G5

Question 1

What is a dowl?

Answer 1

short peice of steel used to connect two separate sections

Question 2

How are L shaped anchor bolts placed when great accuracy is not needed?

Answer 2

stick in concrete after placement but before it sets (wet set)

Question 3

What material is most bolt templates made of?

Answer 3

3/4 inch ply

Question 4

What kind of forms used with dowels?

Answer 4

slab edge

Question 5

what’s done to ensure uniform contact between the base of a machine and it’s concrete footing?

Answer 5

grouting

Question 6

How can you protect anchor bolt threads during placement

Answer 6

wrap in tape or cover with heavy duty grease

Question 7

What type of drawings used to find the exact location of machine bases bolts?

Answer 7

shop drawings

Question 8

describe how-to make an expansion joint in a slab

Answer 8

smooth dowel in first, pour 1st, strip, fibre board , grease dowel, use expansion cap, pour 2nd

Question 9

How are templates for anchor bolts positioned?

Answer 9

stringlines and gridlines

Question 10

whats used to fasten pre cast concrete members together?

Answer 10

welding

Question 11

list 2 types of inserts

Answer 11

tee bar and loop inserts

Question 12

What 2 functions do anchor bolts provide?

Answer 12

holds building down and supports lateral movement

Question 13

What kind of regret requires no cocking ?

Answer 13

pvc

Question 14

What materials are manufactured reglets made from?

Answer 14

pvc &and metal

Question 15

How are sewer covers held in place during concrete placement?

Answer 15

Held down by its own weight

Question 16

why are trough forms held down with ballast?

Answer 16

to prevent the form from floating

Question 17

How are trough forms held in position during concrete placement

Answer 17

ballast supported on brick and tied down or staked

Question 18

What are sewer access covers and grates usually made from

Answer 18

cast iron

Question 19

What material is used to shim manhole covers to elevation

Answer 19

metal shims

Question 20

What are two methods of installing dock levelers?

Answer 20

pit mounted or cast in place

Question 21

What can be done to support the forms from floating as the concrete is being placed

Answer 21

must be braced or weighted down

Question 22

How are the forms held in place horizontally?

Answer 22

anchor the horizontal member by anchoring it to rebar with tie wire

Question 23

what’s used to support the end of the conduit at the dock leveler?

Answer 23

templates

Question 24

list 4 things to check prior to pouring concrete

Answer 24

level, square, to the right height, built in the right location

Question 25

what type of anchor is used with a lag bolt?

Answer 25

expansion screws

Question 26

stress plates are used to fasten __________

Answer 26

insulation

Question 27

which fastener can be used with pressure-treated lumber?

Answer 27

tapcon blue screw

Question 28

What type of glues are used with adhesive fasteners

Answer 28

epoxy

Question 29

What fastening system allows pins to be attached to steel

Answer 29

powder actuated

Question 30

what’s the main property of steel and concrete that allows steel to be used to reinforce concrete

Answer 30

similar coefficient or expansion

Question 31

the compressive strength of concrete is about _________ times it’s tensile strength

Answer 31

10 times

Question 32

what’s the size of 10M bar?

Answer 32

10mm in diameter

Question 33

What name describes a grade 60 bar?

Answer 33

hard bar or hard rebar

Question 34

What type of construction uses welded wire mesh for reinforcing concrete?

Answer 34

slab on grade

Question 35

welded wire mesh is available in 6100mm long or rolls 61000 long. How wide is it?

Answer 35

7’ or 2288mm

Question 36

in the description 254 x 254 x P13/P13 , what does P13 mean ?

Answer 36

the cross sectional area of the end of the wires will be 13mm

Question 37

What does yield mean, as applied to reinforcing steel?

Answer 37

referring to the tensile strength or it’s bending point

Question 38

list two types of waterstop

Answer 38

plain/dumbell and serrated

Question 39

What pressures are waterstop designed to resist?

Answer 39

hydrostatic pressure

Question 40

in what types of construction are waterstop used?

Answer 40

water tanks, sewage treatments, hydrolic structures

Question 41

list three properties that all waterstops must have

Answer 41

waterproof, flexible, should be continuous around what you want to seal

Question 42

what’s the widest waterstop that can be used for a 300mm wall

Answer 42

300mm

Question 43

what’s the narrowest waterstop that can be used with concrete that has a max aggregate size of 30mm

Answer 43

6x30=180mm

Question 44

what’s the most common type of doorjamb used in a concrete wall?

Answer 44

metal

Question 45

wooden door Jamba are usually cast in place with __________ attached.

Answer 45

a reverse key attached

Question 46

what’s added if door Jambs are not snug to both sides of the form

Answer 46

wood filler strips

Question 47

how’s a metal door frame secured in an existing masonry opening?

Answer 47

hollow or solid fasteners

Question 48

What keeps a door frame from moving before bricks or blocks are placed around it?

Answer 48

it’s braced

Question 49

what’s to be done to keep concrete from leaking through the metal frame

Answer 49

use rubber stops