#1
24th September 2014, 12:28 PM
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Mechanical Aptitude Question paper
Will you please provide the Question paper of the Mechanical Aptitude exam?
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#2
24th September 2014, 02:08 PM
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Re: Mechanical Aptitude Question paper
Here is the list of few questions of Mechanical Aptitude Question paper which you are looking for . 1. Seamless rings are made by the process a) Super-plastic forming b) Mandrel forging c) Ring rolling d) Diffusion bonding Ans.: c) Ring rolling 2. Internal defects in material is detected by a) Fluorescent penetrate check b) Red dye check c) Ultrasonic d) Eddy current check Ans.: c) Ultrasonic 3. Smaller the grains in steel a) Higher the tensile strength b) Higher the fatigue strength c) Lower the creep d) All the above Ans.: a) Higher the tensile strength 4. Alloying element which lowers the hardenability in steel a) Cobalt b) Tungsten c) Chromium d) Aluminum Ans.: d) Aluminum 5. Base element in Warp alloy is a) Iron b) Nickel c) Cobalt d) Aluminum Ans.: b) Nickel 6. Glass bead peening on components done to a) Improve creep strength b) Improve fatigue strength c) Improve finish d) Impart further coating Ans.: b) Improve fatigue strength 7. Forging is superior to casting due to a) Better grain direction b) Better flowability c) Less internal defects d) Higher strength Ans.: a) Better grain direction 8. DOE in process control variance is a) Department Of Energy b) Design Of Experiments c) Defects on external areas d) None of the above Ans.: b) Design Of Experiments 9. Strain rate is the lowest in a) Hydraulic press b) Counter blow hammers c) Screw presses d) Drop hammers Ans.: c) Screw presses 10. Titanium is preferred in high pressure compressor blades due to a) Higher strength b) Lower density c) High temperature strength d) Higher strength to weight ratio Ans.: d) Higher strength to weight ratio 11. Austenite is a combination of a) Ferrite + austenite b) ferrite+ cementite c) Ferrite + graphite d) cementite + gamma iron Ans.: b) ferrite+ cementite 12. The unique property of cast iron a) Malleability b) Damping capacity c) Hardness d) Ductility Ans.: b) Damping capacity 13. Charpy test is conducted to measure a) Hardness b) Fatigue resistance c) Brittleness d) Malleability Ans.: c) Brittleness 14. Machinability of a metal depends on a) Tensile strength b) Hardness c) Toughness d) Both (a) & (b) Ans.: d) Both (a) & (b) 15. For pure metals the recrystallization temperature is a) 0.2Tm b) 0.5Tm c) 0.7Tm d) 0.9Tm Ans.: b) 0.5Tm 16. Impurity in the metal and alloy a) Decreases the resistivity b) Increases the resistivity c) No effect d) None of them Ans.: b) Increases the resistivity 17. The increase in hardness due to cold working is called a) cold hardening b) hot hardening c) work hardening d) age hardening Ans.: c) work hardening 18. Steel balls are manufactured by a) casting b) machining c) sintering d) spinning Ans.: d) spinning 19. The mould is housed in a a) flask b) cope c) drag d) cheek Ans.: a) flask 20. Cores are used to a) make desired shapes in the casting b) strengthen moulding sand c) support loose pieces a) remove pattern easily Ans.: a) make desired shapes in the casting |