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
In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable.
Options
A. load
B. manipulated
C. controlled
D. none of these
Correct Answer
load
Process Control and Instrumentation problems
Search Results
1. Thermal wells used in temperature measurements should have
Options
A. very thick walls.
B. low emissivity.
C. polished surface.
D. high transmissivity of radiation.
Show Answer
Scratch Pad
Discuss
Correct Answer: high transmissivity of radiation.
2. Which of the following is not a second order instrument?
Options
A. Mercury in glass thermometer with covering.
B. Bare mercury in glass thermometer.
C. Pressure gauge with one bellow, two tubes and a tank.
D. None of these.
Show Answer
Scratch Pad
Discuss
Correct Answer: Bare mercury in glass thermometer.
3. Flow rate of sludge is not measured by a/an
Options
A. orificemeter
B. open weir
C. kennison nozzle
D. both(b)&(c)
Show Answer
Scratch Pad
Discuss
Correct Answer: both(b)&(c)
4. __________ type of element is normally not used in the bimetallic thermometers.
Options
A. Flat spiral
B. Bourdon tube
C. Single helix
D. Multiple helix
Show Answer
Scratch Pad
Discuss
Correct Answer: Bourdon tube
5. __________ controller has the maximum stabilising time.
Options
A. P
B. PD
C. PI
D. PID
Show Answer
Scratch Pad
Discuss
Correct Answer: PI
6. Out of the following themocouple wire insulating material, the highest temperature rating is for
Options
A. teflon
B. ceramic fibre
C. asbestos
D. fibre glass
Show Answer
Scratch Pad
Discuss
Correct Answer: ceramic fibre
7. Which of following error integral is considered as the best criterion in controller settings?
Options
A.
B.
C.
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer:
8. Thermistors are used in __________ devices.
Options
A. voltage measuring
B. temperature measuring
C. temperature compensating
D. both(b)&(c)
Show Answer
Scratch Pad
Discuss
Correct Answer: both(b)&(c)
9. The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to
Options
A. d
B. d
2
C. d
3
D. d
4
Show Answer
Scratch Pad
Discuss
Correct Answer: d
4
10. Stalagmometer is used for the measurement of
Options
A. kinematic viscosity
B. surface tension
C. refractive index
D. optical activity
Show Answer
Scratch Pad
Discuss
Correct Answer: surface tension
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