ADDITIONAL

18問 • 1年前

問題一覧

Airways:

Types of Airports: — international airport — domestic airport — military aerodomes, Types of Airfield: — flexible (bituminous) — rigid (cement concrete)

Elements of traffic engineering and traffic control:

— accident survey — origin and destination (O-D) survey — parking survey — speed and delay study — spot speed survey — traffic capacity study — traffic flow study — traffic volume study

Railways:

Categories of "" — truck routes — main line — branch line, Types of "" — surface — underground — elevated, Types of locomotives — diesel — electric

Explain hydrologic cycle:

✅

advantages and disadvantages of roadways:

advantages: — maximum flexibility for travel — it permits for any mode of road vehicle — it provides door to door service — saves time for short distance travels — construction and maintenance cost is low, disadvantages: — goods carrying capacity is low — speed is low compared ti air and waterway — less comfort and safe — uneconomical for long distance travels — number of road accidents are high

advantages and disadvantages of waterways:

advantages: — no need to construct tracks — requires cheap motive (energy) power — cheapest mode of transport — provides efficient mode of defense — help in growth of industries, disasvantages: — slow — storms can cause great loss — only useful in particular routes — maintenance cost is high — has limited connectivity

advantages and disadvantages of airways:

advantages: — do not require tracks — useful in military activities — fastest mode of transport — a powerful mean of attack — healps in aerial photography, disadvantages: — most expensive — construct cost is high for airports and aircrafts — fuel consumption is high — maintenance cost is high — accident causes high loss

advantages and disadvantages of railways:

advantages: — carrying capacity is high — speed is high compared to roadway — cheaper than airways — comfy for long distance travels — increases trade, commerce, and business, disadvantages: — not flexible — dependent on roadway — runs as per schedule — maintenance cost is high — permits definite mode of transport

Civil engineer and architect similarities:

— must have strong math and technology skills to accurate and safe construction plans — both need analytical thinking capabilities to provide cost, risk, and, and timeline estimates

Civil engineer and architect differences:

CE: manages broad range of projects A: focuses on buildings A: involved in pre-construction phases CE: oversees all phases of the construction CE: oversees workers (cm, architects, me) A: spends most their times in their office CE: desk work and direct site supervision A: only requires bachelor’s degree CE: earn advanced degrees to secure a senior position

Construction engineers and managers posses the knowledge of:

construction methods and equipments, principles of financing, planning, and management

Scope of work of geotechnical engineers:

geotechnical or geological engineers (general), geotechnical or geological engineers (soil sands projects), hydro geological engineer, reservoir geomechanics engineer (oil and gas operations), geomechanics engineer (marine operations)

Skills of an environmental engineer:

— design and operate water and wastewater treatment facilities — model and analyze surface and groundwater quality — design of soil remediation systems — plan waste disposal and reuse of water waste and sludges — manage solid waste collection, processing and disposal

Skills of an energy engineer:

— develop sustainable solutions in renewable energy and energy efficiency — apply scientific principles to address energy and sustainability challenges — analyze engineering problems using experimental, analytical, or numerical methods — consider economic, ethical, legal, and public health aspects in engineering decisions

Construction activities that contribute to air pollution include ______, ______, ______, ______, and ______

land clearing, operation of diesel engines, demolition, burning, working with toxic materials

What does a water resources engineer do?

— design and develop innovative water treatment equipment and systems — analyze data to optimize water treatment system effectiveness — create cost-effective designs considering budget and regulatory constraints — oversee construction and implementation of water treatment systems — manage and maintain existing water treatment infrastructure — develop sewer improvement and flood protection plans, including infrastructure designs

Pollutions from construction:

air pollution, water pollution, noise pollution

Construction Activities that Contribute to Air Pollution:

land clearing, operation of diesel engines, demolition, burning, working with toxic materials

EM Waves and Spectrum

John Marabiles · 73問 · 1年前

EM Waves and Spectrum