Chemical Engineering MCQs

Page No. 712

Pick out the wrong statement?


aGross margin = net income – net expenditure


bNet sales realisation (NSR) = Gross sales – selling expenses


cAt breakeven point, NSR is more than the total production cost


dNet profit = Gross margin – depreciation – interest



Nitrogen is an essential component of ____________________?


aMineral salts


bCarbohydrates


cFats


dProteins


View Answer Proteins

The type of high refractive index glass used in optical instruments is _____________ glass?


aPyrex


bFlint


cCrookes


dNone of these


View Answer Flint

Pick out the wrong statement ?


aThe annual depreciation rate for machinery and equipments in a chemical process plant is about 10% of the fixed capital investment


bAnnual depreciation rate of buildings in a chemical plant is about 3% of its initial cost


cInsurance rates on annual basis in a chemical plant may be about 1% of the fixed capital investment


dIn a chemical industry, research and development cost amounts to about 15% of net sales realisation (NSR)



Pick out the wrong statement ?


aWine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively


bProtein catalysts are called enzymes


cThe rate of chemical reaction is independent of the concentration of reactants at high concentration of enzymes


dTotal sugar content in molasses is about 10%



Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?


aPhenol


bNaphthalene


cBenzene


dPyridine


View Answer Benzene

Calgon used in water treatment is chemically ____________________?


aSodium phosphate


bSodium hexametaphosphate


cCalcium phosphate


dTricresyl phosphate



In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 ⇌ 2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by ?


aIncreasing the oxygen concentration


bPutting more quantity of V2O5 catalyst in the converter


cRemoving some quantity of SO3 during intermediate stage


dMaintaining low temperature & pressure in the converter



Coagulant is used _________________ filtration?


aBefore


bAfter


cDuring


dTo avoid


View Answer Before

Dense soda ash used in the manufacture of glass, is chemically represented by__________________?


aNa2CO3


bNa2CO3.10H2O


cNa2CO3.H2O


dNa2HCO3


View Answer Na2CO3.H2O

Goto Page No.

Page 712 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