Chemical Engineering MCQs

Page No. 4

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?


aAmmonium phosphate

✓


b Superphosphate

✖


cTriple superphosphate

✖


dNone of these

✖


View Answer Ammonium phosphate

In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?


aLow pressure

✖


bHigh pressure

✓


cVery high temperature

✖


dAtmospheric pressure; as the pressure has no effect on conversion

✖


View Answer High pressure

Nitric acid is produced on commercial scale in a fertiliser plant by___________________?


aOxidation of ammonia

✓


bCaNO3 + H2SO4 reaction

✖


c Passing air through high voltage electric arc

✖


dNone of these

✖


View Answer Oxidation of ammonia

With increases in pressure, the conversion of Ammonium carbamate into urea___________________?


aIncreases

✓


bDecreases

✖


cRemains unaltered

✖


dCan either increase or decrease depends on biuret content

✖


View Answer Increases

Nitrogen content of urea is about _____________ percent ?


a10

✖


b46

✓


c 80

✖


d94

✖


View Answer 46

Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?


a Urea

✖


bAmmonium nitrate

✓


cCalcium ammonium nitrate (CAN)

✖


dAmmonium sulphate

✖


View Answer Ammonium nitrate

Plant tranquillisers___________________?


aHold back stem growth and halt plants at a desired height

✓


bCause early maturation of plants

✖


cAccelerate ripening of food and grain

✖


dProduce seedless fruit

✖



Raw materials for nitric acid manufacture are___________________?


aHydrogen peroxide, air and water

✖


bAnhydrous ammonia and air

✖


cAnhydrous ammonia, air and water

✓


dWet ammonia, air and water

✖



Pick out the wrong statement ?


aLPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals

✖


bThe minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point

✓


cEach ton of petroleum oil on distillation produces about 30-50 Nm3 of gas

✖


dMaximum yield of naphthalene is obtained on distillation of crude oil

✖



Pick out the wrong statement ?


aHigh concentration of oxygen in flue gas means high stack loss

✖


bGaseous fuels require the least % excess air for complete combustion

✖


c The ratio of fixed carbon to volatile matter percentage in coal is called its ‘fuel ratio’

✖


dCalorific value of natural gas is more than that of LPG

✓



Goto Page No.

Page 4 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