Q441
Open questionThe number of centers in a crank driven slider crank mechanism is
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Theory Of Machine
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Q442
Open questionThe contact ratio is given by
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Q443
Open questionThe danger of breakage and vibration is maximum
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Q444
Open questionIn a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater tension T1 acts at A and smaller tension T2 at B. Length OA is greater than length OB. In order to apply the brake, the force P at C should
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Q445
Open questionThe cam follower generally used in aircraft engines is
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Q446
Open questionAn involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the
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Q447
Open questionA kinematic chain requires at least
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Q448
Open questionIn a four stroke I.C. engine, the turning moment during the compression stroke is
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Q449
Open questionTypewriter constitutes
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Q450
Open questionThe minimum force required to slide a body of weight W on a rough horizontal plane is
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Q451
Open questionIn a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as
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Q452
Open questionIn a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as
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Q453
Open questionThe displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r1 = Minimum radius of the cam and θ = Angle turned through by the cam)
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Q454
Open questionIn order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at
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Q455
Open questionA spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis
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Q456
Open questionWhich of the following disciplines provides study of relative motion between the parts of a machine?
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Q457
Open questionWhich of the following is a turning pair?
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Q458
Open questionWhen the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
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Q459
Open questionOldham's coupling is the
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Q460
Open questionThe static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the
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