Mechanical Engineering Questions And Answers :: Machine Design: part1



Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.If a load W is applied instantaneously on a bar; then the stress induced in bar will

be independent of ratio of mass of load W to mass of bar (y)
increase with increase in y
decrease with decrease in y
depend on other considerations
none of the above.

7.Guest's theory of failure is applicable for following type of materials

brittle
ductile
elastic
plastic
tough.

8..Other method of reducing shock load in the above case can be

to decrease length
to increase length
unaffected by length
other factors would decide same
none of the above.

9.The pci Tnissible stress for carbon steel under static loading is generally taken as

2000-3000 kg/pm2
3000-4000 kg/cm2
4000-J500 kg/cm2
7500-10,000 kg/cm2
10,000-15,000 kg/cm2.

10.Stress concentration in static loading is more serious in

ductile materials
brittle materials
equally serious in both cases
depends on other factors
unpredictable.

More Machine Design QUESTIONS AND ANSWERS available in next pages

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