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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.
(a) Derive the mathematical equation for work done in a polytropic process (i.e.) PV n =c) (b) A mass of gas is compressed in a quasi-static process from 80KPa, 0.1m 3 to 0.4M
A cycle stream power plant is to be designed for stream temperature and turbine 350
how to submit work online?
bendind moment equation
Q. Postweld heat treatment? When the equipment data sheet specifies post-weld heat treatment either for service conditions or code requirements, welding, hammering (peening), o
FRICTION WELDING In this, friction is employed to generate heat b/w two sliding or rotating metal surfaces. This process is usually carried out by placing the pieces to be welded
Determine the angular-velocity of uniform bar: A uniform bar of length l and mass M is hinged at its end B and is released from its horizontal position BA. Determine its angul
Explain the points of contraflexure.
Q. Show Geographic constraints of the plant? The layout of process units will be influenced by the geographic constraints of the site. Spacing is required between plant facilit
necessity of lubrication
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