Q. In the levers of third type, the mechanical advantage is __________ one.

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Q. The edges of the boiler plates are bevelled to an angle of

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Q. Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth)

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Q. The stretching in a belt can be controlled by __________ the stress in the belt.

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Q. The distribution of the forces along the length of key fitted in a shaft

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Q. For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle)

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Q. When a cylinder is subjected to a very high internal fluid pressure, the thin cylinder should be used.

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Q. In a full journal bearing, the angle of contact of the bearing with the journal is

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Q. In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be

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Q. A cotter joint is used to connect two __________ rods.

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Q. The product of the diametral pitch and circular pitch is equal to

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Q. If T1 and T2 are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to

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Q. The smallest diameter of an external or internal screw thread is known as

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Q. The process which improves the machinability of steels, but lowers the hardness and tensile strength is

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Q. Which of the following statement is wrong ?

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Q. The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)

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Q. The coefficient of friction between the belt and pulley depends upon the

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Q. The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.

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Q. The pitch diameter is the __________ diameter of an external or internal screw thread.

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Q. When a hole of diameter 'd' is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate)

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