A carpenter can set wall line square using the level and circle scale. (True or false?)

A carpenter can set wall line square using the level and circle scale.
 
  Indicate whether the statement is true or false

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[Ques. 2] What is the typical soil depth for a residential live roof system?
 
  A) 4 to 8 B) 2 to 6 C) 1 to 2 D) 2 to 4

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[Ques. 3] A transit-level is capable of tilting ________ degrees up or down.
 
  A) 0 B) 45 C) 30 D) 90

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[Ques. 4] Which roof design style is often called a barn style and is a variation of the common gable roof?
 
  A) Gambrel roof B) Shed roof C) Hip roof D) Mansard roof

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[Ques. 5] Rotating the level a full 360 degrees, checking to make sure the bulb in the leveling vial remains centered at all locations is the ________ step in setting up and leveling a builder's level or transit level, according to the text.
 
  A) 4th B) 2nd C) 3rd D) 5th