According to the International System of Units (SI) linear unit commonly used on drawings is the:
A. inch
B. millimeter
C. foot
D. meter
E. none of the above
Answer: B
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An air sonar detects the echo TOF from an object to be 10 milliseconds. The object range equals ___(x.xx) m.
Fill in the blank(s) with the appropriate word(s).
Pronghorn antelope start reproducing at the age of four
a. True b. False Indicate whether the statement is true or false
The term that describes a group of genetically similar plants that can be distinguished from other groups within the same species is:
a. crop c. selection b. cultivar d. F1 generation
A duct blaster is used:
A) To clean duct systems with high-velocity air. B) To measure the amount of air leakage in a duct system. C) To install takeoffs onto plenums using high-velocity and percussive force. D) To install duct runs in approximately half the time of conventional methods.