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
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
Options
A. speed of response
B. reproducibility
C. fidielity
D. static characteristics
Correct Answer
fidielity
Process Control and Instrumentation problems
Search Results
1. Which of the following can not measure a temperature of 1600°C?
Options
A. Platinum resistance thermometer
B. Thermocouple
C. Photo-electric pyrometer
D. Radiation pyrometer
Show Answer
Scratch Pad
Discuss
Correct Answer: Platinum resistance thermometer
2. The frequency response of a first order system, has a phase shift with lower and upper bounds given by
Options
A. - ?, ?/2
B. -?/2, ?/2
C. -?/2, 0
D. 0, ?/2
Show Answer
Scratch Pad
Discuss
Correct Answer: 0, ?/2
3. Specific gravity of a liquid can not be measured by a/an
Options
A. anemometer
B. specific gravity bottle
C. pycnometer
D. hydrometer
Show Answer
Scratch Pad
Discuss
Correct Answer: anemometer
4. Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.
Options
A. no change
B. decrease
C. increase
D. exponential decrease
Show Answer
Scratch Pad
Discuss
Correct Answer: increase
5. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
Options
A. 0-100
B. < 0
C. > 100.
D. > 50
Show Answer
Scratch Pad
Discuss
Correct Answer: > 100.
6. The transfer function for a P-D controller is
Options
A.
K
c
(1+?
D
s
)
B.
K
c
(1 +1/?
D
s
)
C.
K
c
?
D
s
D.
K
c
/?
D
s
Show Answer
Scratch Pad
Discuss
Correct Answer:
K
c
(1+?
D
s
)
7. Flow rate of a river is measured by a/an
Options
A. pitot tube
B. vane meter
C. kennison nozzle
D. open weir
Show Answer
Scratch Pad
Discuss
Correct Answer: vane meter
8. Dead zone is the
Options
A. same as time constant.
B. same as transportation lag.
C. maximum change in the variable that does not change the reading of the instrument.
D. none of these.
Show Answer
Scratch Pad
Discuss
Correct Answer: maximum change in the variable that does not change the reading of the instrument.
9. Which thermocouple can be used to measure a temperature of around 1400°C?
Options
A. Copper-constantan
B. Aluminium-chromel
C. Platinum-platinum+rhodium
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer: Platinum-platinum+rhodium
10. Which of the following thermocouples can measure the maximum temperature?
Options
A. Platinum-rhodium
B. Tungsten-molybdenum
C. Chromel-alumel
D. Iron-constantan
Show Answer
Scratch Pad
Discuss
Correct Answer: Tungsten-molybdenum
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