CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Chemical Engineering
‣
Process Control and Instrumentation
Comments
Question
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their
Options
A. low thermal conductivity.
B. low electrical conductivity.
C. high viscosity index.
D. low flash point.
Correct Answer
low electrical conductivity.
Process Control and Instrumentation problems
Search Results
1. Starting temperature of optical radiation pyrometer is __________ °C.
Options
A. 800
B. 400
C. 1200
D. 1500
Show Answer
Scratch Pad
Discuss
Correct Answer: 800
2. Liquid argon level in a pressurised storage tank (at 3 kg/cm
2
) is measured by a/an
Options
A. gage glass
B. external float gage
C. differential pressure gage
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: differential pressure gage
3. Which of the following controllers has maximum offset?
Options
A.
P
-controller
B.
P
-
I
controller
C.
P
-
D
controller
D.
P
-
I
-
D
controller
Show Answer
Scratch Pad
Discuss
Correct Answer:
P
-controller
4. The amplitude ratio for the sinusoidal response of __________ is < 1.
Options
A. transportation lag
B. first order system
C. second order system
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: first order system
5. __________ thermometer can not measure sub-zero (< 0° C) temperature,
Options
A. Mercury in glass
B. Bimetallic
C. Vapor pressure
D. Resistance
Show Answer
Scratch Pad
Discuss
Correct Answer: Bimetallic
6. The calibration data of a thermocouple with its cold junction at 0°C are given below.
The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple?
Options
A. 3.26 mv
B. 0.80 mv
C. 2.46 mv
D. 2.43 mv
Show Answer
Scratch Pad
Discuss
Correct Answer: 2.46 mv
7. Turbine flow meters are suitable for
Options
A. very limited flow ranges.
B. cryogenic flow measurements.
C. aerospace and in air borne applications.
D. both (b) and (c).
Show Answer
Scratch Pad
Discuss
Correct Answer: both (b) and (c).
8. Which of the systems having the following transfer function is stable?
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
9. Use of
I
-control along with
P
-control facilitates
Options
A. elimination of offset
B. reduction of offset
C. reduction of stability time
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: elimination of offset
10. The transfer function for a first order process with time delay is
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
Comments
There are no comments.
Enter a new Comment
Save
More in Chemical Engineering:
Chemical Engineering Basics
Chemical Engineering Plant Economics
Chemical Engineering Thermodynamics
Chemical Process
Chemical Reaction Engineering
Environmental Engineering
Fertiliser Technology
Fluid Mechanics
Fuels and Combustion
Furnace Technology
Heat Transfer
Mass Transfer
Materials and Construction
Mechanical Operations
Nuclear Power Engineering
Petroleum Refinery Engineering
Polymer Technology
Process Control and Instrumentation
Process Equipment and Plant Design
Refractory Technology
Stoichiometry