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The coherency between the parent phase and particle is much better in precipitation-hardened alloys compared to dispersion hardened alloys.
The solubility of second phase particles in dispersion hardened system is _____________ compared to precipitation-hardened system.
Identify the attributes associated with dispersion hardened alloys.
P. Dispersoids do no dissolve in the matrix even at high temperature.
Q. Dispersoids are coherent with the matrix.
R. Dispersoids impart creep resistance to the alloy.
S. Dispersoids improve the corrosion resistance of the alloy.
The average weight of 20 contestants in a fashion show increased by 5.75 kg when one of the contestants left the show but when a new contestant joined the show then the average weight decreased by 2.75 kg. What is the difference between the weight of the new contestant who joined the show and the contestant who left the show?
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?
1. show version
2. show protocols
3. show interfaces
4. show controllers
5. show ip interface
A single mode fiber has a zero dispersion wavelength of 1.21μm and a dispersion slope of 0.08 psnm-2km-1. What is the total first order dispersion at wavelength 1.26μm.
A single mode fiber has a zero dispersion wavelength of 1.21μm and a dispersion slope of 0.08 psnm-2km-1. What is the total first order dispersion at wavelength 1.26μm.
Assertion (A): Aluminium alloys are cast in a hot chamber die casting machine. Reason (R): Aluminium alloys require high melting when compared to zinc alloys.
In an alloy, gold and silver are in the ratio of 2 : 1. In the second alloy, the same elements are in the ratio of 3 : 2. If these two alloys be mixed to form a new alloy in which two elements are in the ratio of 8 : 5, the ratio of these two alloys in new alloys is?
Consider the following statements. (1) Hot chamber machine is used for casting zinc, tin and other low melting alloys (2) Cold chamber machine is used for die casting of ferrous alloys (3) Rapid cooling rate in die casting produces high strength and quality in many alloys Which of these statements are correct?