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1- Explain the rationale of using a small WD to improve resolution.
2- In a tungsten SEM , Why does a high accelerating voltage provide the potential for higher resolution? Why is this counterintuitive?
3- Comment on the desired coating thickness for an insulating sample where maximum resolution is required. What material/s do you suggest for coating and why?
Natural Frequency: This is the frequency of vibration of a system that is undamped and without external excitation while it is disturbed. Forced Vibration: This is the vibra
Copper-Beryllium Alloys Copper-beryllium alloys comprise between 0.6 to 2% Be and 0.2 to 2.5% Cobalt. Such alloys can be precipitation hardened and cold worked to improve a te
A piece of Al weighing 6 kg and initially at a temperature of 300 O C is suddenly immersed in a fluid at a temperature of 20 O C. The convectice heat transfer coefficient is 58 W/m
Grease Gun: A grease gun is shown in Figure. This is used to supply semi-solid lubricant (grease) for chassis lubrication. Figure : Grease Gun
Kennedy’s Theorem: According to this theorem the relative instantaneous centres on whichever three bodies that contain motion relative to each other are collinear. Higher Pa
Resolve a force system in to single force: Resolve a force system in to single force and a couple systems. Also explain the Equivalent force couple system. Or 'A
A manufacturing facility consists of five departments, 1, 2, 3, 4 and 5. It produces four components having the manufacturing product routings and production volumes indicated in t
Explain the several types of pattern allowances with neat sketch. Show the six important - aspects of gating system design. Illustrate briefly their functions.
Sand blasting handling method: On last experiment we had decided to use 3.0 bars as it shown better result. Now we had to investigate the sand blasting handling
A Spring - mass system which is subjected to a harmonic force FCoswt. calculate the response of the system, refer figure Given x (0) = 0.01 m x(0) = 0.04 m/sec w = 30 rad/
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