44) 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.Select the correct answer

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

A is true but R is false.

A is false but R is true.

Answer is:

Both A and R are true and R is the correct explanation of A.

Structural Engineering II MCQ with Answers

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45) 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

equal to X

more than X

less than X

any of the above

Answer is:

less than X

46) Output of a bulldozer is (i) increased if drawbar HP of the tractor is increased for a given hauling distance (ii) decreased if drawbar HP of the tractor is increased for a given hauling distance (iii) increased if the hauling distance is increased for a given drawbar HP of the tractor (iv) decreased if the hauling distance is increased for a given drawbar HP of the tractor Of these statement

(i) and (iii) are correct

(i) and (iv) are correct

(ii) and (iii) are correct

(ii) and (iv) are correct

Answer is:

(i) and (iv) are correct

47) 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

Rs. 4,75,000/-

Rs. 5,75,000/-

Rs. 6,50,000/-

Rs. 8,50,000/-

Answer is:

Rs. 5,75,000/-

48) 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

Rs. 8,43,750/-

Rs. 8,75,000/-

Rs. 10,50,000/-

Rs. 11,56,250/-

Answer is:

Rs. 8,43,750/-

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44) 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.Select the correct answer

Both A and R are true and R is the correct explanation of A.

Structural Engineering II MCQ with Answers

Related Structural Engineering II MCQ with Answers

45) 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

less than X

(i) and (iv) are correct

47) 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

Rs. 5,75,000/-

48) 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

Rs. 8,43,750/-

Structural Engineering II MCQ with Answers