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The congested site only has room for 3 cranes to operate concurrently. Only 1.75 cubic yard ICY] or1.34 cubic meter [CM] concrete buckets are available. Each crane can perform up to 35 lifts per day. Assuming a total of 30 lifts per crane pet day. what is the maximum volume of concrete that could be placed using 3 small tower cranes over a 5-day period?
Suggested Answer: D
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39 comments · newest first
IZ
Izetta
11 months ago
I’m leaning towards option D, 306 CY sounds right!
MA
Mari
11 months ago
Wait, are we sure about those bucket sizes?
WA
Walker
11 months ago
5 days of that means 450 lifts!
VA
Vanda
12 months ago
I think the volume calculation is off.
NA
Naomi
12 months ago
Each crane can do 30 lifts a day, so that's 90 lifts total.
CE
Celestine
1 year ago
If each crane does 30 lifts a day, then over 5 days, that’s 150 lifts per crane. I just need to remember how to multiply that by the bucket size correctly.
LU
Luisa
1 year ago
I think the total volume is based on the number of lifts and the bucket size, but I’m a bit confused about the conversion between cubic yards and cubic meters.
DO
Dorothy
1 year ago
This seems similar to a practice question we did on crane operations, but I can't recall the exact formula we used.
LO
Louisa
1 year ago
I remember we calculated crane capacities in class, but I'm not sure how to factor in the lifts per day.
RO
Roxane
1 year ago
Alright, let's do this. Gonna work through it step-by-step and double-check my work. Feeling pretty confident I can nail this question.
AL
Alva
1 year ago
This seems doable, just need to make sure I account for all the variables and do the math correctly. Gotta stay focused on this one.
RE
Refugia
1 year ago
Okay, I think I've got the key info - 3 cranes, 30 lifts per day per crane, 1.75 CY or 1.34 CM buckets. Time to start crunching the numbers.
RO
Rolland
1 year ago
Hmm, not sure I fully understand all the units and constraints here. Might need to re-read the question a few times.
LE
Lenna
1 year ago
This looks like a pretty straightforward calculation, just need to work through the details carefully.
CH
Cherilyn
2 years ago
I think the answer is C) 201 CY, because the total lifts per crane per day is 30.
JU
Jules
2 years ago
You know, if I was the crane operator, I'd be more concerned about not knocking over the whole construction site with my mad skills. Just sayin'.
RE
Rebbecca
2 years ago
User 3: Yeah, I think so too. Safety first, especially with those mad skills!
OZ
Ozell
2 years ago
Definitely, safety should always be the top priority on a construction site.
KI
Kimbery
2 years ago
Yeah, knocking over the construction site would not be a good look for the crane operator.
LE
Lezlie
2 years ago
I think the maximum volume of concrete that could be placed is 263 CY.
RE
Ressie
2 years ago
User 2: A) 263 CY seems like the correct answer for the maximum volume of concrete that could be placed.
DE
Deeann
2 years ago
User 1: I agree, it must be tricky operating those cranes in such a congested site.
GL
Glendora
2 years ago
I agree, operating those cranes in a congested site must be challenging.
AL
Alline
2 years ago
I'm not sure, but I think the answer might be D) 306 CY.
CO
Cordie
2 years ago
I agree with Sage, because each crane can perform up to 35 lifts per day.
SH
Shawnta
2 years ago
I just hope they don't trick us with that 1.75 CY or 1.34 CM thing. That's going to be the key to solving this problem, I bet.
AU
Audry
2 years ago
D) 306 CY
KA
Karma
2 years ago
A) 263 CY
SA
Sage
2 years ago
I think the answer is A) 263 CY.
EN
Enola
2 years ago
Okay, let me think this through. 3 cranes, 30 lifts per day, 5 days... this is going to take some serious number-crunching!
MA
Marla
2 years ago
D) 306 CY
FR
Frankie
2 years ago
C) 201 CY
DI
Diane
2 years ago
B) 368 CM
EL
Elin
2 years ago
A) 263 CY
LI
Lindsey
2 years ago
Wait, are we supposed to use the cubic yard or cubic meter measurements? I'm so confused!
TA
Tammi
2 years ago
No, let's stick with cubic yard for consistency.
LE
Lettie
2 years ago
B) 368 CM
DA
Danica
2 years ago
Let's go with cubic yard measurements.
MI
Mila
2 years ago
A) 263 CY