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1482016 Related Question Answers
1. During tensile test, the percentage of elongation is an indicative of?
creep hardness ductility stiffness
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2. Which flame is used in most of the oxy-acetylene welding ?
oxidizing carburizing reducing neutral
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4. The sand grains suited for small and intricate casting should be ?
fine medium coarse rounded
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5. The best moulding for producing plastic article is?
green sand moulding pit moulding plaster moulding injection moulding
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7. The process used to fix ceramic tool with the tool body is?
welding bracing soldering clamping
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8. A mechanism that locks the lathe carriage to the lead screw for thread cutting is called :
dog clutch shim half nut fly cutter
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9. Which of the following is not prior to the reaming operation ?
drilling tapping boring counter boring
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10. Which of the following machinery use abrasive slurry ?
Electric Discharge Machine Flectro Chemical Machine Ultrasonic Machine Spark Erosion Machine
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11. Surface tension is a phenomenon due to :
cohesion cohesion and adhesion inner diameter only thickness and outer diameter
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12. A tube is specified by :
outer diameter only thickness and inner diameter adhesion cavitation
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13. Cavitation in centrifugal pump is due to :
high discharge pressure high discharge velocity’ high discharge rate low suction pressure
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14. For pumping slurry, the most suitable pump is :
centrifugal pump diaphragm pump jet pump reciprocating pump
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15. Notch is a device for measuring :
flow velocity through a pipeline rate of flow through a pipeline flow velocity through a small channel rate of flow through a small channel
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16. Which of the following turbine is used under low head and high discharge ?
Pelton turbine Francis turbine Tubular turbine Kaplan turbine
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17. A foot-valve provided m a pump is :
pressure control valve direction controlvalve flow control valve pressure relief valve
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18. The Young's modulus is depends on :
stress lateral stress longitudinal stress lateral strain
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19. Maximum compressive stress developed in a transversely loaded rectangular beam is on the?
bottomlayer neutralaxis top layer none of these
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20. When a body just begins to slide over the surface of another body, the maximum frictional force which comes into play is :
sliding friction limiting friction rolling friction kinetic friction
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22. The heat absorbed by water at saturation temperature to get converted into dry steam at the same temperature is called :
sensible heat specificheat total heat latent heat
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23. The ratio between crank shaft speed and cam shaft speed of four stroke 1C engine is :
2 :1 1970-01-01 01:00:59 1970-01-01 01:02:00 1970-01-01 04:00:59
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24. Steam that exit from the nozzle has :
high pressure and high velocity high pressure and low velocity low pressure and high velocity low pressure and low velocity
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25. On a Mollier diagram, the ideal expansion process of a steam turbine can be represented
drawing a vertical line drawing a horizontal line constant temperature line constant dryness fraction line
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