| 1. | The value of stress concentration factor depends upon ? | |
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material of the part
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geometry of the part
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material and geometry of the part
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none of these
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Report Question| 2. | The metal suitable for bearings subjected to heavy loads is ? | |
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silicon bronze
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white metal
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monel metal
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phosphor bronze
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| 3. | The design of the pressure vessel is based on ? | |
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longitudinal stress
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hoop stress
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longitudinal and hoop stress
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none of these
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| 4. | A bolt has ? | |
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threads for the nut at one end and head at the other end
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head at one end and the other end fits into a tapped hole of one of the parts to be fastened
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threads at both ends
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pointed threads
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| 5. | In case of pressure vessels having closed ends, the fluid pressure induces ? | |
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longitudinal stress
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circumferential stress
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shear stress
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none of these
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| 6. | The cap screws are ? | |
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slotted for a screw driver and are generally used with a nut
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similar to tap bolts except that they are of small size and a variety of shapes of heads are available
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used to prevent relative motion between the two parts
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none of the above
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| 7. | The material generally used for air-craft components is ? | |
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mild steel
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high speed steel
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stainless steel
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aluminium
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| 8. | The railway carriage couplings have ? | |
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square threads
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acme threads
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knuckle threads
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buttress threads
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| 9. | Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation ? | |
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Woodruff key
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Feather key
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Gib-head key
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Tangent key
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| 10. | The maximum shear stress theory is used for ? | |
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brittle materials
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ductile materials
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plastic materials
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non-ferrous materials
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