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Q. Explain about Hardness testing?
When indicated on equipment or vessel data sheets, hardness testing shall be performed as follows:
a) Perform hardness tests at or near the centre of the weld or surface to be tested on the side exposed to the process environment. Prepare the surface in accordance with ASTM E-10. Use a Telebrineller portable tester to measure hardness.
One hardness test for each 3.05 m (10 ft) or fraction thereof, for each longitudinal seam of each course. One hardness test for each 3.05 m (10 ft) or fraction thereof, for each vessel circumferential seam. One hardness test for each nozzle to shell weld.
One test on each surface cut with oxy-fuel or Arc-Air which is left unwelded on the finished part. One test on each area where a temporaryweld was made and removed.
Calculate quantity of steam in the vessel - thermodynamics: A closed metallic boiler drum having capacity of 0.24m 3 contains steam at pressure of 11bar and a temperature
(a) Illustrate what do you understand by Steering Gear Mechanism ? Describe any one Steering Gear Mechanism. (b) Write short note on Pantograph.
Engine oil : Check engine oil level and viscosity.
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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
Explain POINT ANGLE - Angle of drills It is also known as a cutting angle. Its most commonly used value for a large variety of materials is 118.Though,its varies from 80 to 140
what is traditionally metallic component?
Basic Concept: Like any fine machine a motorcycle can be split into various systems like lubrication system, transmission system, electrical system, etc. It is important that a
comment on types of air blast chiller (not freezer)
The rigidly jointed frame shown in Figure has bending stiffnesses such that EI AB = 1000kNm 2 and EI BC = EICD = 1600kNm 2 . (i) Determine the joint rotations at B and C.
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