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Fred's user avatar
Fred's user avatar
Fred
  • Member for 9 years, 5 months
  • Last seen this week
  • Southern Hemisphere
3 votes

What are the limits on building very high buildings using certain materials and architectural style?

0 votes
Accepted

is it possible to use copper coil instead of pads in air cooler

1 vote

Is there any defined mathematical parameter that can give me the average distance of a volume to a point?

4 votes

Meaning of kWh/tcoal

5 votes

Why can't energy be entirely recovered from a moving car's rotating wheels?

6 votes

Why don't public transport networks have more routes to each terminal?

3 votes

Using Stainless steel or iron pots in oven

2 votes

How do I measure the brightness of a light bulb?

0 votes
Accepted

What does it mean by "loops and troughs"?

2 votes

Why resolution of photolithography evolved gradually?

0 votes
Accepted

Concept on material balance

1 vote

Is there any method to recycle air-pollution into fertilizer?

3 votes

Light frame at tunnels and bridges

4 votes
Accepted

What's the difference between aircon modes Auto, Sun, Snowflake?

1 vote

Why is North considered the reference direction in Surveying?

2 votes
Accepted

Quantifying Static Electricity Hazard with High Explosives

4 votes
Accepted

How to obtain an homogeneous mixture of 10 000 tons of minerals, each one in a different pile?

0 votes
Accepted

How to prevent ice build up in a refrigerator?

3 votes
Accepted

Why are aircraft carriers so expensive to build?

3 votes

hydraulic diameter

0 votes
Accepted

What types of oil reservoirs are applicable to radio/microwave heating and advantageous to SAGD?

2 votes

Use of ceramics in internal combustion engines - why and why not?

8 votes
Accepted

Tunnel at depth problem

2 votes

Natural gas boiler Vs. Electric Heater efficiency

1 vote

What's the name and purpose of this specific shape of hollows in a reinforced concrete slab?

9 votes
Accepted

How are tunnels dug from two endpoints joined?

1 vote

Is radians a dimensionless quantity?

1 vote

Windproof open doors room design

2 votes

How do you call a map that shows the characteristics of a train tunnel (3D) in paper (2D)?

1 vote
Accepted

Oil refinery pipeline direct to gas stations

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