Chemical Engineering MCQs

Page No. 803

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about _______________ percent ?


a1


b10


c30


d50


View Answer 10

Work done by a/an _________________ process is determined by ∫p. dv ?


aAdiabatic


bQuasi-static


cIsothermal


dIsentropic


View Answer Quasi-static

In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) ?


at = 15 – 0.0065 h


bt = 15 + 0.0065 h


ct = 0.0035 h – 15


dt = 15 – 0.0035 h


View Answer t = 15 – 0.0065 h

Induced draft fans provided in large thermal power plant boilers have __________________ blades?


aForward curved


bBackward curved


cDouble curved


dRadial or straight


View Answer Backward curved

Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?


aA, C, B, D


bD, B, C, A


cD, C, B, A


dD, A, B, C


View Answer D, B, C, A

Wood is a/an ______________ material ?


aAmorphous


bCellular


cHomogeneous


dGranular


View Answer Cellular

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that ?


aCompared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller


bMaintaining vacuum on tube side is more difficult than that on the shell side


cWater velocity can be increased conveniently to increase the overall heat transfer co-efficient


dCondenser can act as a storage unit for condensed steam



Steel balls are manufactured by_____________________?


aSintering


bCasting


cCold heading


dSpinning


View Answer Cold heading

____________________ are normally subjected to sub-zero treatment?


aHighly stressed parts


bGauges or precision parts


cCold rolled sheets


dNon machinable materials



Auto collimator is used to check____________________?


aFlatness


bAngle


cRotor balancing


dRoughness


View Answer Angle

Goto Page No.

Page 803 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