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INST335 > Last quiz > Flashcards

Last quiz Flashcards

1
Q

While calculating the size of a flow meter, the value of reference temperature is usually assumed to be

A

68 F

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2
Q

While calculating the size of a flow meter, the value of reference temperature is usually assumed to be

A

20 C

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3
Q

How many different styles of coriolis flow meters are used to measure flow

A

2

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4
Q

Coriolis flow meters are installed to measure volumetric flow

A

false

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5
Q

the region between laminar and turbulent flow is called

A

transition

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6
Q

cylindrical length of pipe with reducing diameter which causes a restriction in the flow, followed by an increasing diameter to produce a gradual pressure recovery

A

venturi

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7
Q

if the value of reynolds number is 3000

A

turbulent flow

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8
Q

metric standard unit for volume flow rate measurement

A

meter cube/day

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9
Q

Vortex shedding frequency is directly proportional to the velocity of the fluid in the pipe and to volumetric flow rate

A

True

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10
Q

The expansion factor Y is an empirical expression used to correct the pressure drop that a compressible fluid experience when it passes through the orifices bore

A

False

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11
Q

cylindrical section of pipe with a reducing diameter which causes a restriction in the flow

A

Nozzle

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12
Q

The beta ration is defined as the ratio of the bore to the inner diameter of the pipe

A

True

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13
Q

flow meter consists of a rotor mounted coaxially in the centre of the meter body

A

Turbine flow meter

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14
Q

Measures the frequency of twisters to determine flow velocity

A

vortex flow meters

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15
Q

A value of expansion factor Y, for incompressible fluids is

A

1

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16
Q

According to metric standard mass flow rate is the number of kilograms of mass flows past a given cross sectional area per second

A

true

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17
Q

Standard SI definition of volume flow rate is the volume of fluid that flows past a given cross sectional area per hour

A

false

18
Q

What is the value of base temperature in degree fahrenheit

A

60F

19
Q

the orifice flow meters use the bernoullis equation to calculate the fluid flow rate by using

A

pressure difference

20
Q

fluid media measurement…meter?

A

Choose option D

21
Q

reynolds number is 230

A

laminar flow

22
Q

flowmeter uses reflected ultrasonic sound to measure the fluid velocity

A

Doppler effect ultrasonic flowmeter

23
Q

a venturi flow meters use the ____ to calculate the fluid flow rate by using the pressure difference between an obstruction in the flow

A

Bernoullis equation

24
Q

The general flow equations are capable to the measurement of all clear, single phase, and homogeneous neutonijans fluids with pipe reynolds number >=4000

A

True

25
Q

The turndown of differential pressure flow meters is the ratio of the ______

A

Maximum flow to the minimum flow they can measure

26
Q

not dependable on the particles in the fluid

A

vortex?

27
Q

what can be determine by measuring the difference in fluid pressure upstream and downstream of the orifice plate

A

volumetric flow rate

28
Q

Ultrasonic waves travel in the same manner as light or microwave, however they can propagate through ________

A

any substance

29
Q

The performance of flowmeters is influenced by a dimensionless unit called the

A

reynolds number

30
Q

NOT a basic requirement of flow measurement

A

low turn down ratio

31
Q

gas used as a reference gas

A

dry air

32
Q

flowmeter that can detect the flow of the conductive fluids only

A

electromagnetic flowmeters

33
Q

Relative density for a gas is defined as a dimension value that expresses the ratio of the density of the flowing fluid to the density of a reference gas as the same temperature and pressure reference conditions

A

False

34
Q

thin, circular metal plate with a hole in the middle that is place in the pipe between two flanges to provide restriction?

A

orifice plate

35
Q

NOT a mass flow rate measurement unit

A

gallon/second

36
Q

Imperial standard unit for volume flow rate measurement

A

gallon/hr

37
Q

flowmeter that must have turbulent type of flow

A

Differential pressure flowmeter

38
Q

slurry type…flowmeter?

A

Magnetic

39
Q

the orifice flow meters use the bernoullis equation to calculate the fluid flow rate by using

A

pressure difference

40
Q

The mass and volume flow rate equations depends on the density of the fluid

A

True

INST335 (3 decks)

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