1. A clean circular glass tube is to be selected in the design of a manometer to measure the pressure ofKerosene . Specific gravity of kerosene = 0.82 and surface tension of kerosene = 0.025 N/m. If thecapillary rise is to be limited to 1 mm, the smallest diameter (cm) of the galss tube should be mustnearlyc) 1.75d) 2.00a) 1.35b) 1.52. Both a gage and manometer are connected to a gas tank to measure its pressure. If the reading on thepressure gage is 80 kPa. The distance between the two fluid levels of the manometer h isif the gage fluid in the manometer is a mercury (s =13.6) ; and h isif the gage fluid in the manometer is water.a) 0.4 m: 9mb) 0.9m; 4.3 mc) 6.213m; 0,7626 md) 4.91m; 0.668mP- 80 kPa3. A 50 ton, 6-m diameter hemispherical dome on a level surface is filled with water as shown infigure. An engineer claims that be can left this dome by attaching a long tube to the top and filling itwith water. So, dhe required height of water h in the tube to lift the dome isthe weight of the tube and water therein.Ignorea) 0.47 mb) 7.4 mc) 3.765 md) 0.935 m

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1. A clean circular glass tube is to be selected in the design of a manometer to measure the pressure of Kerosene . Specific gravity of kerosene = 0.82 and surface tension of kerosene 0.025 N/m. If the capillary rise is to be limited to 1 mm, the smallest diameter (cm) of the galss tube should be most ncarly

1. A clean circular glass tube is to be selected in the design of a manometer to measure the pressure of Kerosene . Specific gravity of kerosene = 0.82 and surface tension of kerosene 0.025 N/m. If the capillary rise is to be limited to 1 mm, the smallest diameter (cm) of the galss tube should be most ncarly

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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2. Both a gage and manometer are connected to a gas tank to measure its pressure. If the reading on the pressure gage is 80 kPa. The distance between the two fluid levels of the manometer h is if the gage fluid in the manometer is a mercury (s =13.6); and h is if the gage fluid in the manometer is water. a) 0.4 m ; 9m b) 0.9m; 4.3 m c) 6.213m; 0.7626 m d) 4.91m; 0.668m P- 80 kPa A=?
2. Both a gage and manometer are connected to a gas tank to measure its pressure. If the reading on the pressure gage is 80 kPa. The distance between the two fluid levels of the manometer h is if the gage fluid in the manometer is a mercury (s =13.6) ; and h is if the gage fluid in the manometer is water. a) 0.4 m; 9m b) 0.9m; 4.3 m c) 6.213m; 0.7626 m. d) 4.91m; 0.668m
Unc uisC arge, and C) the power available at the specified point in watts. 2. The absolute viscosity of the liquid is 1.18 x 10-3 Pa.s and its specific gravity is 0.90. a) Compute the equivalent kinematic viscosity in m2 /s. b) Compute the equivalent value in stokes. c) If the viscosity is 0.0126 stokes, what is the equivalent kinematic viscosity in m2/s? 3. If the velocity of water is 8 m/s and the pressure is 140 kPa on the discharge side of a pump, a) what will be the head of the pump if the velocity is 4 m/s and the pressure is 90 kPa on the suction side of the pump? b) how much power is required to drive it if the diameter of the suction side is 600mm? c) If the pump is rated at 120 hp, what is the efficiency of the pump neglecting energy losses in the system?
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