11. To prevent accidents and injuries in the workshop you must understand and follow safety rules.
a. True
b. False
c. maybe
d: None of the above.

12. Fuse is used to protect the circuit against earth leakage current.
a. true
b. false
c. maybe
d. none of the above


13. All exposed metal in electrical circuit should be
a. earthed
b. connected together
c. kept away
d. painted​