Mechanical Engineering MCQs

Page No. 29

DuraJomin contains___________________?


a94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

✓


b92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg

✖


c10% aluminium and 90% copper

✖


d90% magnesium and 9% aluminium with some copper

✖



Phosphor bronze contains____________________?


a0.5% of phosphorous

✖


b1% phosphorous

✖


c2.5% phosphorous

✖


dnone of the above

✓


View Answer none of the above

Delta metal is an alloy of__________________?


acopper, zinc and iron

✓


biron, nickel and copper

✖


ciron, lead and tin

✖


diron, aluminium and magnesium

✖


View Answer copper, zinc and iron

Which of the following alloys does not contain tin_________________?


awhite metal

✓


bsolder admiralty

✖


cfusible metal

✖


dphosphor bronze

✖


View Answer white metal

Addition of copper to aluminium results in_____________________?


aimprovement of casting characteristics

✖


bimprovement of corrosion resistance

✖


cone of the best known age and precipitation-hardening systems

✓


dimproving machinability

✖



Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element__________________?


airon

✖


bcopper

✖


caluminium

✖


dnickel

✓


View Answer nickel

Addition of lead and bismuth to aluminium results in_________________?


aimprovement of casting characteristics

✖


bimprovement of corrosion resistance

✖


cone of the best known age and precipitation-hardening systems

✖


dimproving machinability

✓



Constantant an alloy used in thermocouples is an alloy of __________________?


acopper and tin

✖


bcopper and zinc

✖


ccopper and iron

✖


dcopper and nickel

✓


View Answer copper and nickel

German silver contains_________________?


a1% silver

✖


b2.5% silver

✖


c5% silver

✓


d10% silver

✖


View Answer 5% silver

Dow metal contains____________________?


a94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

✖


b92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg

✖


c90% aluminium and 90% copper

✖


d90% magnesium and 9% aluminium with some copper

✓



Goto Page No.

Page 29 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