Process Control and Instrumentation - Part 1 Online Exam Quiz
Process Control and Instrumentation - Part 1 GK Quiz. Question and Answers related to Process Control and Instrumentation - Part 1. MCQ (Multiple Choice Questions with answers about Process Control and Instrumentation - Part 1
Which of the following is an undesirable dynamic characteristic of an instrument ?
Options
A : Reproducibility
B : Dead zone
C : Time lag
D : Static error
Which of the following is not the triple point of water ?
Options
A : 32°R
B : 273°K
C : 492°R
D : 32°F
Pick out the one which is a first order instrument.
Options
A : Mercury in glass thermometer (without any covering or air gap).
B : Bare metallic thermometer.
C : Bare vapor pressure thermometer.
D : All (a), (b) and (c).
Load cells are used for the measurement of
Options
A : stress
B : weight
C : strain
D : velocity
Which of the following is the dynamic characteristics of an instrument ?
Options
A : Reproducibility
B : Sensitivity
C : Dead zone
D : Fidelity
Pick out the wrong statement.
Options
A : O 2 , NO and NO 2 exhibit paramagnetic properties as a result of unpaired electrons.
B : CO 2 is the strongest paramagnetic gas.
C : Paramagnetic susceptibility of gases decreases with temperature.
D : Paramagnetic susceptibility of gases permits the measurement of their concentration.
The __________ of a vapor pressure thermometer is a functioning element.
Options
A : pointer
B : bourdon tube
C : bulb
D : none of these
A negative gain margin expressed in decibels means a/an __________ system.
Options
A : stable
B : unstable
C : critically damped
D : none of these
Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an
Options
A : insulator
B : conductor
C : solid semi-conductor
D : liquid semi-conductor
Flapper nozzle is used in a/an __________ controller.
Options
A : electronic
B : hydraulic
C : pneumatic
D : none of these
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