• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Process Control and Instrumentation

Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

Which is of higher magnitude
All of these
Directly
With the mercurial thermometer upto 350°C

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their

Low electrical conductivity
Low flash point
Low thermal conductivity
High viscosity index

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Phase margin is equal to

180° - phase lag
Phase lag - 180°
Phase lag + 90°
Phase lag + 180°

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
The level of a liquid under pressure can be determined using

Air-trap system
Differential pressure manometer
Bubbler system
Diaphragm box system

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

68
54
36
12

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is

π/3
π/12
π/6
5π/12

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Process Control and Instrumentation

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑