Civil Engineering MCQs

Page No. 128

The probability of completion of any activity within its expected time is_________________?


a50%


b84.1%


c 99.9%


d100%


View Answer 50%

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 ?


a Rs. 31050


b Rs. 34500


c Rs. 37950


d Rs. 50000


View Answer Rs. 31050

A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels : 25000 kg Scraper wheels : 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is_______________?


a10000 kg


b12500 kg


c 22500 kg


d5000 kg


View Answer 12500 kg

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__________________?


a 30 kg


b 300 kg


c900 kg


d1000 kg


View Answer 900 kg

Rolling resistance of a wheel depends upon_____________? 0 (i) Vehicle load (ii) Grade (iii) Ground select the correct statements?


a only (i) is correct


b (i) and (ii) are correct


c(i) and (iii) are correct


d (ii) and (iii) are correct



If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is_________________?


a500 cum


b1000 cum


c1500 cum


d2000 cum


View Answer 500 cum

A machine is purchased for Rs. 10,000,00/- and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000/-. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is__________________?


a Rs. 4,75,000/-


bRs. 5,75,000/-


c Rs. 6,50,000/-


d Rs. 8,50,000/-


View Answer Rs. 5,75,000/-

If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be_________________?


aequal to X


bmore than X


c less than X


dany of the above


View Answer less than X

Consider the following statements for a power shovel? 0 (i) Output can be increased by reducing the angle of swing for a given depth of cut (ii) For a given angle of swing, output will be maximum at optimum depth of cut (iii) Output can be increased by keeping the depth of cut less than optimum depth (iv) Output can be increased by increasing the size of shovel select the correct statements?


a (ii), (iii) and (iv) are correct


b(i), (ii) and (iv) are correct


c(i), (iii) and (iv) are correct


d (i) and (iv) are correct



For which of the following materials, the output of power shovels for a fixed shovel size will be maximum_______________?


aMoist loam


bGood common earth


cWe|l blasted rock


dWet sticky clay


View Answer Moist loam

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