Construction Planning and Management
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.

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

ANSWER DOWNLOAD EXAMIANS APP

Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

expected time of both activities A and B are same
expected time of activity A is greater than the expected time of activity B
None of these
expected time of activity B is greater than the expected time of activity A

ANSWER DOWNLOAD EXAMIANS APP

Construction Planning and Management
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

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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Construction Planning and Management