Gamma ray log is a popular search in well logging in oil industry. Give information about Gamma ray log in detail which will help petroleum engineers in decision making? (Principle, measurement, responses, application, decision making information – each carries one mark)

A. Compare and contrast the following: design period, return period, design life.

B .What return period is required in the design of a drain in order to carry 10% risk of flooding in the next 3 years? How does the risk in this design vary as the return period is increased (answer both qualitatively (i.e., conceptually) and quantitatively (i.e., mathematically)? How does the risk vary as the recurrence interval is increased (answer both qualitatively and quantitatively)?

C. Define the time of concentration as used by water resource engineers/city managers. Explain/describe how it can be used in the design of a bridge.

2. Given a chance to give a lecture on ‘Acoustics’ in class, what are the ten different important terms / topics you would like to teach in Acoustics? Make a report of your own lecture-notes with those terms giving clear explanations and including pictures /sketches / diagrams /tables. (This is a research based critical thinking question and marks will depend upon your creative and innovative

presentation of notes)   

QUESTION 6

(written in own words.)

a) What is the difference between the physical soil formed and chemical soil formed weathering ? Also explain different types of soil with explain its formation ? ( 4 marks )

b) Define briefly consistency of soil showing a neat sketch of the different soil states and explain Atterberg limits and consistency indices. ( 4 marks )

Why should a project manager in charge of a medium rise building project make a comparison of the costs associated with the risk, both to mitigate the risk and the cost if the risk presents itself

What are 3main reasons that project managers engaged on building and construction projects delegate out specific finacial control tasks to others

A −2.60% grade meets a +1.70% grade at station 44+25 and elevation 3386.96 ftft, 305-ftft curve, stakeout at half stations.

Tabulate station elevations for an equal-tangent parabolic curve for the data given above.

Express your answers, separated by commas, to six significant figures from lowest to highest elevation.

I am an enginnering student and I have been given an assignment on how to model a stormwater management system.

Can you please provide me with some help and the steps necessary to complete the assignment

A simple example of a drawing would be much appreciated.

I have all information on porosity and permeability of the materials through which the rainwater will pass through.

State also any assumption that can be made to facilitate this task.

1-A building requires a 100-foot long by 83-foot wide by 5-inch thick concrete slab. Using a waste factor of 10 %, Include calculations. a)determine the number of cubic yards of concrete needed to pour the slab. (2 points)

2-Determine the number of rolls of wire mesh needed if there are 750 SF of wire per roll and 12% of waste. Include calculations. (2 points) 9 BCT 2770 Estimating Fundamentals

3-Determine the amount of rebar needed for the slab if it is reinforced with #4 rebar at 12 inches on center both ways. Assume 2 inches of cover and add 10% for lap and waste. Include calculations.(11 points) Tip=Use the density method

4-Determine the cost to finish the slab using a productivity of 0.011 labor hours per SF and an average labor rate of $29.92 per labor hour. Include calculations.(2 points)

5-A vapor barrier is to be placed below the slab. Determine the number of 10-foot by 100-foot rolls of vapor barrier needed. The vapor barrier needs to be lapped one foot. Hint: Subtract the lap from the width of the roll. Include calculations. (2 points)

write a informations about (Slenderness effects for concrete columns in sway frame _ moment magnification method)?

Note:i want many of informations about this.

1. What is the name of the stage of "being less than potential absorption"?

   	a.	Saturated Surface Dry
   	b.	Air dry
   	c.	Oven dry
   	d.	Damp

1 points   

QUESTION 2

1. Fine aggregates are particles that . . .

   	a.	are all of these items
   	b.	completely pass through a 3/8 inch (9.5 mm) sieve.
   	c.	are created from crushing stone.
   	d.	are made of natural sands.

1 points   

QUESTION 3

1. The amount of Fine Aggregate passing the #50 and the #100 sieves will affect . . .

   	a.	strength of the concrete
   	b.	workability and bleeding of the concrete
   	c.	the durability of the concrete.
   	d.	color of the concrete

1 points   

QUESTION 4

1. New concrete made from recycled aggregate, as compared to conventional aggregate, has all of the following properties except . . .

   	a.	some reduction in compressive strength using recycled fine aggregates only.
   	b.	dry shrinkage and creep of the concrete up to 100% lower.
   	c.	equal or better freeze-thaw resistance.
   	d.	good durability.

1 points   

QUESTION 5

1. Care in selecting gap-graded aggregates is not affected by . . .

   	a.	the cost of processing the material is much less than in regularly graded aggregate.
   	b.	excess fine particle sizes may have a higher water demand.
   	c.	homogenizing or segregation may be a problem.
   	d.	certain particle sizes are intentionally omitted.

1 points   

QUESTION 6

1. Aggregates used to produce insulating light-weight concrete (15 - 90 lb/cubic foot) include . . .

   	a.	sand, gravels, crushed stone, and air-cooled blast furnace slags.
   	b.	expanded shale, clay, and slates.
   	c.	barite, limonite, magnetite, ilmenite, hematite, iron and steel punchings or shot.
   	d.	pumice, scoria, vermiculite, and diatomite.

1 points   

QUESTION 7

1. A factor that does not increase acid or corrosive resistance of a fresh mixed concrete is . . .

   	a.	a low permeability.
   	b.	a low-to-moderate cement content.
   	c.	a low water-cement ratio.
   	d.	a protective coating.

1 points   

QUESTION 8

1. Natural aggregates are . . .

   	a.	dug or dredged from a pit, river, lake or seabed.
   	b.	created by screening and washing large quantities of mined material for needed sizes.
   	c.	created by crushing large rock, boulders or cobbles
   	d.	created by crushing recycled pavements and other concrete materials.

1 points   

QUESTION 9

1. The larger the value of the fineness modulus, the . . .

   	a.	ratio has nothing to do with aggregate size.
   	b.	finer the aggregate size.
   	c.	ratio must be a value less than 2.3 for best concrete results.
   	d.	coarser the aggregate size.

1 points   

QUESTION 10

1. Aggregates used to produce fresh-mixed normal-weight concrete (140 - 150 lb/cubic foot) include . . .

   	a.	sand, gravels, crushed stone, and air-cooled blast furnace slags.
   	b.	expanded shale, clay, and slates.
   	c.	barite, limonite, magnetite, ilmenite, hematite, iron and steel punchings or shot.
   	d.	pumice, scoria, vermiculite, and diatomite.

the engineers wants to check the strength of hollow rectangular section of size 20 cm X 24 cm and 16 cm X 20 cm. For that purpose how will you help the engineers in finding the strength by using its moment of inertia, polar moment of inertia and radius of gyration?                                                                                                                          
                                                                                                       

If the flow ratios for the lane groups NBLT, SBLT, NB, SB, EB, and WB are 0.19, 0.16, 0.30, 0.28,0.30, and 0.26, respectively, do we need an overlap phase, yes or no?

What is “average speed” we use in the relationship where flow is density times speed?

a. time mean speed

b. space mean speed

What types of locomotive works best for urban transit system?

a. diesel-locmotive

b. diesel-electric locomotives

c. electric locomotives

d. steam locomotives