Q. Which of the following statement is correct regarding power screws?

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Q. A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

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Q. A flange coupling is used to connect two shafts

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Q. The algebraic difference between the maximum limit and the basic size is called

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Q. When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is

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Q. The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then M is equal to

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Q. For longitudinal joint in boilers, the type of joint used is

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Q. A cotter joint is used to transmit

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Q. The maximum efficiency of a square threaded screw is

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Q. The dynamic tooth load is due to

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Q. In a steam engine, the piston rod is usually connected to the crosshead by means of a

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Q. Lewis equation is applied

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Q. A tap bolt has

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Q. According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

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Q. A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.

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Q. The contact ratio for gears is

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Q. A feather key is generally

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Q. If the tearing efficiency of a riveted joint is 50%, then the ratio of diameter of rivet to the pitch is

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Q. The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is

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Q. A riveted joint is a __________ fastening.

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