T A mixture of two liquids of equal volume is made, the one has a relative density of 0,8 and the other a density of 980 kg/m³. What will the weight of 2 500 litres be? [21830 N]
T A mixture of two liquids of equal volume is made, the one has a relative density of 0,8 and the other a density of 980 kg/m³. What will the weight of 2 500 litres be? [21830 N]
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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![1.3
A mixture of two liquids of equal volume is made, the one
has a relative density of 0,8 and the other a density of 980
kg/m³. What will the weight of 2 500 litres be?
1.4
1.5
1.6
15
1.7
[21830 N]
A solid block of stone with a relative density 4 is broken
down and crushed to an average size of 20 mm. If the stone
originally had a volume of 50 m³, how many truck loads with
a volume of 2 m³, will it take to transport the crushed
stone if 25 of the crushed stone has a mass of 80 kg. Has
the relative density changed? How much? Why?
[32 truck loads]
Use table 1.4.2 to determine the kinematic viscosity of
crude oil with a density of 855 kg/ m³ at temperatures of
20°C and 100°C.
[9,357 x 10-6 m²/s; 3,275 x 10-6 m²/s]
Air is used in a sensitive gyroscope to keep the metal
bearing surfaces apart. Will the friction losses in the
bearing be higher, lower or the same if the temperature of
the bearing increases?
A widely used S.I. unit for kinematic viscosity is centi-
stoke cSt. One stoke is equal to a cm²/s. Determine the
conversion factor between cSt and m²/s.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Facc4c6c7-b012-4bc1-83f5-fcd0f7ec022d%2Fd00edc30-5fe9-4961-a077-bd1f6b9cbfb4%2Fcegko8d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.3
A mixture of two liquids of equal volume is made, the one
has a relative density of 0,8 and the other a density of 980
kg/m³. What will the weight of 2 500 litres be?
1.4
1.5
1.6
15
1.7
[21830 N]
A solid block of stone with a relative density 4 is broken
down and crushed to an average size of 20 mm. If the stone
originally had a volume of 50 m³, how many truck loads with
a volume of 2 m³, will it take to transport the crushed
stone if 25 of the crushed stone has a mass of 80 kg. Has
the relative density changed? How much? Why?
[32 truck loads]
Use table 1.4.2 to determine the kinematic viscosity of
crude oil with a density of 855 kg/ m³ at temperatures of
20°C and 100°C.
[9,357 x 10-6 m²/s; 3,275 x 10-6 m²/s]
Air is used in a sensitive gyroscope to keep the metal
bearing surfaces apart. Will the friction losses in the
bearing be higher, lower or the same if the temperature of
the bearing increases?
A widely used S.I. unit for kinematic viscosity is centi-
stoke cSt. One stoke is equal to a cm²/s. Determine the
conversion factor between cSt and m²/s.
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