Which of the following is used for tightening or loosening nuts and bolts?
A. Screwdriver
B. Pliers
C. Wrench
D. Hammer
Answer:C
Which of the following is used for tightening or loosening nuts and bolts?
A. Screwdriver B. Pliers C. Wrench D. Hammer
Explanation: A wrench, also known as a spanner, is used for tightening or loosening nuts and bolts in electrical work.