engineering economics, Civil Engineering

Assignment Help:
Ask quA contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum size shovel that will excavate 450,000 bcy of common earth in a minimum of 120 working days of 10 hr each. The average height of excavation will be 18 ft, and the average angle of swing will be 80 degrees. The 3-cy shovel has a maximum digging height of 30 ft and the 5-cy machine;s maximum digging height is 34 ft. The efficiency factor will be a 50-min hour. Appropriate-size units can be used with either shovel. How many days will it require to complete the work? (5-cy machine, 105 days to complete
estion #Minimum 100 words accepted#

Related Discussions:- engineering economics

Define installation of pot bearings, Define Installation of Pot Bearings? ...

Define Installation of Pot Bearings? In a sliding POT bearing, positive fixing to the main structure may not be required if the bearing is always subjected to adequate vertical

Acetylene gas cylinder for gas welding, Q. Acetylene gas cylinder for gas w...

Q. Acetylene gas cylinder for gas welding to be erected in upright position Acetylene gas is normally used for gas welding due to its simplicity in production and transportati

Longitudinal steel – an enhancement of shear strength, Q. Longitudinal stee...

Q. Longitudinal steel – an enhancement of shear strength ? Furthermore to shear resistance provided by shear reinforcement, shear forces in a concrete section is also resisted

Compute the stresses at top and bottom fibres, Compute the stresses at top ...

Compute the stresses at top and bottom fibres in a simply supported pre-stressed concrete beam with a rectangular cross section, 200 mm wide and 400 mm deep at sections A-A, B-B an

Theories of failure - cases of solids, Theories of Failure - cases of solid...

Theories of Failure - cases of solids: Let us now consider the solid shown in Figure (b). (a)        As the principal stresses are within 260 MPa, the solid is safe ac

Reason in checking the ratio, Reason in checking the ratio (i.e. design flo...

Reason in checking the ratio (i.e. design flow to full-bore flow > 0.5) in circular pipe design For checking of self-cleansing velocity for pipes, there is another criterion t

Show the excessive movement joints in bridges, Q. Show the Excessive moveme...

Q. Show the Excessive movement joints in bridges? Movement joints are generally added to bridge structures to accommodate movements because of dimensional changes arising from

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd