Chapter 1

Question 1

It is important that the ______ _______ read and understand project specifications.

Answer 1

Finisher Foreman

Question 2

If the crew can place and finish 100 yd^3 of concrete per hour, the producer’s delivery rate should be about _____yd^3 per hour

Answer 2

100

Question 3

Concrete is sold by the ton. T or F?

Answer 3

False

Question 4

Delays in discharging concrete trucks can result in the concrete being hard to:
A. pump
B. place
C. finish
D. pump, place and finish

Answer 4

D. pump, place and finish

Question 5

Inch/Pound:
For a concrete floor slab that is 6in thick, 200ft long and 100ft wide you should order_____yd^3 of concrete, assuming a 10% waste factor.

Answer 5

407cy

Question 6

When there is room for 2 concrete trucks to discharge into a pump hopper, placement is faster because:
A. both trucks must be discharging at same rate to keep the hopper full.
B. as one truck is finishing, the other is ready to unload concrete.
C. one driver can discharge both trucks at the same time.
D. the pump operator can discharge both tucks so drivers can take a break.

Answer 6

B. as one truck is finishing, the other is ready to unload concrete.

Question 7

Concrete from a ready mix truck mst usually be completely discharged within _____ hours after water has been added at the plant.

Answer 7

1.5hrs

Question 8

You can tell when water was added to the concrete truck by looking at the:
A. batch ticket
B. revolution counter on the truck
C. truck number
D. time the concrete was ordered

Answer 8

A. batch ticket

Question 9

When concrete for a slab placement will be discharged from the truck chute, truck arrivals should be spaced at about:
A. 5 mins
B. 15 mins
C. 45 mins
D. 90 mins

Answer 9

B. 15 mins

Question 10

When finishers get behind because the concrete is setting faster than expected and the placing crew is also shorthanded, one solution is slowing the concrete delivery rate to match worker output. T or F?

Answer 10

True

Question 11

In deciding how much concrete to order for a floor placement, you should calculate the number of cubic yards needed to fill the forms, then order 2 to 3 cubic yards less so you don’t waste concrete that is not needed. T or F?

Answer 11

False

Question 12

The question, “What finisher or finishers can request addition of water to the concrete truck on site?” should be answered at the ______ ______.

Answer 12

Preconstruction Meeting