Q. A screw is said to be a self locking screw, if its efficiency is

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Q. An aluminium member is designed on the basis of

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Q. A plate with a circular hole in the centre is subjected to a pull of P. The maximum stress induced at the edge of the hole is three times of the nominal stress.

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Q. The cold working of metals is carried out __________ the recrystallisation temperature.

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Q. The groove angle of the pulley for rope drive is usually

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Q. When percentage of carbon in steel is increased, the ductility of steel decreases.

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Q. The shock absorbing capacity of a bolt may be increased by

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Q. A lap joint is always in single shear.

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Q. If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

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Q. The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using

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Q. The ratio of pitch circle diameter in millimetres to the number of teeth, is called

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Q. According to Indian standard specifications, 100 H6/g5 means that

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Q. Rankine Gordon formula for buckling is valid for

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Q. The angle of twist of shaft is

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Q. A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be

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Q. The radial distance from the __________ to the clearance circle is called working depth.

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Q. The efficiency of a square threaded screw is maximum if the helix angle is equal to (where φ = Angle of friction)

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Q. In designing thick cylinders, the equation used is

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Q. A double fillet welded joint with parallel fillet weld of length l and leg s is subjected to a tensile force P. Assuming uniform stress distribution, the shear stress in the weld is given by

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Q. Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.

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