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A 6 cm diameter rubber ball weighing 5 g is used to plug a 4 cm hole in the base of a tank. The tank is in use and is gradually emptying. At approximately what depth will the ball plug fail by floating up and out of the hole?
Rooms in the lower level of a cruise ship have 30 cm diameter circular windows known as portholes. In rough weather the lower portholes can be momentarily submerged up to 4 m by waves. Determine the instantaneous hydrostatic force in terms of magnitude and position at one of these moments.
A fenced enclosure consists of a rectangle of length L and width 2R, and a semicircle of radius R, as shown in Figure P20. The enclosure is to be built to have an area A of 1600 ft
With the help of diagram , depict the evaluation of Machine Design. Discuss in detail Technical feasibility, finanacial and economic feasibility, social and environmental feasib
Find the Laplace transform of the following differential equation: ? +3? +6x = 0, x(0) =0, ?(0)=3 Taking the inverse Laplace transform of X(s), obtain the time solution x(t).
Basic S.I. Units and its derived unit: S.I. stands for "System International Units". There are three quantities in the Standard International Systems as concerned to Mechanics
An engine uses air as the operating substance. At the beginning of compression the pressure is 90 KN /m 2 and the temp. is 40 0 C. During the adiabatic compression, the volume is
Explain Hard or Fixed Automation Mechanical controls consist of numbers of mechanism that create the required relative motion to complete an activity. These mechanisms include:
Determine elongation because of self weight of conical bar: Sol.: Consider conical bar ABC of length L with the diameter d fixed rigidly at AB . Let attention be focuse
EQUIPMENT FOR RESISTANCE WELDING The equipment for resistance welding is different from that for arc welding for the following reasons: Resistance welding machines are complica
Q. Explain the working of Die Casting? In the die casting process the, mould used for a casting is permanent called a die casting. it is shown in figure. It is thus quite diffe
A tensile test on a specimen having an initial diameter of 13.11 mm and an initial gauge length of 200.0 mm, gave the following data:
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