Process Control and Instrumentation Quiz 3
1 / 50
Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively ______ ?C?
2 / 50
Liquid flow rate in a small channel is best measured by a/an______?
3 / 50
Liquid discharge from a tank or reservoir cannot be measured by ___________?
4 / 50
Pick out the first order system from among the following ?
5 / 50
Phase lag of the sinusoidal response of a first order system is __________?
6 / 50
Pick out the wrong statement?
7 / 50
Mcleod gauge is used to measure the ___________?
8 / 50
Mercury manometer (U-tube type) exemplifies a _______ order system?
9 / 50
Maximum differential pressure in liquid manometer is _______ psi?
10 / 50
Platinum resistance thermometer can be used upto antimony point which is _____ ?C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
11 / 50
Paramagnetism method is not used for the composition determination of _______ in gases?
12 / 50
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425?C ?
13 / 50
Phase margin is equal to________?
14 / 50
Polarisation of light forms the working principle of a_______?
15 / 50
Mcleod gauge measures the ______ pressure?
16 / 50
Load cells are used for the measurement of ___________?
17 / 50
Mercury thermometer can be used to measure the temperature upto _____ ?C?
18 / 50
On-off controllers are normally used for_________?
19 / 50
Photoelectric pyrometers are suitable in the temperature range of _________ ?C?
20 / 50
In Bode plot, ? vs. ? is plotted on a/an _______ graph paper?
21 / 50
Pressure of 0.01 psi (absolute) can be measured by _______ gauge?
22 / 50
Pirani gauge is used for the measurement of_________?
23 / 50
On-off control which is a special case of proportional control, has a band width of about ______ percent?
24 / 50
pH meter has ______?
25 / 50
Non-metallic diaphragm used as pressure sensor in instruments is generally made of___________?
26 / 50
Liquid column manometers are used for measuring the pressure _______ kgf/cm2?
27 / 50
Pick out the wrong statement ?
28 / 50
Measurement of pressure in ammonia reactor is done by ___________?
29 / 50
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their ?
30 / 50
Nichol?s chart deals with ___________?
31 / 50
Mass spectrometer is used for the composition analysis of______?
32 / 50
Phase lag of the frequency response of a second order system to a sinusoidal forcing function_______?
33 / 50
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of ______ ?C?
34 / 50
Optical activity of a solution can be determined using a _____?
35 / 50
Pressure of 0.0001 absolute psi can be measured by ______ gauge?
36 / 50
Pick out the one which is a first order instrument ?
37 / 50
Liquid levels in autoclaves are measured by _________?
38 / 50
Measurement of sub-zero Celsius temperature in industry is done most commonly by ___________?
39 / 50
In second order underdamped system ?
40 / 50
Liquid flow rate in an open channel cannot be measured by a/an ___________?
41 / 50
Platinum resistance thermometer is the international standard for temperature measurement between ___________?
42 / 50
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the _________?
43 / 50
44 / 50
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a_________?
45 / 50
Polarograph is meant for the analysis of ___________?
46 / 50
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is ___________?
47 / 50
Out of the following thermocouple wire insulating material, the highest temperature rating is for_________?
48 / 50
Instrumentation in a plant offers the advantage of________?
49 / 50
Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ______?
50 / 50
Number of poles in a system with transfer function 1/(s2 + 2s2 + 1) is _________?
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