What is a polymer coating? Polymer coatings are thin layers of polymer applied to either flat substrates or irregular objects. Polymeric coatings can be functional (adhesives, photographic films), protective (anticorrosion), or decorative (paint). They are also used to modify surfaces (paper coatings, hydrophobic coatings). Which polymer is used for protective coating? Epoxy polymers Is polymer […]
Which of the following are used for vehicle and or major component identification?
Which of the following are used for vehicle and or major component identification? Explanation: American automobile producers have practiced a vehicle identification number (V.I.N.) to name and recognize motor vehicles. What should a technician look for during a visual inspection? The Courtesy Inspection is a “visual” inspection and takes a few minutes to perform. The […]
What are the three members of the rule of three?
What are the three members of the rule of three? The Rule of Three [1] says that there are three member functions that go together: the destructor, the copy constructor, and the assignment operator. A class that defines a destructor should almost always define the other two members. Why do we use rule of three […]
Why does my drill bit wobble?
Why does my drill bit wobble? A loose quill will cause some wobble of the chuck when the drill press is operating, which can cause imprecision. This is especially problematic when using very clean drill bits such as a forstner bit or a sharp-pointed bit such as a spade or auger bit. What is drill […]
How technology solve real world problems?
How technology solve real world problems? Here are the major challenges that can be solved by technology. Carbon appropriation. Rising of global temperature is a major threat for everyone. Grid-scale energy storage. Universal flu vaccine. Ocean clean-up. Dementia treatment. Energy-efficient desalination. Embodied AI. Secure driverless car. What problems can be solved by technology? 6 Issues […]
How do you create a combinational logic circuit?
How do you create a combinational logic circuit? Following are the four steps to construct and analyze any combinational circuit. Step-1: Identify the number of inputs and outputs of the circuit. Step-2: Creating the Truth Table. Step-3: Simplify the Boolean function for each output. Step-4: Constructing circuit using Boolean function obtained from third step. What […]
What is the process by which plants make food by converting solar energy into chemical energy?
What is the process by which plants make food by converting solar energy into chemical energy? Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. The glucose gives […]
What are the steps after a virus attaches to a host cell in the viral reproduction process?
What are the steps after a virus attaches to a host cell in the viral reproduction process? Viral replication involves six steps: attachment, penetration, uncoating, replication, assembly, and release. During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it. What structure of a virus help it […]
Do shock absorbers support the weight of the vehicle?
Do shock absorbers support the weight of the vehicle? Despite what many people think, conventional shock absorbers do not support vehicle weight. Instead, the primary purpose of the shock absorber is to control spring and suspension movement. What is the purpose of a shock absorber? The role of the shock absorber is to keep the […]
What is the purpose of retainage?
What is the purpose of retainage? Retainage is the withholding of a portion of the funds that are due to a contractor or subcontractor until the construction project is finished. It is meant to serve as a financial incentive and an assurance that the contractor will complete the project in a satisfactory manner. What is […]