Q. The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

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Q. The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

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Q. The helix angle for single helical gears ranges from

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Q. In order to withstand resistance to wear, the best profile of gear is

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Q. Which of the following has threads at both ends?

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Q. The ratio of the ultimate stress to the design stress is known as

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Q. According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

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Q. The cam follower extensively used in air-craft engines is

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Q. The minor diameter of a screw thread is also known as outside or nominal diameter.

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Q. The effective stress in wire ropes during normal working is equal to the stress due to

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Q. When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

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Q. A connecting rod should be

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Q. According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be

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Q. When two non-parallel or intersecting but coplaner shafts are connected by gears, the arrangement is known as bevel gearing.

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Q. A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.

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Q. In levers, leverage is the ratio of

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Q. The diameter of washer is generally taken bigger than the nut size.

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Q. Which of the following statement is wrong?

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Q. If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?

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Q. The velocity factor for precision metallic gears cut with high accuracy and operating at velocities upto 20 m/s is equal to

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