Structure Test#3 Wall Systems

·         Question 1

1 out of 1 points

	All of these are terms used to describe a brick EXCEPT
	Selected Answer:   captain Answers: header stretcher   captain soldier sailor

·         Question 2

1 out of 1 points

	All of these wood frame walls commonly carry floor loads EXCEPT
	Selected Answer:   2x4 on 20-inch centers Answers: 2x4 on 12-inch centers 2x4 on 16-inch centers   2x4 on 20-inch centers 2x6 on 16-inch centers 2x6 on 24-inch centers

·         Question 3

0 out of 1 points

	The bottom of wood frame walls with stucco siding should be
	Selected Answer:   at least 2 inches above grade Answers: 1 inch below grade level with the grading at least 2 inches above grade at least 6 inches above grade   at least 8 inches above grade

·         Question 4

1 out of 1 points

	Efflorescence and spalling can occur if
	Selected Answer:   the brick is too close to the grade Answers:   the brick is too close to the grade brick ties have not been installed weep holes are excessive lintels are missing building paper is missing

·         Question 5

1 out of 1 points

	Efflorescence
	Selected Answer:   is usually a cosmetic issue Answers:   is usually a cosmetic issue requires further evaluation by an engineer should never be touched needs to be removed immediately is only found on brick veneer walls

·         Question 6

1 out of 1 points

	Sheathing or building paper
	Selected Answer:   helps keep moisture out of the house Answers: acts as a vapor barrier is never used in modern construction is only used on stucco clad walls should be placed on the inner surface of the wall   helps keep moisture out of the house

·         Question 7

1 out of 1 points

	All of these are causes of brick tie failure EXCEPT
	Selected Answer:   missing header bricks Answers: ties have rusted inappropriate type of brick tie not enough ties   missing header bricks deteriorated mortar

·         Question 8

1 out of 1 points

	Veneer walls are wood frame walls with
	Selected Answer:   a single wythe of bricks Answers: a diagonal brick bond header bricks in every other row a double wythe of bricks diagonal brick with a header brick   a single wythe of bricks

·         Question 9

1 out of 1 points

	Brick veneer walls include all of these components EXCEPT
	Selected Answer:   header bricks Answers: weep holes brick ties   header bricks wood studs single wythe of bricks

·         Question 10

0 out of 1 points

	Missing mortar in masonry walls
	Selected Answer:   indicates poor construction Answers: is a major concern   should be replaced is a sign of vermin activity indicates poor construction is a normal condition requiring no action

·         Question 11

1 out of 1 points

	Mortar may deteriorate for all of these reasons EXCEPT
	Selected Answer:   excessive roof overhang Answers:   excessive roof overhang weathering poor quality mortar poor weather condition when bricks laid mortar set too long before being used

·         Question 12

1 out of 1 points

	The main cause of efflorescence is
	Selected Answer:   moisture Answers:   moisture missing paint poor brick work missing brick ties direct sunlight

·         Question 13

1 out of 1 points

	Racking of wood frame walls is caused by
	Selected Answer:   lateral forces Answers: missing brick ties   lateral forces upward forces poor workmanship downward forces

·         Question 14

1 out of 1 points

	Condensation typically occurs
	Selected Answer:   in the exterior walls Answers:   in the exterior walls only on load bearing walls due to compression when racking has taken place after brick ties have been installed on the cool side of the sheathing paper

·         Question 15

1 out of 1 points

	When cracks form at the central wall/ceiling intersection of a house in Chicago, the cause of this is generally
	Selected Answer:   roof truss uplift Answers:   roof truss uplift foundation movement missing brick ties failing lintels or arches racking

·         Question 16

1 out of 1 points

	All masonry walls, including veneer walls, require
	Selected Answer:   foundation and footings Answers: brick ties jack studs   foundation and footings header bricks weep holes

·         Question 17

0 out of 1 points

	When an exterior masonry wall is out of plumb, this usually indicates
	Selected Answer:   excessive notching in framing members Answers:   foundation movement missing brick ties excessive notching in framing members 2x4 interior wall construction wood lintels over openings

·         Question 18

1 out of 1 points

	When cracks are found in brick walls, you might advise your client any of these EXCEPT
	Selected Answer:   do not buy the house Answers: ignore the crack monitor the crack   do not buy the house repairs will be needed further evaluation is required

·         Question 19

1 out of 1 points

	Which is not a function of exterior house walls?
	Selected Answer:   support brick chimneys Answers:   support brick chimneys support roofs support other walls resist wind loads support floors

·         Question 20

1 out of 1 points

	Header bricks in masonry walls are
	Selected Answer:   turned into the wall and straddle both wythes Answers:   turned into the wall and straddle both wythes installed with their long dimension parallel to the wall surface used with brick veneer construction commonly used in chimney construction installed over windows, and oriented vertically

·         Question 21

1 out of 1 points

	Lintels in masonry walls typically have
	Selected Answer:   6 inches of full and level end bearing Answers: 4 inches of end bearing on each side 8 inches of end bearing if located above a door 5 inches of level and full end bearing 7 inches of end bearing if located over a window   6 inches of full and level end bearing

·         Question 22

1 out of 1 points

	All of these are common problems with arches and lintels EXCEPT
	Selected Answer:   racking Answers:   racking cracks poor end bearing sagging rusting

·         Question 23

1 out of 1 points

	Wood lintels above a door typically require how much end bearing?
	Selected Answer:   1 1/2 inches Answers: 1/2 inch 1 inch   1 1/2 inches 2 inches 3 inches

·         Question 24

1 out of 1 points

	The size of a lintel will depend on
	Selected Answer:   the opening width and load above Answers: the floor level on which it is located the size of the foundation wall   the opening width and load above the direction it is facing the siding material

·         Question 25

1 out of 1 points

	The function of a lintel or arch is to
	Selected Answer:   transfer the load of the wall above the opening Answers: provide support to the window or door below prevent the wall from racking reduce the potential of a wall buckling   transfer the load of the wall above the opening provide a surface the window or door can be attached to