Title: Chapter 12 Quiz
Course: eit233qmweek7module > Section: Week 7 Module

Q: Dry legs can be used to measure the pressure of liquids in pipelines.
- True
- False
A: False

Q: A three-valve manifold is unnecessary because the manometer can open up to the process stream without blowing out the manometer fluid.
- True
- False
A: False

Q: A manometer is an impulse line that is filled with a noncondensing gas.
- True
- False
A: False

Q: A wet leg is an impulse line filled with fluid that is compatible with pressure-measuring device.
- True
- False
A: True

Q: There can be moisture condensation in the connection piping or tubing between a process and a manometer.
- True
- False
A: True

Q: Pressure gauges must be protected from ____.
- pressure pulsations
- high temperatures
- corrosive materials
- all of the above
A: all of the above

Q: ____ is subjecting a mechanical sensor to excessive pressure beyond the design limits of the instrument.
- Corrosion
- Steam condensation
- Overranging
- all of the above
A: Overranging

Q: When a U-tube manometer is used to measure pressure, a single-valve manifold is used with the manometer for easy shutoff and equalizing.
- True
- False
A: False

Q: When a pressure gauge on a boiler is mounted 8' below the top of the water level of the wet leg, the pressure adjustment is ____ psi.
- 0
- 2.51
- 3.47
- 4.33
A: 3.47

Q: Cutting out the manometer is the procedure for operating a manometer's three-way manifold valves to disconnect the manometer from a process.
- True
- False
A: True

Q: ____ cause pressure pulsation in a pipe line.
- Pumps starting and stoping
- Valves opening and closing
- Pipe vibrations
- all of the above
A: all of the above

Q: A common difficulty with manometers that can cause errors in measurement is ____.
- leaking diaphragms
- varying capacitance
- moisture condensation
- all of the above
A: moisture condensation

Q: A technician should ensure that the proper calibration standard is used.
- True
- False
A: True

Q: Pressure gauges equipped with overpressure protection have a(n) ____ response to true pressure changes than pressure gauges without overpressure protection.
- faster
- slower
- equal
- all of the above
A: slower

Q: After the high-pressure valve on a three-way manifold is closed during the manometer disconnect process, a manometer can still contain pressurized fluids.
- True
- False
A: True

Q: There is a single standard definition of the unit "inches of water."
- True
- False
A: False

Q: Fluid can be blown out of a manometer by opening the connection to a process too quickly.
- True
- False
A: True

Q: Pressure seals with integral sealing liquids should not be disassembled due to the difficulty of restoring that integrity.
- True
- False
A: True

Q: High process temperatures can damage a pressure sensor.
- True
- False
A: True

Q: Isolating sealing systems have been developed to protect pressure sensors from corrosive fluids.
- True
- False
A: True

Q: A(n) ____ is a hydraulic pressure-calibrating device that includes a manually operated screw press, a weight platform supported by a piston, a set of weights, and a fitting to connect the device to a gauge.
- oil balance
- deadweight testor
- liquid damped scale
- McLeod gauge
A: deadweight testor

Q: Thermal expansion of a filling fluid due to ambient or process temperature changes has minimal effects on accuracy when the measurement range is ____ psig or more.
- 0
- 5
- 10
- 15
A: 15

Q: Adding enough inlet tubing to allow the process fluid to cool before entering the sensor may ____ the useful temperature range of pressure sensors.
- decrease
- increase
- destroy
- not affect
A: increase