GATE ME · 2022 · ME
Question 53: Mechanics of Materials
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Question 53
MENAT2 marksNeeds review
A shaft AC rotating at a constant speed carries a thin pulley of radius
m at the end C which drives a belt. A motor is coupled at the end A of the shaft such that it applies a torque
about the shaft axis without causing any bending moment. The shaft is mounted on narrow frictionless bearings at A and B where AB = BC = L = 0.5 m. The taut and slack side tensions of the belt are
N and
N, respectively. The allowable shear stress for the material is 80 MPa. The self-weights of the pulley and the shaft are negligible. Use the value of
available in the on-screen virtual calculator. Neglecting shock and fatigue loading and assuming maximum shear stress theory, the minimum required shaft diameter is ______ mm (round off to 2 decimal places). 
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2022ME
GATE ME 2022 · Paper 2
Mechanical Engineering · Original paper archive
- Section
- Mechanical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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