A shaft carries four masses A, B, C and D of magnitude 10 kg, 20 kg, 15 kg and 25 kg respectively and revolving at radii 100 mm, 50mm, 80 mm and 120mm in planes measured from A at 100 mm, 300 mm and 500 mm. The angles between the cranks measured anticlockwise are A to B = 40°, B to C = 50° and C to D = 150°. The balancing masses are to be placed in planes X and Y. The distance between the planes A and X is 50 mm, between X and Y is 350mm. If the balancing masses revolve at a radius of 50 mm, find the magnitude for mass on plane X (consider plane X as the refernce plane). Select one: A. 78.8 kg B. 68.8 kg C. 98.8 kg D. 48.8 kg For the data given in Question 4, find the magnitude for mass on plane Y (consider plane X as the reference plane). Select one: A. 59.1 kg B. 69.1 kg C. 99.1 kg D. 49.1 kg
A shaft carries four masses A, B, C and D of magnitude 10 kg, 20 kg, 15 kg and 25 kg respectively and revolving at radii 100 mm, 50mm, 80 mm and 120mm in planes measured from A at 100 mm, 300 mm and 500 mm.
The angles between the cranks measured anticlockwise are A to B = 40°, B to C = 50° and C to D = 150°.
The balancing masses are to be placed in planes X and Y. The distance between the planes A and X is 50 mm, between X and Y is 350mm.
If the balancing masses revolve at a radius of 50 mm, find the magnitude for mass on plane X (consider plane X as the refernce plane).
Select one:
A.
78.8 kg
B.
68.8 kg
C.
98.8 kg
D.
48.8 kg
For the data given in Question 4, find the magnitude for mass on plane Y (consider plane X as the reference plane).
Select one:
A.
59.1 kg
B.
69.1 kg
C.
99.1 kg
D.
49.1 kg
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