2. The specific weight of an unknown liquid is 12400 N/m?. What mass of the liquid iscontained in a volume of 500 cm³? Use:(a) The standard unit of gravity(b) The maximum value of gravity on the earth.(c) The minimum value of gravity on the earth.Note: The standard value for gravity is 9.80665 m/s? . The minimum value of gravityis 9.77 m/s? at the top of Mt. Everest to a maximum of 9.83 m/s? in the deepestocean trench. The nominal value of gravity is 9.81 m/s? which we used unlessotherwise stated.

Answered: Image /qna-images/answer/1eb03b74-0790-45dd-a206-7b9d3797cf81.jpg

Answered: 2. The specific weight of an unknown…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A cylindrical evacuated container has the area of 792 cm2 is closed with a lid. What is the value of 'h' in cm,i if the force used to lift the lid out off container is 7786 N. Take atmospheric pressure is 760 mm of mercury column, mercury density 13600 kg/m³, Gravity 9.81 m/s2. The value of h in cm
The Louisiana Superdome has an interior volume of 125 million ft3, covered by a 440,000 ft² roof. On a particular day, the interior air pressure gave a manometer reading of 19 inches mercury (pHg = 13.6 g/cm³). Local atmospheric pressure is 102 kPa. 1. kg Calculate the mass of the air inside, assuming an average temperature of 20 °C. 2. kN Calculate the net force applied to the roof by the interior/exterior air (do not account for the weight of the roof). Assume the roof is flat.
Ex. 1 The pressure of a gas = 1.5 bar at 18 C° temp. compute 1- the volume of (1 kg) of the gas . If the gas is heated at constant pressure until the volume become [Im'] Compute : a- the a mount of added heat. b- the work done.
A quarter gallon of oil weighs about 1.85 lb. Calculate its unit weight in pcf. and specific gravity. (7.48 gal = 1 ft^3). Separate your answers with a coma
1. Pressures up to 3000 bar are measured with a dead-weight gauge. The piston diameter is 4 mm. What is the approximate mass in kg of the weights required? 2. A gas is confined in a 0.47 m diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The local acceleration of gravity is 9.813 m's-2, and atmospheric pressure is 101.57 kPa. (a) What is the force in newtons exerted on the gas by the atmosphere, the piston, and the weight, assuming no friction between the piston and cylinder? (b) What is the pressure of the gas in kPa? (c) If the gas in the cylinder is heated, it expands, pushing the piston and weight upward. If the piston and weight are raised 0.83 m, what is the work done by the gas in kJ? What is the change in potential energy of the piston and weight? 3. Steam at 1400 kPa and 350°C [state 1] enters a turbine through a pipe that is 8 cm in diameter, at a mass flow rate of 0.1 kg: s-1. The exhaust from the turbine is…
6. A 25 mm diameter shaft is pulled through a cylindrical bearing as shown in the figure. The lubricant that fills the 0.3 mm gap between the shaft and the bearing is an oil having a kinematic viscosity of 8.0 x 10 -4 m2/s and a specific gravity of 0.91. Determine the force P required to full the shaft at a velocity of 3 m/s. Assume that the velocity distribution between the gap to be linear. Bearing Lubricant Shaft Answer: a. force P N
1. Find the mass and weight of the air in a room at 20 deg Celsius with a 7.0m x 9.0m floor and a ceiling 5.0m high. a. What are the mass and weight of the air? b. What are the mass and weight of an equal volume of water? c. what is the total downward force on the surface of the floor due to air pressure of 1.0 atm?
Answer number 4
A cylindrical evacuated container has the area of 708 cm2 is closed with a lid. What is the value of 'h' in cm, if the force used to lift the lid out off container is 7326 N. Take atmospheric pressure is 760 mm of mercury column, mercury density 13600 kg/m³, Gravity 9.81 m/s?. The value of h in cm
On the surface of the moon where local gravity is 1.67 m/s?, 4.4 kg of gas occupy a volume of 1.2 m?. Determine a. Specific volume of the gas m³/kg b.Density in g/cm3 c. Specific weight in Ib/ft³

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