Answer: D mandatory |
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Explanation: Stop sign and Give Way signs are mandatory signs. The stop sign is octagonal in shape and the Give Way sign has the shape of an inverted triangle. 1) Mandatory/Regulatory sign: Used to inform the road users of certain laws and regulations to provide safety and free flow to traffic. Circular in Shape 2) Warning sign or cautionary sign: Used to warn the road users at sufficient distance in advance about the impending road condition. Triangular in shape. 3) Informatory sign: Guide the road user about the routes, destination, and to provide information that makes travel easier, safe, and pleasant. Rectangular in shape. |
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67. The camber value for water bound macadam road is ___. |
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A. 2 to 2.5% |
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B. 2.5 to 3% |
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C. 1.7 to 2% |
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D. 3 to 4.0% |
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Answer: B 2.5 to 3% |
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68. Maximum superelevation allowed considering average speed as three fourth of the design speed for the plain and rolling terrain is ____. |
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A. 10 % |
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B. 20 % |
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C. 13 % |
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D. 7 % |
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Answer: D 7 % |
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69. The shape of ‘STOP’ sign according to IRC: 67-2001 is ____. |
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A. circular |
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B. triangular |
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C. rectangular |
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D. octagonal |
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Answer: D octagonal |
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70. For highway geometric design purpose, the speed used is ____. |
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A. 15th percentile |
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B. 50th percentile |
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C. 85th percentile |
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D. 98th percentile |
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Answer: D 98th percentile |
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Explanation: Minimum speed limit = 15th percentile speed Safe speed limit = 85th percentile speed Geometrical design speed = 98th percentile speed |