Mechanical Engineering MCQs

Page No. 36

Balls for ball bearings are made of_________________?


acast iron

✖


bmild steel

✖


cstainless steel

✖


dcarbon-chrome steel

✓


View Answer carbon-chrome steel

Which is the false statement about wrought iron. It has________________?


ahigh resistance to rusting and corrosion

✖


bhigh ductility

✖


cability of hold protective coating

✖


duniform strength in all directions

✓



Taps, dies and drills contain carbon________________?


abelow 0.5%

✖


bbelow 1%

✖


cabove 1%

✓


dabove 2.2%

✖


View Answer above 1%

Large forgings, crank shafts, axles normally contain carbon up to________________?


a0.05 to 0.20%

✖


b0.20 to 0.45%

✖


c0.45 to 0.55%

✓


d0.55 to 1.0%

✖


View Answer 0.45 to 0.55%

Cold rolled steel sheets contain carbon of the following order___________________?


a0.1%

✓


b0.2%

✖


c0.4%

✖


d0.6%

✖


View Answer 0.1%

Which of the following element results in presence of free graphite in C.I_________________?


acarbon

✖


bsulphur

✖


csilicon

✓


dmanganese

✖


View Answer silicon

The machinability of steel is increased by___________________?


asilicon and sulphur

✖


bphosphorous, lead and sulphur

✓


csulphur, graphite and aluminium

✖


dphosphorous and aluminium

✖



Blast furnace produces following by reduction of iron ore_______________?


acast iron

✖


bpig iron

✓


cwrought iron

✖


dmalleable iron

✖


View Answer pig iron

Melting point of iron is__________________?


a1539°C

✓


b1601°C

✖


c1489°C

✖


d1712°C

✖


View Answer 1539°C

Which of the following elements does not impart hardness to steel__________________?


acopper

✓


bchromium

✖


cnickel

✖


dsilicon

✖


View Answer copper

Goto Page No.

Page 36 of 190

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