Compare the effectiveness of the zinc coating with a typical

Assignment Help Civil Engineering
Reference no: EM13542325

Problem 1:

a) Zinc is often used as a coating on steel reinforcement. Explain two ways in which the zinc coating can protect the reinforcement. What would happen if the coating was nicked.

b) Compare the effectiveness of the zinc coating with a typical epoxy coating on reinforcement. How does the epoxy coating protect reinforcement and what happens if the coating is nicked.

Problem 2:

Rank the following materials based on their ability to act as a sacrificial anode on iron. Should any of the materials not be used?

Potassium

Aluminum

Zinc

Lead

Platinum

Reference no: EM13542325

Questions Cloud

Calculate the molar flow rate for each component in each : The fermenter stream you saw for the last problem is to be separated by distillation as shown below. Its composition is 85.0 mol % water (H2O, MW = 18.01), 10.0 mole % ethanol (C2H5OH, MW = 46.07), and 5.0 mol % sucrose (C6H12O6, MW =180.16). Its tot..
What is the length of consecutive wet days that has : During the rainy season in a tropical country, the probability of a day being dry is 0.10. A dry day is defined as one without significant rainfall. Assuming that the number of days until the next dry day is geometrically distributed.
What is the probability that one can travel to city three : There are two ways to get from City One to City Three, (a) directly or (b) via City Two. Let A be the event that the road from City One to Three is open. Similarly, B is for City One to Two and C is for City Two to Three. If snow is forecast for the ..
Calculate the viscous drag force on this plate : An engineer is designing a horizontal, rectangular conduit that will be part of a system that allows fish to bypass a damn. Inside the conduit a flow of water at 40 F will be divided
Compare the effectiveness of the zinc coating with a typical : Compare the effectiveness of the zinc coating with a typical epoxy coating on reinforcement. How does the epoxy coating protect reinforcement and what happens if the coating is nicked.
Consecutive wet days with a probability of occurence : During the rainy season in a tropical country, the probability of a day being dry is 0.10. A dry day is defined as one without significant rainfall. Assuming that the number of days until the next dry
What are the specifications need to be specified while creat : What are the specifications need to be specified while creating a design for waterways?what are their uses?how are they maintained?
Find the total head loss if the flow velocity : Water at 72 degress Fahreneit flows through a 110-ft-long, 5-in-diameter wrought-iron pipe that contains the following fittings: one open globe valve, one medium-radius elbow
Find the flow rate and the pressure head at the base of : An 8-in-diameter pipeline (f=0.028) 500 ft long discharges a 3-in-diameter water jet into the atmosphere at a point that is 250 ft below the water surface at intake.

Reviews

Write a Review

 

Civil Engineering Questions & Answers

  Find what is the minimum distance from the stalled car

The road is in good condition and is initially dry, but it becomes wet 160 ft before the stalled car (and stays wet until the car is reached). What is the minimum distance from the stalled car at which the driver could apply the brakes and still s..

  What is ma the moment that tends to twist the telephone

An old wooden telephone pole with a single cross member was blown off center during a recent storm. To temporarily stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring stake anchored in t..

  Maximum height of its centre of gravity

If a mass of 500kg is placed centrally on the top face of the buoy, find the maximum height of its centre of gravity above the bottom of the buoy so that the buoy may remain in stable equilibrium.

  What is the discharge through the pipe for water temperature

A fire hydrant is supplied through a 6 inch cast iron pipe of 16,000 feet length. The total drop in pressure is limited to 35 psi. What is the discharge through the pipe for a water temperature of 80°F ((kinematic viscosity) = 0.93 × 10-5 ft2/sec)

  Draw a mohrs circle and solve for max shear forces

You are given a mohrs circle with 10 kPa (assume positve since geotech question) in compression for sigmaz and 2 kPa (+ counterclockwise) force for shear z. This force lies on a plane 15 degrees CW.

  Ddetermine the tension of each cable above the incline

two cars, connected by a cable, are winched up an incline using a second cable. the incline makes an angle of 25 degrees with the horizontal, and the winch rises another 30 degrees above the incline.

  Determine a composite scs runoff curve number

Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.

  What is the true horizontal length of a recorded distance ab

A 100-ft steel tape of cross-sectional area 0.0025 in^2, weight 2.3 lb, and standardized at 68 degrees F is 99.992 ft between end marks when supported throughout under a 12-lb pull.

  Calculate the water pressure and velocity on the top floor

Water at a pressure of 13 atm, at street level, flows into a building at 3m/s through a 6 cm diameter pipe. The pipe tapers down to a 2 cm diameter by the top floor 50 m above.

  What is the stress along the top edge and the bottom edge

A horizontal pre-stressing force of 500kN is applied to rectangler beam. the beam has a depth of 500mm and a width of 250mm. the force is applied at a distance of 80mm below the x-x axis.

  Coefficient of static friction between pacakges

The belt starts from rest at time t=0 and its speed increases at a constant rate of 150mm/s^2. Knowing that the coefficient of static friction between the pacakges..

  What value for fy are two forces perpendicular to each other

what value for Fy are the two forces F1=4i+Fyj+20K(N) and F2=8i-5j+7k(N) perpendicular to each other

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