McqMate
Q. |
are usually mounted on two or four pneumatic tyred wheels. |
A. | scraper |
B. | backactor |
C. | elevator |
D. | escalator |
Answer» A. scraper | |
Explanation: an apron is provided in front of the container which opens and close in order to regulate the flow of earth in and out of the container. scrapers are capable of producing a very smooth and accurate formation level. |
View all MCQs in
Estimation, Costing and Valuation EngineeringNo comments yet