Question

question 21
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technician a torques critical parts using an impact wrench. technician b torques critical parts with an air ratchet. who is correct?
select one:
o a. a only
o b. b only
o c. both a and b
o d. neither a nor b

Explanation:

An impact wrench is used for loosening or tightening fasteners with high torque, but it is not suitable for torquing critical parts as it may over - torque or under - torque. An air ratchet is mainly used for removing or installing fasteners in tight spaces and also not for precise torquing of critical parts. Critical parts require a torque wrench (not impact wrench or air ratchet) for accurate torque application.

Answer:

d. neither A nor B