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A 6-lb collar can slide without friction on a vertical rod and is held so it just touches an undeformed spring. Determine the maximum deflection of the spring
(a) If the collar is slowly released until it reaches an equilibrium position,
(b) If the collar is suddenlyreleased.
a 30-l electrical radiator containing heating oil is placed in a 50 m3 room. both the room and the oil in the radiator
a spherical container with volume 0.05m3 is pressurized up to 800kpa absolute pressure. air is released suddenly
a 250-kg crate b is suspended from a cable attached to a 20-kg trolley a which rides on an inclined i-beam as shown.
A single phase step up transformer is used to transform 240VRMS to 2400VRMS. The transformer is operating at its rated power of 1kW (with purely resistive load), with transformer Reqp = 5, and a Xeqp = 4j,
find the thermal conductivity in wm-1 k-1 and thermal diffusivity m2s-1 for a new insulating material for which the
steam flows through an expansion valve. conditions at the inlet are p1700 kpa and x10.96. the exit pressure p2 is 350
If the flow rate of the water is to be maintained at 3.15*10-3 m3/s and the water temperature remains constant at 16oc ,estimate the power rating of the motor required to drive the pump.
Two kg water at 120C with a quality of 25% has its temperature raised 20C in a constant volume process. What are the heat transfer and work in the process?
What is the gauge pressure at the water-mercury interface?
Each girder of the lift bridge (see figure) is 180 ft long and simply supported at the ends. The design load for each girder is a uniform load of intensity 1.6 k/ft.
a 4 kg object traveling at 60 ms enters an insulated vat of 20 kg of incompressible fluid c 2.0 kjkgk and comes to
1 initially an insulated rigid tank contains 2.85 kg of water at 263oc and 1 mpa. a heater in the wall of the tank
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