Highway Engineering

171) The maximum allowable Los Angeles abrasion value for high quality surface course is

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30%

172) Which of the following represents hardest grade of bitumen?

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30/40

173) The method of design of flexible pavement as recommended by IRC is

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CBR method

174) Flexible pavement distribute the wheel

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through a set of layers to the subgrade

175) Main drawback of CBR method is that it

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gives the total thickness which remains the same irrespective of the quality of materials used in the component layers

176) The maximum spacing of contraction joints in rigid pavements is

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4.5 m

177) The maximum thickness joint in rigid pavements is

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25 mm

178) Maximum daily traffic capacity of bituminous pavements is

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1500 tonnes per day

179) When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is

Discuss in Comment

tack coat

180) The suitable surfacing material for a bridge deck slab is

Discuss in Comment

mastic asphalt

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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