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Q. Explain the use of bare electrode?
This type of electrode is also known as plain electrode. No flux covers on this electrode. These types of electrodes are used for D.C. supply. This electrode can not prevent oxidation or any reaction with atmospheric air of molten metal. So some impurity may be added in joint and joint becomes weak in strength. Such electrode use is less.
Strength tests : These tests are carried out to check the holding powers of various binders used in green moulding sand, dry moulding sand and core sand. These tests are performed
Keywords: Degree of Curve : The angle subtended at the centre by a chord of 100 ft (30.5 m) length. Super-elevation (cant) : The raising
A machine machines parts in exactly 1.5 minutes. The machine requires tool change according to an exponential distribution with a mean of 12 minutes between occurrences. The tool c
explain the law of gearing
Effect of the parameters in spot welding The passage of more current than what is required causes the following defects. I. Weld expulsion ii. Cavitations iii. Weld cracking
What do you understand by PELE box and when it is utilized? Ans. The equipments required in PELE box are: i. HOLDER ii. TRIPOD STAND iii. BULBS iv. CROCODILE CLIP
Consider laminar flow in a circular tubewith a fully developed velocity profile.Let the heat be added at a constant rate along the tube from x+ =0 to x+ =0.10 . Thereafter ,let
Hydrostati c Pressure - Thermodynamics: It is also called as Pressure due to Depth of Fluid. It is needed to determine the pressure exerted by static fluid column on surface,
Lean Mixture: It generally ranges from approximately 15 : 1 to 17 : 1. By the use of this fuel, engine runs for higher economy.
Determine- cutting speed, Material removal rate and Machining time. A 150 mm long 12.7 mm diameter stainless steel rod is being turned to 12.19 mm diameter on a centre lathe.
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