CULTURAL QA 06-2023-24 Q1 Whydo aircraft tires have straight treads?
A1 Vishnu Ravi, Aerospace Engineer |Aviation Enthusiast & Content Creator2h Elevate yourunderstanding of aircraft tires and their unparalleled advantages. Straight treads take centerstage in the realm of aviation for a multitude of compelling reasons: Unwavering Stability: When soaring throughchallenging crosswind conditions, stability is paramount. Embracing straighttreads grants remarkable stability, surpassing the performance of groovedtreads in such demanding circumstances. Conquering Hydroplaning: Defying the perils ofhydroplaning becomes effortless with the strategic design of the tread pattern.Horizontal grooves expertly divert water away, skilfully guiding it intovertical grooves, successfully averting the risks of aquaplaning. Unyielding Strength: An aviation marvel, aircrafttires endure immense burdens during brief intervals. Fortified by resilientcords woven beneath the tread, composed of either nylon or the formidablesynthetic polymer known as aramid, these tires radiate an unparalleledstrength. Mastering Braking Power: Experience the unrivaledbraking prowess embedded within the very fabric of the tread pattern. Craftedwith precision to thwart hydroplaning, this simplistic design empowerscommercial airplane tires to gracefully touch down at remarkable speeds.Witness the mesmerizing smoke as they assertively grip the tarmac, ensuring aseamless transition until the wheels align with the plane's velocity. Tailored for Taxi Speed: As aircraft navigate cornersat taxi speed, the straight groove pattern emerges as a steadfast companion,flawlessly catering to their specific needs. While car tires strive for gripand performance during cornering, aircraft tires revel in the efficientsimplicity of straight treads. Embrace theextraordinary capabilities of aircraft tires with straight treads, wherestability, hydroplaning resistance, strength, braking efficiency, and tailoreddesign converge to redefine the boundaries of aviation excellence. Q2 Howdoes a washing machine confirm the clothes are rinsed? Gopala Krishnan,FormerAssistant General Manager 1996-2004 at Department of Telecom (1966–2004)Justnow The software inautomatic washing machines has set time periods for different actions. One of them is rinsing the clothes. Theseprograms are time based, under hypothesis that there is standard water flow. If at all with in the period water flow isless, the soft ware change to next stage after stipulated time. Q3 Whichis a safer way of wiring, internal or external? A3 Shubham Minhas, Studied Electrical Engineering(Graduated 2016)3y The wiring methodsdepend upon the requirement, economics and physical constraints of that place. Concealed wiring is better for a placewhich is more prone to hazards like fire or physical damages. Open wiring can be done where there is no such majorconcern of fire hazards or damages. >From aesthetic point of view concealed wiring is preferred,but economically >open wiring is better. So, it depends onconditions and our need to choose type >of wiring. Q4 Whatis external resistance and internal resistance? A4 Akshay, Published Papers on FACTSDevices & Electrical Power System6y Internal resistance is the resistance within a battery,or other voltage source, that causes a drop in the source voltage when there isa current. Examples from the Web for internal resistance. External resistance or simply called Resistance isgenerally referred as the opposition to the flow of current offered by anyload. My note- External resistance is theresistance we addin a circuit- Rheostat or regulator of a fan Internal resistance is the resistancewith in an equipment.– When current is produced with in a dry battery, the materials used create aresistance. Q5 Howdo I deal with unsafe electrical wiring? A5 Joseph McCaffrey, studied ElectricalEngineering (1968)2y The best thing todo is to shut off the breaker at the breaker panel and then call a licensed Electrician to have them safely assess your electricalsystem. Q6 Whichfruits have fructose? A6 Weights loss diet, Health Director |Loving Father | Business Director5h Fructose is a natural sugar that is found in many fruits,vegetables, and sweeteners. Unlike table sugar (sucrose), which is made upof glucose and fructose, fructose is a simple sugar that is metabolizeddifferently in the body. While fructose is a natural sugar, consuming too much ofit can have negative health effects, including weight gain, insulin resistance,and type 2 diabetes. In this article, we will explore which fruitshave fructose and how they can fit into a healthy diet. 1. Apples Apples are apopular fruit that is richin fructose. One medium-sized apple contains around 13 grams offructose, making it a relatively low-fructose fruit compared to some other options. Apples arealso high in fiber and other nutrients, making them a healthy addition to anydiet. 2. Pears Pears are anotherfruit that is high in fructose, with one medium-sized pear containing around 16grams of fructose. Pearsare also rich in fiber and vitamins, making them a healthy choice forsnacking or adding to salads and desserts. 3. Mangoes Mangoes are atropical fruit that is high in fructose, with one medium-sized mango containingaround 25 grams of fructose. Whilemangoes are high in sugar, they are also rich in vitamins and fiber, making thema healthy addition to smoothies and other recipes. 4. Pineapples Pineapples are asweet and juicy fruit that is high in fructose, with one cup of pineapplecontaining around 16 grams of fructose. Pineapples are also high in vitamin Cand other nutrients, making them a healthy choice for snacking or adding torecipes. 5. Bananas Bananas are apopular fruit that is high in fructose, with one medium-sized banana containingaround 7 grams of fructose. While bananas are relatively low in fructosecompared to some other fruits, they are also high in fiber and other nutrients,making them a healthy choice for snacking or adding to smoothies and oatmeal. 6. Grapes Grapes are a sweetand juicy fruit that is high in fructose, with one cup of grapes containingaround 12 grams of fructose. While grapes are relatively high in sugar, theyare also high inantioxidants and other nutrients, making them a healthy choice for snacking oradding to salads and desserts. 7. Watermelon Watermelon is arefreshing and hydrating fruit that is high in fructose, with one cup ofwatermelon containing around 10 grams of fructose. Watermelon is also high invitamins A and C, making it a healthy choice for hot summer days. In conclusion, manyfruits are naturally high in fructose, which is a natural sugar that can havenegative health effects if consumed in excess. While fruits are a healthy addition to any diet, it isimportant to be mindful of your intake of high-fructose fruits and balance themwith other nutrient-rich foods. If you have concerns about yourfructose intake, speak to a healthcare professional or registered dietitian forpersonalized advice. Q7 Canan aircraft take off and land without using flaps? A7 Erika Fernandez, Experience inAviation Field2h Yes, it is possible, but it is not verycommon or desirable. Flaps are movable surfaces on the trailingedge of the wing that can be extended or retracted by the pilot. They have two main functions: to increase the lift and toincrease the drag of the wing. By increasing the lift, flaps allow theaircraft to fly at lower speeds and take off and land on shorter runways. By increasing the drag, flaps help theaircraft to slow down and descend more steeply during landing. Flaps alsoimprove the stability and control of the aircraft at low speeds. Most aircraft useflaps for take off and landing under normal conditions, as recommended by themanufacturer. But there are some situations in which flaps may not be availableor desirable, such as: Flap failure: Flaps may fail to extend or retract dueto mechanical or electrical problems, or due to icing or damage. In this case,the pilot has to follow the emergency procedures and land without flaps or withpartial flaps. This is notconsidered a dangerous emergency, but it requires more skill and attention fromthe pilot. Flapless take off: Some aircraft, such asthe Airbus A300 and Boeing 767, are approved for flaplesstake-offs under certain conditions, such as light weight, long runway, and highthrust. This can result in a better climb gradient, especially with oneengine out, which is an important factor for safety. However,flapless take offs are not very common, as they require more runway and fuelthan normal take offs. Flapless landing: Some pilots may choose to landwithout flaps or with partial flaps if they want to save fuel, reduce noise, orpractice their skills. However, this is not recommended for inexperienced orunfamiliar pilots, as it requires more precision and coordination than normallandings. Flapless landings are also not allowed at some airports due to noiseregulations or terrain constraints. So an aircraft cantake off and land without using flaps, but it is not a standard procedure andit has some drawbacks and risks. One of the main risk is thatwithout flaps, the aircraft needs more speed to generate enough lift to fly orland. So the pilot has to apply more power for takeoff and use more brakes forlanding and the aircraft is more sensitive to gusts and crosswinds duringtakeoff and landing. Without flaps the aircraft needs more distance toaccelerate for take off and decelerate for landing.This means that the pilot has to use more runway than normal, which may limitthe choice of airports or runways available and the pilot has less margin forerror or aborting the takeoff or landing. Also without flaps, the aircraft has a different pitchattitude (nose up or down angle) during takeoff and landingthan normal. Hence the pilot has to adjust their sight picture and theircontrol inputs accordingly and the aircraft has less ground clearance duringtakeoff and landing, which may increase the risk of tail strike or propellerstrike. All the above QA are from Quora website on 24-06- 2023. Quora answers need not be 100% correct answers . Compiled andposted by R. Gopala krishnan, on 24-06-2023 -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/thatha_patty/274493453.2934260.1687597881458%40mail.yahoo.com.
