A rigid coupling is used:
a. to allow the motor to accelerate to full speed before the load is increased.
b. in applications where small amounts of misalignment can be tolerated.
c. to cushion the shock from equipment overloads.
d. more frequently in general power transmission service and permits some misalignment.
a. Incorrect. Rigid couplings are used in applications where only small amounts of misalignment can be tolerated without damage to equipment or decreased performance.
b. Correct. Rigid couplings are used in applications where only small amounts of misalignment can be tolerated without damage to equipment or decreased performance.
c. Incorrect. Rigid couplings are used in applications where only small amounts of misalignment can be tolerated without damage to equipment or decreased performance.
d. Incorrect. Rigid couplings are used in applications where only small amounts of misalignment can be tolerated without damage to equipment or decreased performance.
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