Masonry level one module 28105-13 exam with 100% correct answers

The amount of surface are on an uncored block that has holes extending through it is equal to less than ____. A) 10 percent B) 15 percent C) 20 percent D) 25 percent D) 25 percent As specified by ACI 530/ASCE 5/TMS 402, Building Code Requirements for Masonry Structures, the thickness of a mortar joint cannot exceed ____. A) 3/8 inch B) 1/2 inch C) 3/4 inch D) 1 inch C) 3/4 inch The term used to describe applying mortar to block is ___. A) placing B) weeping C) jointing D) buttering D) buttering The main difference between the procedures for laying block and brick outside-corner leads is that ____. A) the steps are reversed B) block requires a different mortar spreading technique C) the setting time for the mortar is longer for block D) block must first be thoroughly dried B) block requires a different mortar spreading technique At the end of the workday, stand scaffold boards on edge with the clean side of the board toward the wall in order to ___. A) allow rain to wash dirt and mortar off the boards B) keep trespassers off the scaffold C) prevent rain from splashing dirt and mortar onto the wall D) make cleanup easier the following day C) prevent rain from splashing dirt and mortar onto the wall Holes are formed into cored brick to ____. A) make it easier to grasp B) reduce weight C) decrease drying time after wetting D) speed up bonding B) reduce weight Buttering a brick before placing it in a wall is referred to as ___. A) laying in place B) jointing C) laying forward D) facing C) laying forward The most effective way of holding a brick is ___. A) vertically B) jointing C) laying forward D) facing C) laying forward Once the latest brick has been placed, align it with ____. A) the brick next to it and below it B) the brick above it C) a level D) a straightedge A) the brick next to it and below it Before cutting a concrete masonry unit, the line on which the cut will be made must be ____. A) mortised B) scored C) beveled D) scribed B) scored A disadvantage to using a power saw to dry-cut block or brick is ____. A) slow cutting speed B) the need to irrigate the blade C) clouds of dust D) a rough-finished cut C) clouds of dust The two methods of masonry saws available are ___. A) freestanding and portable B) large and small C) wet and dry D) concrete and brick A) freestanding and portable Anchors used with brick veeners are attached to ___. A) wall sheathing B) reinforcement bars C) sill plates D) structural backing D) structural backing Cracking in brick construction is caused by ____. A) expansion B) lack of reinforcement C) contraction D) high humidity A) expansion Flashing is used in masonry construction to ____. A) control expansion cracking B) seal mortar joint surfaces C) connect wythes in a cavity wall D) allow moisture in a wall to exit through a weep system D) allow moisture in a wall to exit through a weep system