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Q. How can you test hardness of the prepared mould?
Hardness test: The hardness of the prepared mould surface is tested to check the ramming density of the sand. The instrument resembles a dial indicator, and carries a spring loaded steel ball of 5 mm. The ball is pressed into the rammed surface. The depth of penetration of the ball is indicated on the dial of the indicator in terms of hardness units.
Q. What is coated electrode? These types of electrodes are prepared by coating of flux on metal wire. Due to arc metal electrode melts and used as filler metal. Flux melts and
(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
Explain action and reaction of force: Two bodies A and B are in contact at point ' O '. Body A Press against body B. Thus action of body A on the body B is F . React
Copper-Lead Alloys Copper-lead alloys, having a large percentage of lead have determined a considerable employ as bearing material lately. Straight, copper-lead alloys of such
show that work is a path function and not a point funtion ?
Find out also the loss of energy through impact: Example 1. A bullet weighing 0.1 newton horizontally fired with a velocity of 80 metres/sec hits a wooden block, weighin
Describe the Elements of Polyhedral objects Objects that are often encountered in engineering applications can be classified as either polyhedral or curved objects. A polyhedr
Objectives After studying this unit, you should be able to discuss the scope and extent of service industry, describe the phases of two wheeler industry growth, an
velocity of belt: velocity of belt passing over the driver pulley will decrease Now with this velocity belt pass over driven pulley, Now Velocity of Driven = Velocity
Constant Mesh Type Gear Box : Most of the gearboxes on motorcycles are "constant mesh". That means all the gears are constantly meshed with one another and are always spinnin
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