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MADD Beer Tax. Recall the example Beer Prices and Highway Deaths, from the chapter. By what percentage must the price of beer increase to meet the MADD target?
Disregarding traction limitations, what is the maximum value of rolling resistance (in lb/ton) over which the fully loaded unit can maintain a speed of 20 mph?
If the tension in the tow cable is 15,2001b, what is the rolling resistance of the road? What type of surface would this be?
Determine the maximum rimpull of the tractor in each of the indicated gears if the engine efficiency is 92%.
What is the equivalent gain in loading force for the tractor and scraper resulting from loading the scraper downslope instead of upslope?
If tractor is operated over haul road whose slope is +2% with rolling resistance of 80 lbhon, determine the maximum external pull by the tractor in first gear.
If the average tension in the towing cable is 6,600 lb, what is the rolling resistance of the road? This would be what type of road surface?
Determine the maximum external pull the Fend has when operated in sixth gear at maximum speed.
A four-wheel tractor whose operating weight is 48,000 lb is pulled up a road whose slope is +4% at a uniform speed. What is the rolling resistance of the road?
Compute the number of drums required to provide the necessary compaction if four drum passes are specified for each layer of earth.
Determine the number of drums required to provide the necessary compaction if eight drum passes are specified for each layer of earth.
Determine the cycle time for a angle-algae scraper rated at 20 cy heaped that is used to haul material from a pit to a fill 1300 ft away under severe condition.
This werk would be classified as a henry ripping application. Using estimate of hourly production. estimate the ripping unit-production cost in dollars per bey.
Calculate the total time in weeks, based on a normal 40-hr workweek, to loosen the rock cut, and calculate the total loosening cost.
What will be the total cost of the work and how many hours will the project require? (unit cost S0A39 per bey, total cost $153.997. time with two deems 405 hr).
This is classified as fumy ripping. Using your estimate of hourly production, estimate the ripping unit-pro:ILL-dm cost in dollars Poe bey.
A contract is being bid to clear aid grub 147 eats. What is the estimated clearing and grubbing production rate for each dozer?
What is the cost associated with the total operation, including overhead, when only one 460-hp dozer is used?
Assuming a Caterpillar D8 is used, calculate the direct cost of the proposed earth moving operation in dollars per bcy.
Cutting the length of standard full-time workweek could be one way to keep people employed. Can you think of other policies that might also have this effect?
How do you think we should evaluate the economic impacts of climate change? Check short executive summary of the Stern Review on Economics of Climate change.
Do you consider yourself a technological optimist? Do you believe that natural resource constraints represent a serious threat to economic production in future?
What is the evidence regarding the performance of the Washington Consensus recommendations?
How would you balance the issue of human development with the issue of economic growth? Is growth essential for human development?
This is certainly a challenging economic market and many businesses are downsizing.