Process Control & Instrumentation Mcqs for Chemical


Q.  What is the dynamic error in a critically damped second order instrument for a ramp input (At) ?

a. 0.5 AT
b. 2 AT
c. √(AT)
d. 1.5 AT


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The ____________ of a vapor pressure thermometer is a secondary element ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Thermistors are used in ____________ devices?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The ____________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  For a feed back control system to be stable, the _________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Use of I-control along with P-control facilitates ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Polarograph is meant for the analysis of __________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Response of a system to a sinusoidal input is called _____________ response?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  A mercury barometer measures the _____________ pressure?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches ___________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Strain gage pressure transducers are used to measure _____________ pressures?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Starting temperature of optical radiation pyrometer is ______________ °C?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Emission spectroscopy is used for__________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the systems having following transfer functions is stable ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The response of two tanks of same size and resistance in series is __________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Working principle of radiation pyrometer is based on the ________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following is a desirable characteristic of an instrument ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the ________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm