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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![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 must
nearly
c) 1.75
d) 2.00
a) 1.35
b) 1.5
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
3. A 50 ton, 6-m diameter hemispherical dome on a level surface is filled with water as shown in
figure. An engineer claims that be can left this dome by attaching a long tube to the top and filling it
with water. So, dhe required height of water h in the tube to lift the dome is
the weight of the tube and water therein.
Ignore
a) 0.47 m
b) 7.4 m
c) 3.765 m
d) 0.935 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b819bde-cabe-44fa-bf82-255a1cd467c2%2F40fa1941-c211-4613-9a63-95a9e27f89ac%2F20c8qee_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 must
nearly
c) 1.75
d) 2.00
a) 1.35
b) 1.5
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
3. A 50 ton, 6-m diameter hemispherical dome on a level surface is filled with water as shown in
figure. An engineer claims that be can left this dome by attaching a long tube to the top and filling it
with water. So, dhe required height of water h in the tube to lift the dome is
the weight of the tube and water therein.
Ignore
a) 0.47 m
b) 7.4 m
c) 3.765 m
d) 0.935 m
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