Engineering - Civil Enginnering
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55. | Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle? |
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56. | If the gross vehicle weight of a truck is 30 t and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is |
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57. | The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to |
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58. | A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: |
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59. | A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be |
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60. | An earth moving equipment costs Rs. 5,00,000/- and has an estimated life of 10 years and a salvage value of Rs. 50,000/-.What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069 ? |
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