A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisting it through 0.01 radian, if the shear stress induced is 48 MPa and compressive stress is 57 MPa, the length of the bar whose G = 0.80 × 105MPa is

A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisti

1.	A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisting it through 0.01 radian, if the shear stress induced is 48 MPa and compressive stress is 57 MPa, the length of the bar whose G = 0.80 × 105MPa is
A.	400 mm
B.	350 mm
C.	300 mm
D.	250 mm
Answer» E.

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A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisting it through 0.01 radian, if the shear stress induced is 48 MPa and compressive stress is 57 MPa, the length of the bar whose G = 0.80 &times; 105MPa is

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A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisting it through 0.01 radian, if the shear stress induced is 48 MPa and compressive stress is 57 MPa, the length of the bar whose G = 0.80 × 105MPa is