Chemical Engineering MCQs

Page No. 820

Cementite is in the lamellar form in the _____________________ phase of steel ?


aMartenistic


bBainitic


cPearlitic


dFerritic


View Answer Pearlitic

Limestone is added in the blast furnace (during pig iron manufacture) to______________________?


aForm slag by combining with impurities


bSupply heat by undergoing exothermic reaction with impurities


cReduce the coke consumption


dReduce slag viscosity



The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to _____________ °D ?


a140


b180


c240


d280


View Answer 280

Difference at any instant between the value of the controlled variable and the set point is called the__________________?


aDeviation


bDerivative time


cError ratio


dDifferential gap


View Answer Deviation

Which of the following equipments is used for liquid dispersion ?


aPacked column


bVenturi scrubber


cBubble cap plate column


dWetted wall column


View Answer Venturi scrubber

Which of the following metals cannot be hot worked at room temperature ?


aZinc


bNickel


cLead


dTin


View Answer Nickel

Which of the following phenomenon will exhibit the minimum heat transfer ?


aBoiling


bForced convection in air


cFree convection in air


dConduction in air


View Answer Conduction in air

Corrosion is____________________?


aA physical phenomenon


bA chemical phenomenon


cSame as erosion


dAn uncontrollable phenomenon


View Answer A chemical phenomenon

Super heating of steam is done at constant___________________?


aEnthalpy


bEntropy


cPressure


dVolume


View Answer Pressure

Silicon in steel__________________?


aMakes it usable in almost all magnetic circuits where alternating current is used


bIncreases its electrical resistivity and decreases the hysteresis loss


cIs present upto 5% & 4% respectively when used in transformers & motor armatures


dAll ‘A’, ‘B’ & ‘C’



Goto Page No.

Page 820 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