One way that an engineers scale differs from an architectural scale is that the engineers scale _____.
a. uses fractional values
b. is based on units of 10
c. cannot be used to scale long distances
d. is only used for drawings of machinery
Question 2
Most hammer drills will not hammer until pressure is _____.
a. released from the powder charge
b. reached in the hydraulic cylinder
c. detected at the trigger lock
d. applied to the drill bit