Eductor is a device that utilizes a nozzle and throat, fitted in a stream of water to build a partial vacuum to draw liquid or air into the stream; normally used to draw regeneration chemicals into an ion exchange water treatment system, like deionizer or softener.
Tell me for a washout valve why are two gate valves required in normal practice?
Explain me what reinforcements are used in the process of prestressing?
Explain me why are pull-out tests performed for soil nails?
Tell me the mechanism of cavitations in pipes and drains?
Side rake angle of a single point cutting tool is the angle A. by which the face of the tool is inclined towards back B. by which the face of the tool is inclined sideways C. between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool D. between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
Segmental chips are formed during machining A. mild steel B. cast iron C. high speed steel D. high carbon steel
Cemented carbide tool tips are produced by powder metallurgy. A. True B. False
If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is A. conical locator B. cylindrical locator C. diamond pin locator D. vee locator
A single point thread cutting tool should ideally have A. zero rake angle B. positive rake angle C. negative rake angle D. point angle
Internal gears can be made by A. hobbing B. shaping with pinion cutter C. shaping with rack cutter D. milling
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