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3. Amaterial has a mass of 95 g and 68 g before and after abrasion, respectively. If the abrasive
ratio of 1.85, find the area of abrasion
You given a number as the an input you have too display all the numbers from O till X
Input X
Output
1
2
1
X
summarize the topic Liquid propellant rocket.(30marks)
Explain Carriage of prisoners in aircraft (10 marks)
What are the duties of the Chief Aerodrome Security Officer
Write concepts on basic Security Measures to be obtained at Aerodromes?
A water heater shower needs to supply warm water at temperature of 40°C. The hot water input is at 90°C and flowing with a flow rate of 0.5 kg/s at one side. On the other side, a stream of cold water flowing at 25°C. If we need the shower to supply water at 40°C at the exit, calculate the mass flow rate that is suitable for the cold water side. Assume all stream at equal pressure of 250 kPa.
A tank is filled with 0.025 m3 of refrigerant 134-a refrigerant in the form of saturated liquid at 0.9 MPa on one side. The refrigerant then fills up the entire tank and it becomes 25 °C and 300 kPa. Calculate the total volume of the tank.
A given wire has a resistance of 17.5 ohms. If its length is 560 m, how much length must be cut – off from the wire in order to reduce its resistance to 12.5 ohms?
Given: Four-25-mm-diameter rivets with an axial load of
T = 75 kN distributed equally as shown. The thickness of
the plates is 25 mm and width of plate is 150 mm.
find (a) the shear stress on the rivets
(b) the bearing stress between a plate and a rivet;
(c) the minimum average tensile stress in each plate.
