Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

5th > EPRI > Flashcards

EPRI Flashcards

1
Q

What pressure, in psi, would be indicated by an abbsolute pressure gage that is lying on a work bench not connected to anything?
A.0 B.29 C.14.7 D. 2.9

A

C.14.7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q 
A gage pressure of 195 psi is roughly what is psia?
A.151 
B.164
C.178
D.210
A

D.210

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following will have the highest pressure difference between the surface and 6 in. below the surface?
A. A 12in vertical straw filled with water
B. A 10ft diameter open tank filled with water
C.A 5ft diameter vertical pipe filled with water
D.none of the above

A

D. none of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If a cubic foot of water weighs 62.4 pounds in a 1ft cube, it exerts a pressure of how many pounds per square inch on the bottom of the container?
A.0.036 B.2.308 C.0.433 D. 14.7

A

C.0.433

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Hydrostatic head is another way of expressing:

A.gallons B. pressure C. length D. mass

A

B.Pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

All physical measurements are based on the fundamental quantities of:
A. mass, length, and time
B.density, viscosity, and specific gravity
c. flow, volume, and temperature
D. pressure, density, and specfic gravity

A

A. Mass, length, and time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q 
Gallons per minute is a unit of measurement for:
A.level
B.Flow
C.pressure
D.temperature
A

B.Flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Dividing the density of the process fluid by the density of the ____ gives a dimensionless number called specific gravity.

A. mercury or mercury vapors
B.Oil or natural gas
C.water or air
D. any known liquid or gas

A

C. water or air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q 
As the speed (velocity) of a fluid increases through a restriction, the fluid pressure:
A. increases
B.Decreases
C.Remains unchanged
D.First increases then decreases
A

B.Decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q 
What celsius temperature reading is within an oven temp of 215-220 degrees Fahrenheit?
A.103
B.110
C.329
D.338
A

A.103

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q 
The difference between the indication of the instrument and the actual value of the measure variable is:
A.the controlled variable 
B. Called set point
C.an error in the measuring instrument
D. discarded
A

C. An error in the measuring instrument

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q 
The temp range of a transmitter is 0-200 Degrees F. The output signal range is 3-1 psig. What could be the expected output signal for an input temperature of 150 degree F.
A. 6 psig
B.9 psig
C. 11.25 psig
D.12 psig
A

D.12 psig

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q 
Using ANSI/ISA standards, the red lead from a thermocouple or extension wire is always the \_\_\_\_ lead.
A.positive
B.Negative
C.Neutral
D.Ground
A

B. negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q 
A measurement instrument error is the difference between the actual value of the measured variable and \_\_\_\_\_.
A. its true value
B.the calibration standard
C.input and output signals
D. the indication of the instrument
A

D. the the indication of the instrument

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q 
To ensure the accuracy of a pneumatic controller throughout its range, you must precisely adjust all of the following EXCEPT:
A.supply pressure
B.Input
C.Span
D. zero
A

A.supply pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q 
A device that converts AC to DC is called a\_\_\_\_.
A.rectifier
B.ratio station
C.differential amplifier
D.Comparator
A

A. rectifier

17
Q 
A test instrument that displays a waveform is a \_\_\_\_\_.
A function generator
B.ammeter
C.multimeter
D.oscilloscope
A

D. oscillioscope

18
Q 
If an open tube manometer indicates 6.11 in of HG, what is the pressure measurement?
A.2 psi
B.3psia
C.17.89 psig
D.3 psig
A

D. 3psig

19
Q

Which of the following could be used to calibrate a pressure gage 0 to 800 PSI?

a. dead weight tester
b. a mercury manometer
c. the plant instrument air supply
d. multimeter

A

A.dead weight tester

20
Q 
2 psi is equal to \_\_\_\_ inches of water.
A.1
B.27.7
C.14.7
D.55.4
A

D. 55.4

21
Q 
Which of the following is usually adjusted first when calibrating an electronic pressure transmitter?
A.linearity
B.span
C.zero
D.range
A

C. zero

22
Q 
The calibration plot (FIG 1-1) shows that the transmitter does need calibration to correct for:
A. a zero error.
B.  span error
C. both a zero and span error
D. a linearity error
A

A. zero error

23
Q 
The Reynolds No. Determines:
A. the venturi effect
B. the coriolis acceleration
C. the fluid viscosity
D. if the flow is laminar or turbulent
A

D. if the flow is laminar or turbulent

24
Q 
The flow rate in gallons per minute of water with a specific gravity of 1 provided by a pressure differential of 1.0 psi through a fully opened control valve is a definition of \_\_\_\_
a. Cv
B.DP
C. Ov
D.SG
A

A. Cv

25
Q

One significant advantage of an electromechanical actuator is:
A.low cost compared to pneumatic
B.easily made fail safe
C.normally, very low maintenance requirements
D.it does not require clean, dry instrument air

A

D.It does not require clean, dry instrument air

5th (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions