What can be used to recover serial number? etching reagent Which chemical helps reveal a damaged serial number? To reveal destroyed serial numbers on weapons made of nonmagnetic materials, such as zinc, aluminum or alloy substances, crime laboratories must still use chemical etching, a process that uses strong acids and typically reveals a serial number […]
What is a circuit chart?
What is a circuit chart? What is a Circuit Diagram? A circuit diagram is a visual display of an electrical circuit using either basic images of parts or industry standard symbols. A schematic style circuit diagram is used to give a visual representation of an electrical circuit to an electrician. What are the two types […]
What are the pros and cons of CBT?
What are the pros and cons of CBT? Research has shown that cognitive behavioural therapy (CBT) can be as effective as medication in treating Anxiety & Depression problems. There is always a risk that bad feelings you associate with your problem will return, but with your CBT skills it should be easier for you to […]
How many types of erosion are there?
How many types of erosion are there? Like water erosion, there are three different types of wind erosion, surface creep, saltation, and suspension. What is called erosion Class 6? The wearing away of the earth’s surface is called erosion. Explanation: Erosion is the phenomenon of the removal of the top layer of the Earth’s surface […]
Is scattering of light reflection?
Is scattering of light reflection? Scattering and reflection. Both phenomena occur and overlap. The main factor controlling them is particle size: scattering occurs for particles smaller than the wavelength of light, and reflection for bigger ones, but there is overlap. Thus, more blue light than red light is transmitted backwards. What is the means of […]
Which number is used in forced convection?
Which number is used in forced convection? The parameter of importance in forced convection is the Péclet number, which is the ratio of advection (movement by currents) and diffusion (movement from high to low concentrations) of heat. When the Peclet number is much greater than unity (1), advection dominates diffusion. What is the primary driving […]
Which fossil fuel is the best?
Which fossil fuel is the best? Natural Gas Which fossil fuel is the cleanest burning Why? natural gas What is the most used fossil fuel? Oil How much does burning fossil fuels contribute to global warming? Global carbon emissions from fossil fuels have significantly increased since 1900. Since 1970, CO2 emissions have increased by about […]
Can I lock my bike to a street sign?
Can I lock my bike to a street sign? Street signs are placed in the right of way. So even if it’s on someone’s private property, it’s still public (government) property. You pay taxes, you vote… use the sign as long as you don’t deface, damage, or otherwise obscure it’s message, you should be good. […]
How are the circuits wires in houses?
How are the circuits wires in houses? Circuits in houses are generally wired in parallel, which allows you to operate each light or power point independently of the others. How many circuits should a house have? Fifty years ago, a kitchen might have been served by a single electrical circuit, but today, a newly installed […]
What does listening to 528 Hz do?
What does listening to 528 Hz do? According to the current study, sound waves with 528 Hz frequency in 100 dB intensity induce testosterone production in brain by enhancing StAR and SF-1 and reducing P450 aromatase gene expression. Frequency of 528 Hz also reduces total concentration of reactive oxidative species in brain tissue. How many […]