Chemical Engineering MCQs

Page No. 139

Degree of freedom of the system ice-water-vapour will be ________________?


a0


b 1


c2


d 3


View Answer 0

How many molecules per unit cell are there in a face centred cubic lattice ?


a2


b4


c6


d8


View Answer 4

‘Semi steel’ is__________________?


aProduced by adding 10-20% steel to the cupola charge


bStronger than cast iron


cBoth A. and B.


dNeither A. nor B.


View Answer Both A. and B.

Which one occupies the lowermost position in the electromotive series of metals ?


aAluminium


bNoble metals (Ag, Pt, Au)


cZinc


dAlkali metals (K, Na, Li)



If we increase the pressure on a substance (which is at its triple point), then the triple point __________________?


aIncreases


bDecreases


cRemains unchanged


dMay increase or decrease; depends on the substance


View Answer Remains unchanged

Ferric stainless steels compared to austenitic stainless steels________________?


aHave lower corrosion resistance


bAre harder to fabricate


cAre less ductile and hence less suitable for cold pressing


dAll A., B. and C.


View Answer All A., B. and C.

Reduction in the grain size reduces the _______________ of the material?


aFatigue resistance


bTensile strength


cCreep resistance


dAll A., B. & C.


View Answer Creep resistance

Heating of water under atmospheric pressure is an ______________ process?


aIsochoric


b Isobaric


cAdiabatic


d Isothermal


View Answer Isobaric

______________ iron is produced, when molten pig iron is allowed to cool gradually?


aWhite cast


bGrey cast


cWrought


dNone of these


View Answer Grey cast

Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?


aAcidic refractory


bRubber


cKarbate


dLead or acid-proof bricks



Goto Page No.

Page 139 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