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Arrange the processes in the increasing order of their maximum material removal rate. Electrochemical Machining (ECM) Ultrasonic Machining (USM) Electron Beam Machining (EBM) Laser Beam Machining (LBM) and Electric Discharge Machining (EDM)
Materials which can be drawn into wires are called ductile. Which of the following is not a ductile Materials?
The ductile materials, during machining, produce
The erosion mechanism of rubber-like materials is same as that of brittle materials and ductile materials.
Consider the following statements: 1. Both ferromagnetic and ferrimagnetic materials have domain structures; each domain has randomly oriented magnetic moments when no external field is applied. 2. Both ferromagnetic and ferrimagnetic materials make those domains that have a favourable orientation to the applied field grow in size. 3. The net magnetic moment in ferromagnetic materials is higher than that in ferrimagnetic materials. 4. The net magnetic moment in ferrimagnetic materials is higher than that in ferromagnetic material. Which of the above statements are correct?
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
On some day, manufacturing unit A produces 78,868 toys, manufacturing unit B produces 87,868 toys, manufacturing unit C produces 88,768 toys and manufacturing unit D produces 67,888 toys. Which manufacturing unit is doing the second least production?
The influence of shape of aggregate in strength and workability of concrete are given below in statements S1, S2, S3 and S4. Which of the statements are correct? S1: Rounded aggregate produces concrete with high workability and low strength. S2: Angular aggregate produces concrete with high workability and low strength. S3: Rounded aggregate produces concrete with low workability and high strength. S4: Angular aggregate produces concrete with low workability and high strength.
Crater wear is usually found while machining ductile materials.
The materials which are not stress-relieved before machining by WEDM process can get distorted during machining.