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Illustrate with working, construction and measurement of brake power by Belt transmission type brake dynamometers?
The essential features of a transmission dynamometer are shown in Figure, A is the driving pulley which runs at 600 r.p.m.B and C are jockey pulleys mounted on a horizontal beam pivoted at D, about which point the complete beam is balanced when at rest. E is the driven pulley and all portions of the belt between the pulleys are vertical. A,Band C are each 300 mm diameter and the thickness and weight of the belt are neglected. The length DF is 750 mm. Determine :
1. the value of the weight W to maintain the beam in a horizontal position when 4.5 kW is being transmitted, and
2. the value of W, when the belt just starts to slip on pulley A. The coefficient of friction being 0.2 and maximum tension in the belt 1.5 kN.
Question 1: Retail design tends to be rapid turnover business. Your potential client needs a window display for his retail sports wear shop for the summer sales. The assumed bu
Calculate value of force: A 100N force that makes an angle of 45º with the horizontal x axis is to be replaced by the two forces, a horizontal force F and a second force
A load cell based on a "proving ring" is shown below. The circular portion of the load cell has an inner radius of 1.25 in and outer radius of 1.50 in. The ring has a depth (i.e.
The Ordinate Dimension Command We can use The Ordinate command to annotate co-ordinate points with X or Y values. This might be useful for setting-out on site plans.
we can use in proove of energy is a propertyof system we can use (E) instead of (dQ-dW)
Loosening a Part with Multiple Fasteners: Loosening a part with multiple fasteners should be done from the outside to inside in a criss-cross pattern, loosening the small fastener
Find out the effort required to run this machine: The efficiency of a machine is 75% while an effort of 20 N is required to lift a load of 160 N. Compute the velocity ratio an
Calculate Size of Blank Required for Drawing A flanged cup shown in Figure is to be produced by deep drawing. Calculate the size of the blank required for drawing.
Consider the rocket on a test stand as described in Chapter 3 of the lecture notes. The nose of the rocket is fixed. The rocket is of length L, constant EA and constant m, mass per
Equilibrium of body - force acted at any angle: Magnitude of force ' p ' which is required to move the body down the plane. When ' p ' is acted with an angle of φ.
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