• · Identify the role of each of the following components of a solid waste management system: 1) collection, 2) transfer stations, 3) recycling, 4) composting, 5) landfills, 6) landfill closure.
• · What is the hierarchy of the integrated solid waste management practice?
• · Why recycling is important and what can be recycled?
• · Sketch a Subtitle D municipal waste landfill. How a Subtitle D landfill is different from a bioreactor that is operated at the Columbia landfill facilities?
• · Sketch a hazardous waste landfill. Identify the components.
• · Explain why emergency response personnel need training in identification of, and proper
• · What law requires that businesses and industries identify hazardous materials on their property to emergency response agencies?

1. The turbine of a hydrostatic plant is driven by a falling head of water from a falling head of water from a source 30 m high up through a 600 mm penstock flowing full.
A. Evaluate the theoretical velocity of water as it hits the turbine blades in m/sec.
B. Evaluate the theoretical discharge of water in m³/s.
C.If the turbine is only 70% efficient, estimate the horsepower available from it..

2. Reservoir A supplies water to a nozzle having a diameter of 80 mm which is discharge water 40 m below the reservoir water level at a velocity of 24m/s
A. Determine the loss of head in the pipeline.
B. Determine the horsepower produced by the jet.
C. Determine the efficiency of the nozzle.

3. The diameter of a pipe carrying water changes gradually from 150 mm at A to 450 mm at B. A is 5 m lower than B. If the pressure at A is 70 kPa and at B is 50 kPa when 150 liters/ sec is flowing.
A. Determine the direction of flow
B. Determine the frictional loss between two points

4. Reservoir A and B have elevations of 100 m and 160 m respectively. A pump is installed near reservoir A to pump the water from A to B. The rate flow in the pipe is 650 liters/sec. If the head loss in the pipeline is 8.22 m, compute the horsepower required to pump the water to B.

5. A reservoir A contains water at an elevation of 45 m and a 50 mm pipe line leads downhill from the reservoir and discharges into air at B at an elevation 0. If the loss of head between the reservoir A and B is 43.5 m compute the discharge flowing in the pipe.

6. A turbine is located at an elevation 200 m below that of the surface of the water at intake. the friction loss in the pipeline leading to it is 8 m and the turbine efficiency is 90%. What will be the power delivered by the turbine if the flow is 3 m³/ sec in kW?

7. Water is discharged through a nozzle having a diameter of jet 100 mm at a velocity of 60 m/s at a point 240 m below the reservoir.
A. Compute the total headloss.
B. Compute the horsepower produced by the jet.
C. Compute the power lost in friction.

1. A typical 2x6 stud wall is used for a bearing wall with 2x6 at 16” o.c. Determine the allowable wall load (in lb/ft) for a wall height of L = 10 ft. Assume No.2 SPF, D+L governs, internal exposure with climate control, pin-pin connections, MC<19%, T<100°F. The wall is braced against weak axis buckling at mid-height.
   
   Assume member length of L=4ft

what is the difference between human exposure to hazardous chemicals in small amounts and their exposure to microbes?

Briefly describe two biochemical transformations that occur in biological unit processes to remove colloidal or dissolved organic matter

Plot the head loss in a 500 m long 200 mm cast iron pipe for the following flow rates; 0.001, 0.01, 0.1, and 1 m3/s. Use (a) the Moody Diagram and (b) the Swamee-Jain equation to find the friction factor and (c) the Hazen-Williams Eq. Discuss why the losses are similar or different for parts a and c

briefly explain the factors affecting permeability

Select the lightest W10 section. Using Fy=50ksi and Fu= 65ksi to select trial sizes and check for Gross Section Yielding and Tensile Rupture. Assume the member is to have two lines of bolts in each flange. (use ASD method)

Pd - dead load = 225 ksi
Pl - live load = 150 ksi
L - member length = 28 ft
Bolt diameter = 7/8 in

Select the lightest W12 not W10.

Using LRFD, select a 30-ft-long W section of A992 steel with a nominal depth of 10 in (a W12) to support a tensile service dead load PD=130kand a tensile service live load PL=110k. In addition, the section is to comply with the slenderness ratio limit from AISC D1 to prevent sag of the member. As shown in the figure below, the member is to have two lines of bolts in each flange for 7/8-in bolts (at least three in a line 4-in on center).

Q No# 8

How is the maximum basic floor area of a building determined?

Q No# 11

How are the exterior wall fire-resistance rating requirements determined for buildings that are on the same lot?

Q No# 15

How are the required fire-resistance ratings of specific building elements determined?

Q No# 16

How do the two different categories of Type I construction differ in fire protection?

Q No# 17

Which characteristics are typical of a Group I occupancy?

Q No# 18

What do storage occupancy classifications have in common with those of manufacturing uses?

Q No# 19

Which occupancy groups are eligible for unlimited floor area in a one-story nonsprinklered building?

Q No# 20

Describe the difference between a through penetration and a membrane penetration.

A monolithic reinforced concrete floor is to be composed of rectangular bays measuring 6 m x 7.5 m. The floor is to designed to carry a service live load of 5 KPa, floor finish of 1.5 KPa, and ceiling load of 1 KPa, in addition to its own weight. Design the corner floor panel slab using fc’=21 MPa, fy = 400 MPa, and concrete unit weight of 23.54 KN/m3.