Chemical Engineering MCQs

Page No. 404

Stabilising time for the controllers is the time required for the response to reach _____________ percent of its ultimate value?


a63.2

✖


b87.5

✖


c95

✓


d100

✖


View Answer 95

Thermistors are made of__________________?


aUltra pure metals

✖


bMetal oxides

✓


cIron-copper alloys

✖


dNickel-chromium alloys

✖


View Answer Metal oxides

A pyranometer is an instrument used for measuring the___________________?


aBeam radiation

✖


bGlobal radiation

✓


cBright sunshine period

✖


dNone of these

✖


View Answer Global radiation

The transfer function for an ideal proportional plus reset controller (reset time T) is_______________?


aKc[1 + (1/TS)]

✓


bKc(1 + TS)

✖


cKc/(1 + TS)

✖


dKc/[1 + (s/T)]

✖


View Answer Kc[1 + (1/TS)]

Radiation thermometer cannot measure the temperature ___________________?


aInside a pressure vessel

✖


bOf an object without coming in contact with it

✖


cOf liquid oxygen

✓


dOf moving objects at high temperature

✖


View Answer Of liquid oxygen

Which of the following thermocouples has the least temperature measurement range ?


aCopper-constantan

✓


bChromel-alumel

✖


cPlatinum-platinum/rhodium

✖


dIron-constantan

✖


View Answer Copper-constantan

Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?


a961.93

✖


b630.74

✓


c1064.43

✖


d1261.93

✖


View Answer 630.74

Temperature of _____________ cannot be measured by an optical or radiation pyrometer?


aHot blast (air) from stoves

✓


bMolten slag flowing out of blast furnace

✖


cCombustion space in boilers

✖


dRotary limestone calcination kiln

✖



The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since______________?


aThe function is exponential

✖


bThe Laplace transform of integral of exp(at) has finite values only for s > a

✓


cThe Laplace transform integral of exp(at) has initial values only for s > a

✖


dThe function exp(at) is piece-wise continuous only for s > a

✖



Mercury thermometer can be used to measure the temperature upto ____________ °C?


a100

✖


b250

✖


c250

✓


d750

✖


View Answer 250

Goto Page No.

Page 404 of 843

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan