A. 3.7 years
B. 4.23 years
C. 5 years
D. 7.87 years
Related Mcqs:
- A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will________________?
A. reduce by 200 kg
B. increase by 200 kg
C. increase by 250 kg
D. reduce by 250 kg - 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_______________?
A. 10000 kg
B. 12500 kg
C. 22500 kg
D. 5000 kg - The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________?
A. 3425 kg
B. 5515 kg
C. 4350 kg
D. 2975 kg - 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 - A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be________________?
A. Rs.1740
B. Rs.3480
C. Rs.5220
D. Rs.6960 - An excavator costs Rs. 20,00,000/- and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is__________________?
A. Rs. 8,43,750/-
B. Rs. 8,75,000/-
C. Rs. 10,50,000/-
D. Rs. 11,56,250/- - The original cost of an equipment is Rs.10,000/-. Its salvage value at the end of its total useful life of five years is Rs. 1,000/-. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be________________?
A. Rs. 8,800/-
B. Rs. 7,600/-
C. Rs. 6,400/-
D. Rs. 5,000/- - 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/-
B. Rs. 5,75,000/-
C. Rs. 6,50,000/-
D. Rs. 8,50,000/- - Consider the following statements for a power shovel?
(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 - Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased_______________?
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
