Mechanical Engineering Questions and Answers February 05, 2020

explain the method of capacity changing on the avery Denison 500kN machine.

describe the british standard proportional round test piece, indicating how it should be prepared?

well away from the grips. Obviously, the portion gripped is subjected to a severe crushing stress, so any results founded upon the load under which a test piece broke at this place would be misleading. marked Lo (Tables 1.1 and 1.2) is the gauge length on which, as explained later, all measurements are taken. which fracture occurs outside the

give a brief description of one type of universal testing machine.

Contrast the main differences between the Models 7113 and 7152 in the 6. Avery-Denison Range of Universal Testing Machines.

what is the purpose of load-pacing gear? describe one form of the load pacing gear and explain the principle of its operation ?

equipment built into the same valve body is used for long and and for removing loads. period holding and for load cycling. LoadPacing When testing nonmetallic materials, it is often necessary to apply the load at a predetermined rate. permit the rate of application of the load to be adjusted within close limits. However, some indication that the

describe and explain the operation of the equipment used for load cycling on an avery Denison 4oo kN universal testing machine

Fig 3.3 shows the hydraulic circuit arranged for load cycling i.e. so that the machine will automatically and repeatedly go through a preset cycle of loading and unloading. Load Cycling The necessary equipment consists of two main elements (1) Control switches to operate at the required minimum and maximum loads selected, and which can be rendered

give a describe the british standard proportional round test piece?

give a brief description of a the model 7113 in the avery-Denison range of universal testing machines .

give a brief description of a the model 7152 in the avery-Denison range of universal testing machines .