1:43 What is the best insulation wall for a house? ACC wall, Cavity wall, etc (2 Solutions!!) Roel Van de Paar
2:12 Engineering: Communicating losses and imprecision in liquid measurement by analogy Roel Van de Paar
3:45 Engineering: Logic gates for an indicator light to show the state of two sensors (4 Solutions!!) Roel Van de Paar
4:43 Engineering: What is an engineer's liability for code changes that occur after submitting a design? Roel Van de Paar
2:48 Engineering: Do structural engineers carry insurance for catastrophic errors? (2 Solutions!!) Roel Van de Paar
2:36 Engineering: What are the technical differences between flexible and rigid solar panels? Roel Van de Paar
1:49 Engineering: Percent (%) error between calculated gain and measured gain of FET amplifiers Roel Van de Paar
3:31 Engineering: Why were engineers negligent in the 1981 Hyatt Regency walkway collapse? Roel Van de Paar
3:28 Engineering: Electromechanically open and close a small, hinged door? (3 Solutions!!) Roel Van de Paar
2:18 Engineering: How do I determine the thermal resistance of a metal box? (2 Solutions!!) Roel Van de Paar
4:42 Does a roadway bridge experience more load when vehicles are parked or when they are moving? Roel Van de Paar
2:28 Engineering: Do regulations in the United States limit the size of aerial wind turbines? Roel Van de Paar
2:14 What materials or techniques can I use to reduce this electrical effect when building... Roel Van de Paar
1:36 What is the process for qualifying a weld between structural steel and stainless steel? Roel Van de Paar
2:32 Engineering: How are the thermodynamics of CPUs and other chips handled? (2 Solutions!!) Roel Van de Paar
2:14 Engineering: What determines the optimal number of balls between races in a bearing? Roel Van de Paar
1:46 Engineering: How many decimal places of GPS should be stored to be accurate within a few feet? Roel Van de Paar
4:07 Engineering: What happens when you put the wrong type of fuel in an internal combustion engine? Roel Van de Paar
4:46 Engineering: Switching batteries from series to parallel - technical solution (4 Solutions!!) Roel Van de Paar
4:58 Engineering: Can the structural integrity of bridges be measured in real-time for safety? Roel Van de Paar
4:23 Engineering: Why are turbo compound engines not more widely used? (6 Solutions!!) Roel Van de Paar
2:19 Why build a cell lattice tower with square cross-section instead of triangular cross-section? Roel Van de Paar
2:20 How does a diesel internal combustion engine start even though there are no spark plugs? Roel Van de Paar
3:36 Engineering: What makes the material travel through Archimedes' Screw? (3 Solutions!!) Roel Van de Paar
2:51 Engineering: How to prevent deposition of dust on ceiling fan blades? (3 Solutions!!) Roel Van de Paar
2:54 Engineering: How does the shape of CPU/GPU fan blades affect their performance and loudness? Roel Van de Paar
2:50 Engineering: How do I calculate the strength of a weld joining two crossed rods? Roel Van de Paar
2:56 Can nuts safely be removed from bolts where the threads have been intentionally damaged? Roel Van de Paar
2:35 Engineering: Are there standard vibration and shock specs for shipment of a product? Roel Van de Paar
3:03 What is a tesla turbine and how is it different from other turbines(like pelton Roel Van de Paar
2:15 Engineering: Why do some diesel engines run on diesel fuel and others on fuel oil? (4 Solutions!!) Roel Van de Paar
2:35 Engineering: How can I model or simulate motion caused by an internal vibrating motor? Roel Van de Paar
4:37 How is a mechanical system designed and tested without building a physical model? (5 Solutions!!) Roel Van de Paar
3:06 Engineering: If the emergency brake in a train is broken, do the passenger car brakes still work? Roel Van de Paar
2:00 Engineering: Are jeweled bearings commonly used for applications other than mechanical timepieces? Roel Van de Paar
2:34 What materials can I use for the roller and band of a DIY Van de Graaff generator? (3 Solutions!!) Roel Van de Paar
3:34 How can one calculate the change in heat energy when the specific heat varies with temperature? Roel Van de Paar
3:02 Is the reliability of automotive sensor technology impeding the success of self driving car? Roel Van de Paar
1:33 What kind of spring exerts a constant force but is also adjustable? (2 Solutions!!) Roel Van de Paar
4:24 Engineering: Mechanically, is an arc stronger than a rectangle? (3 Solutions!!) Roel Van de Paar
4:37 How would adding a wind deflector in front of roof-mounted solar panels affect drag on an RV? Roel Van de Paar
2:57 How can I calculate the temperature rise of a circuit board for a given power dissipation and area? Roel Van de Paar
4:12 Engineering: How is the long-term creep of a spring determined? (2 Solutions!!) Roel Van de Paar
2:26 Engineering: Why do earth cuts sometimes have steps on their walls? (2 Solutions!!) Roel Van de Paar
2:02 Why do hydroelectric plants use turbines instead of an efficient 'water wheel' configuration? Roel Van de Paar
2:26 Engineering: Why does AN-94 have higher burst fire than its cyclic rate? (2 Solutions!!) Roel Van de Paar
2:45 Engineering: Why are earthfills fully covered in concrete where they join bridges? (2 Solutions!!) Roel Van de Paar
2:06 Engineering: Do magnetic fields applied to a fuel line have an effect on heat output? Roel Van de Paar
2:41 Engineering: Explanation of supersonic flow differences between a 2D wedge and a 3D cone Roel Van de Paar
1:31 Engineering: How does corrosion occur at a temperature below 0 degrees Celsius? Roel Van de Paar
3:51 How to draw the velocity and acceleration diagrams if there is no connecting rod between the pins? Roel Van de Paar
2:17 Engineering: How does a rodless electrical linear actuator work? (2 Solutions!!) Roel Van de Paar
3:21 Engineering: Is a circle the strongest 2D shape for containing internal pressure? (4 Solutions!!) Roel Van de Paar
3:23 Engineering: How to mount a load-bearing gear shaft through a wooden plate? (2 Solutions!!) Roel Van de Paar