Mechanical J.E Quiz-26

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Question 1

Which mechanical property determines the stiffness of a material?

• Astress
• Bstrain
• Cmodulus of elasticity
• Dnone of these

Question 2

Kaplan water turbine is used when flow through its runner with axial and head is:

• Amore than 100 m
• Bless than 1 m
• Cmore than 1000 m
• Dbelow 50 m

Question 3

Which one of the following is a single point cutting tool?

• AHacksaw blade
• BMilling cutter
• CGrinding wheel
• DParting tool

Question 4

Automobile radiator is a heat exchanger of ________ type.

• ACounter flow
• BParallel flow
• CCross flow
• DRegenerator

Question 5

Specific weight of sea water is more than that of pure water because it contains ____.

• Adissolved air
• Bdissolved salt
• CDissolved matter with Specific gravity less than Pure water
• DNone of these

Question 6

The magnitude of the coriolis component of acceleration of a slider moving at a velocity V on a link rotating at angular speed is.

• A
• B
• C
• D

Question 7

Why are gear teeth made harder

• ATo avoid wear
• BTo avoid pitting
• CTo avoid abrasion
• DTo avoid tensile strength

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