2:35 Engineering: Energy required to raise temperature of water flowing through a heater (3 Solutions!!) Roel Van de Paar
6:17 Engineering: Why do cars have mirrors for rear view rather than cameras? (9 Solutions!!) Roel Van de Paar
3:32 What is the difference between the Polar Moment of Inertia, $ I_P $ and the torsional constant,... Roel Van de Paar
1:22 Engineering: What chuck arbor do I need for a Jacob's JT #33 chuck and G0768 grizzly lathe? Roel Van de Paar
1:59 Working Out Shaft Torque in a Stirred Tank with a Cylindrical Cavern Formation (using a non... Roel Van de Paar
1:12 Engineering: What's the difference between impeller and rotor in centrifugal pump? Roel Van de Paar
2:36 Engineering: Properties of an hexagonal shape vs round tube shape (2 Solutions!!) Roel Van de Paar
1:48 Engineering: Aluminum vs Steel rivets/fasteners in a high vibration environment Roel Van de Paar
4:07 Engineering: Can I reduce the column moment due to beam, by setting the beam end to pin? Roel Van de Paar
4:00 How to distinguish primary and secondary beam in FEM formulation? (2 Solutions!!) Roel Van de Paar
2:10 Engineering: What is the splice length for two reinforcement bars in tension of different diameter? Roel Van de Paar
5:58 Engineering: Why would a train automatically derail if a signal is passed at danger? Roel Van de Paar
2:07 Engineering: What means the velocity constant of the integration in PI controller formulas? Roel Van de Paar
4:06 Engineering: Calculating the amount of teeth on ring gear in planetary gear system (2 Solutions!!) Roel Van de Paar
3:17 Engineering: Rule of thumb maximum flow velocity of water in pipes (6 Solutions!!) Roel Van de Paar
2:16 Is epoxy the best way to permanently attach a small PCB to a mechanism that will be vibrating? Roel Van de Paar
1:48 Engineering: Looking for a device that breaks the circuit if the voltage gets too low Roel Van de Paar
3:40 What does "beam end release" actually mean, and how it is modeled in mathematical terms? Roel Van de Paar
5:10 Engineering: Do I need to mention every dimension on a to-scale drawing? (6 Solutions!!) Roel Van de Paar
2:45 Engineering: Determining stiffness of a beam w/varying moment of inertia (2 Solutions!!) Roel Van de Paar
2:50 Engineering: Copper is more conductive, so why use lead battery terminals? (5 Solutions!!) Roel Van de Paar
3:31 Engineering: Why do small gears used to turn big gears allow more force with less effort? Roel Van de Paar
1:29 Engineering: How to size a refrigeration compressor based on an evaporator size? Roel Van de Paar
3:01 Engineering: Why are spur gear ratios not always whole numbers in practice? (5 Solutions!!) Roel Van de Paar
2:44 Engineering: How to calculate inlet and exit area of a gas turbine engine compressor diffuser? Roel Van de Paar
1:56 Why is more steam required to turn a steam turbine when electric power consumption is higher? Roel Van de Paar
2:23 Engineering: Using a controller to remotely alternate the direction of a peristaltic pump Roel Van de Paar
1:44 Engineering: Do micrometer calipers have any advantage over vernier calipers? (2 Solutions!!) Roel Van de Paar
2:17 What thickness of aluminium sheet do I need to achieve the same strength of a 1/8" steel sheet? Roel Van de Paar
2:23 Engineering: Can steel be replaced with aluminum alloy in reinforced concrete? (3 Solutions!!) Roel Van de Paar
2:28 Engineering: Relative strength of wire mesh vs rebar for reinforcing a concrete slab Roel Van de Paar
3:35 Engineering: Is "pitch diameter" the same as the distance between the centers? (3 Solutions!!) Roel Van de Paar
3:08 Determining the first moment of area (Q) when calculating the shear flow of a built up member Roel Van de Paar
2:53 Engineering: Why is electrical energy most commonly stored in metal acid batteries? (3 Solutions!!) Roel Van de Paar