1. In evaluating soil, if the thumb penetrates no further than the length of the thumbnail, it is probably __________.
a. type A soil
b. type B soil
c. type C soil
d. layered geological strata
2. Which of the following is NOT a specification for a limited access zone during masonry wall construction?
a. On the unscaffolded side of the wall
b. Established prior to the start of construction
c. Equal in width to one-half the height of the wall
d. 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?
a. 10 feet
b. 15 feet
c. 20 feet
d. 25 eet
4. Hardware used in the lifting precast concrete must be capable of supporting __________ times the intended load applied or transmitted.
a. 6
b. 5
c. 4
d. 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?
a. 10 feet
b. 15 feet
c. 20 feet
d. 25 feet