1. In evaluating soil, if the thumb penetrates no further than the length of the thumbnail, it is probably __________.
type A soil
type B soil
type C soil
layered geological strata
2. Which of the following is NOT a specification for a limited access zone during masonry wall construction?
On the unscaffolded side of the wall
Established prior to the start of construction
Equal in width to one-half the height of the wall
Run the entire length of the wall
3. What is the minimum required clearance when a crane is operating in the vicinity of a 150 kV power line?
10 feet
15 feet
20 feet
25 eet
4. Hardware used in the lifting precast concrete must be capable of supporting __________ times the intended load applied or transmitted.
6
5
4
2
5. For excavations that are more than 4 feet in depth, what is maximum allowable travel distance to the nearest safe means of egress?
10 feet
15 feet
20 feet
25 feet