A. Moist loam
B. Good common earth
C. We|l blasted rock
D. Wet sticky clay
Related Mcqs:
- 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 - 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 - A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be________________?
A. 3.7 years
B. 4.23 years
C. 5 years
D. 7.87 years - 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_________________?
A. equal to X
B. more than X
C. less than X
D. any of the above - For a given size of bucket, the ideal output of a dragline will be least in_______________?
A. Moist loam
B. Sand and gravel
C. Good common earth
D. Wet sticky clay - 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_________________?
A. 500 cum
B. 1000 cum
C. 1500 cum
D. 2000 cum - Which of the following is a weakness of bar chart ?
A. interdependencies of activities
B. project progress
C. uncertainties
D. all of the above - Which of the following does not represent an activity?
A. site located
B. foundation is being dug
C. the office area is being cleaned
D. the invitations are being sent - Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
A. Concrete
B. Loose sand
C. Asphalt
D. Firm earth - Which of the following earth moving machines has the shortest cycle time?
A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel
