Q. Deep groove ball bearings are used for

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Q. The shear modulus of resilience is proportional to

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Q. In a sawn nut, a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction.

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Q. When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

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Q. In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called

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Q. The longitudinal joint in boilers is used to get the required

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Q. The Lewis equation for gear tooth with involute profile predicts the static load capacity of cantilever beam of uniform strength.

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Q. A basic shaft is one whose

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Q. When the effort is in between the fulcrum and load, the lever is said to be of third type.

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Q. While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

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Q. When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

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Q. In a journal bearing, the load on the bearing is __________ to the axis of the journal.

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Q. An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called

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Q. When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.

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Q. If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as

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Q. The material generally used for air-craft components is

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Q. The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.

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Q. In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing

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Q. The working of metals above the recrystallisation temperature is known as hot working.

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Q. In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks)

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