已选分类
工学林业工程
1结构推理basal area
2结构推理Timberharvesting
3结构推理Functionalities of SMZs
4单选题Skidder type Classified by the ways of holding logs as either ______. A. Truck, Grapple, or Clam-bunk B. Cable, Forwarder, or lorry C. Cable, Grapple, or Clam-bunk
5单选题Which of the following skidding machine is the least expensive skidding machine to own and operate? ______ A. Grapple skidder B. Clam-bunk skidder C. Cable skidder
6单选题At a standard lumber mill, the first grading choice for hardwood is the ______. A. Factory Class B. Veneer Class C. Sawlog Class
7结构推理SMH
8结构推理Delimbing
9单选题If the timber has been purchased on a lump-sum basis, inattention to bucking decisions can create large financial losses to ______. When timber has been purchased on a (per unit of volume) harvested basis, the losses associated with miss cut logs are bome by the ______. A. timber buyer, landowner B. landowner, timber buyer C. forest manager, logger
10单选题Timber harvesting is the end of ______ of a forest in terms of timber production, and also the start of ______. A. timber production, forest management B. next generation, growing cycle C. growing cycle, next generation
11结构推理What is bucking and factors Affecting the bucking operations
12单选题Among the three time study methods, ______ are (is) statistical based procedure(s). A. work sampling and elemental time study methods B. gross time study and work sampling methods C. only elemental time study method
13结构推理Productive Machine Hours
14单选题Timber harvest can affect the hydrology of a site, especially the ______. A. turbidity, quality, and the timing of water within or from the watershed B. quantity, quality, and the timing of water within or from the watershed C. quantity, quality, and sediment
15单选题Diameter at breast height is usually measured at ______ above ground level. A. 1.5m B. 1.4m C. 1.3m
16结构推理Process for comprenhensive harvesting planning.
17结构推理Cable yarding
18单选题At a standard lumber mill, the first grading choice for softwood is the ______. A. Factory Class B. Veneer Class C. Sawlog Class
19单选题The first step in harvesting a timber is ______. A. Delimbing B. Felling C. Bucking
20单选题Low pressure tires have ______. potential for compaction than high pressure tires. A. higher B. lower C. similar