Engineinside

Pick out the most appropriate option: Answers are marked bold ; 1. Mild steel is an alloy of iron and carbon with percentage of carbon ranging from (a) up to 0.2% (b) 0.15–0.3 (c) 0.3–0.5 (d) above 0.5. 2....

ALLOYS OF NICKEL (i) German silver. It is a cupro nickel to which zinc has been added. A typical composition is 60% copper, 30% nickel and 10% zinc. Addition of zinc brings down the cost....

Non Ferrous Metals and Alloys - Properties and Uses : Non-ferrous metals and alloys do not contain any significant quantity of iron. The most common non ferrous metals used in engineering applications are copper, aluminium,...

Bronze ; Bronze is an alloy of copper and tin however commercial bronzes may contain other elements besides tin. In fact, alloys of copper with aluminium, silicon and beryllium, which may contain no tin are...

CNC Machines have these advantages : High Repeatability and Precision e.g. Aircraft parts. Volume of production in CNC is very high Complex contours/surfaces need to be machined. E.g. Turbines Flexibility in job change, automatic tool...

NC - Numeric Controlled and CNC - Computer Numeric Controlled Machines differ in these ways : The difference between NC and CNC is one of age and capability. NC is older compared to CNC The...

Couplings: Shaft couplings are used for connecting two shafts end for transmitting rotary motion directly from one shaft to another. They act as a one unit and transmit power. The classification of shaft coupling is...

What is Engineering Drawing ? Engineering Drawing is a language to express details of any particular machine part, tool, process of working or assembling and others. Various symbols are used in E.D. to represent factors...

The main parts of a Lathe Machine are : - Headstock - Tailstock - Carriage - Cross-slide - Compound slide - Bed - Quick change gearbox - Legs - Feed shaft - Lead screw The following figure shows the parts of lathe in details ; Specifications...

These are most commonly used trigonometric ratios ; Also, these relations need to be remembered, sin (90° – A) = cos A,      cos (90° – A) = sin A, tan (90° – A) = cot...