Q. According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be

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Q. The buckling load will be maximum for a column, if

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Q. The cap screws are

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Q. In skew bevel gearing, the axes of shafts are

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Q. A chain drive transmits __________ power as compared to belt drive.

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Q. The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

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Q. A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zig-zag riveting is proposed. Which of the following statement is correct?

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Q. The form factor of a helical gear __________ with the increase in the helix angle.

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Q. The taper on a rectangular sunk key is

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Q. When carbon in the cast iron is in the form of cementite, the cast iron will be of white colour.

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Q. A type of brake commonly used in motor cars is a

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Q. In a nut and bolt, the diameter at which the ridges on the bolt are in complete touch with the ridges of the corresponding nut, is called pitch diameter.

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Q. A double strap butt joint (with equal straps) is

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Q. For a bevel gear having the pitch angle θ , the ratio of formative number of teeth (TE) to actual number of teeth (T) is

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Q. The modulus of elasticity for mild steel is approximately equal to

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Q. A connecting rod subjected to an axial load may buckle with

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Q. When the lubricant is forced between the journal and the bearing by external pressure, the bearing is called hydrostatic lubricated bearing.

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Q. Crushing resistance required to crush the rivet per pitch length is

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Q. Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material)

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Q. The buttress threads have low frictional resistance characteristic of the square threads and have the same strength of V-threads.

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