42) For a given size of bucket, the ideal output of a dragline will be least in

Moist loam

Sand and gravel

Good common earth

Wet sticky clay

Answer is:

Wet sticky clay

Structural Engineering II MCQ with Answers

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43) 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. Of these statements

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

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

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

(i) and (iv) are correct

Answer is:

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

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.

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

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42) For a given size of bucket, the ideal output of a dragline will be least in

Wet sticky clay

Structural Engineering II MCQ with Answers

Related Structural Engineering II MCQ with Answers

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

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.

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

Structural Engineering II MCQ with Answers