| 1. | The temperature at which the new grains are formed in the metal is known as ? | |
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lower critical temperature
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upper critical temperature
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recrystallisation temperature
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none of these
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Report Question| 2. | The difference between the upper limit and lower limit of a dimension is called ? | |
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nominal size
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basic size
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actual size
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tolerance
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| 3. | According to I.B.R., the thickness of the boiler shell should not be less than ? | |
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4mm
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5mm
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6mm
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7mm
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| 4. | A tap 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. | A cotter joint is used to transmit ? | |
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axial tensile load only
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axial compressive load only
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combined axial and twisting loads
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axial tensile or compressive loads
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| 6. | The centre to centre distance between two consecutive rivets in a row, is called ? | |
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margin
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pitch
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back pitch
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diagonal pitch
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| 7. | A screw is specified by its ? | |
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major diameter
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minor diameter
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pitch diameter
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pitch
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| 8. | In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that ? | |
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the effect of curvature of the cylinder wall is neglected
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the tensile stresses are uniformly distributed over the section of the walls
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the effect of the restraining action of the heads at the end of the pressure vessel is neglected
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all of the above
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| 9. | The longitudinal stress is ............... of the circumferential stress ? | |
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one-half
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two-third
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three-fourth
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double
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| 10. | The eye bolts are used for ? | |
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transmission of power
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locking devices
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lifting and transporting heavy machines
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absorbing shocks and vibrations
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