POLDI HARDNESS TESTER: FEATURES, PRINCIPLE, Hardened Steel Ball, Standard Test Bar, Magnifier, Hardness Tables

POLDI HARDNESS TESTER FEATURES: The hammer type Poldi Hardness Tester is suitable for measuring the Brinell Hardness of Steel, Cast iron, Brass Aluminum, Copper etc. This Poldi Hardness Tester is useful to test parts where bench type model is not useful. This type of machine is most ideal and simple for foundries, Workshops, Engineering Colleges, … Read more

Applications of metallurgical microscope

Applications of metallurgical microscope Metallurgical microscopes are powerful tools that allow metallurgists and materials scientists to examine the microstructure of metallic materials at high magnification. Here are some common applications of metallurgical microscopes: Characterizing the microstructure of metals: Metallurgical microscopes are commonly used to study the microstructure of metals, including grain size, phase composition, and … Read more

SCANNING ELECTRON MICROSCOPE (SEM) INTERVIEW QUESTIONS AND ANSWERS

SCANNING ELECTRON MICROSCOPE (SEM) INTERVIEW QUESTIONS AND ANSWERS Q: What is a scanning electron microscope (SEM)? A: A scanning electron microscope (SEM) is a type of electron microscope that uses a focused beam of electrons to create high-resolution images of the surface of a sample. SEMs are capable of producing images with very high magnification … Read more

Scanning Electron Microscope (SEM) Interview Questions

Scanning Electron Microscope (SEM) Interview Questions  What is a scanning electron microscope (SEM) and how does it work? What are the key components of an SEM? What are the advantages of using an SEM over other types of microscopes? What are the limitations of using an SEM? How does an SEM differ from a transmission … Read more

SPECTROMETER VIVA QUESTIONS AND ANSWERS

SPECTROMETER VIVA QUESTIONS AND ANSWERS Q: What is a spectrometer? A: A spectrometer is a scientific instrument used to measure the intensity of light or other electromagnetic radiation at different wavelengths. Q: What are the main components of a spectrometer? A: The main components of a spectrometer are a light source, a collimating lens or … Read more

SPECTROMETER INTERVIEW QUESTIONS AND ANSWERS

SPECTROMETER INTERVIEW QUESTIONS AND ANSWERS Q: What is a spectrometer? A: A spectrometer is a scientific instrument used to measure the properties of light over a specific portion of the electromagnetic spectrum, typically in the form of wavelength or frequency. It is commonly used to analyze and identify the chemical composition of materials. Q: What … Read more

What is Micrometers: OUTSIDE MICROMETER, COMMON PARTS OF OUTSIDE MICROMETER, READING ON MICRO METER

What is Micrometers The micrometers are commonly employed for measuring small dimensions with extreme accuracy of 0.01 mm. They may be of the three kinds  (a)  External micrometer for measuring external dimensions, (b)  Internal micrometer for measuring internal dimensions, and (c)  Depth micrometer for measuring depths. For measuring a dimension in external micrometer, the work piece is held … Read more