Electrical Engineering MCQs

Page No. 310

Rankine efficiency of a steam power plant____________?


aimproves in summer as compared to that in winter


b improves in winter as compared to that in summer


cis unaffected by climatic conditions


d none of the above



Rankine cycle operating on low pressure limit of p1 an 1 high pressure limit of p2__________?


ahas higher the renal efficiency than the carnot cycle operating between same pressure limits


bhas lower the”nal efficiency than carnot cycle operating between same pressure limit?


chas same thermal efficiency as carnot cycle operating between same pressure limits


dmay be more or less depending upon the magnitude of p1 and p2



Rankine cycle efficiency of a good steam power plant may be in the range of____________?


a15 to 20 per cent


b35 to 45 per cent


c70 to 80 per cent


d90 to 95 per ceut


View Answer 35 to 45 per cent

The overall efficiency of thermal power plant is equal to____________?


aRankine cycle efficiency


bCarnot cycle efficiency


cRegenerative cycle efficiency


dBoiler efficiency x turbine efficiency x generator efficiency



The energy radiated by sun on a bright sunny day is approximately______________?


a700 W/m2


b 800 W/m2


c1 kW/m2


d2 kW/m2


View Answer 1 kW/m2

Solar thermal power generation can be achieved by_______________?


ausing focusing collector or heliostates


b using flat plate collectors


cusing a solar pond


d any of the above system



In fuel cell, the ___________ energy is converted into electrical energy?


amechanical


bchemical


cheat


dsound


View Answer chemical

The main source of production of biogas is__________________?


a human waste


bwet cow dung


cwet livestock waste


dall above


View Answer all above

The proper indication of incomplete combustion is_______________?


ahigh CO content in flue gases at exit


bhigh CO2 content in flue gases at exit


chigh temperature of flue gases


dthe smoking exhaust from chimney



The percentage 02 by volume in atmosphere air is____________?


a21%


b23%


c77%


d79%


View Answer 21%

Goto Page No.

Page 310 of 366

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