SAFETY

What is the effect of electric shock at very low voltage levels (Less than 40v)?

• Fibrillation

• Muscles contact

• Burning of the skin

• Unpleasant tingling sensation |

How the overlapping of excess sheet metal causing bulge at seam and edge is prevented?

• Mallet

• Notches

• L - angles

• Square stake

Which artificial respiration method to be avoided to a person with abdomen injury?

• Schafer’s method

• Mouth-to-nose method

• Nose-to-mouth method

• Mouth-to-mouth method |

What is the purpose of wood rasp file?

• 90° corners

• Cutting metals

• Finishing flat edges

• Preliminary rough work

What is the shape of prohibition sign?

• Square |

• Triangular

• Circular

• Rectangular |

Which factor influences the severity of electrical shock?

• Very low DC voltage

• Duration of current passing

• Level of current in micro ampere

• Person receives the shock

Which fire extinguisher is used to put off class C type of fire?

• Foam type

• Jet of water

• C Dry powdered

• Carbon-di-oxide

Which class of fire is classified involving metals?

• Class A

• Class B

• Class C

• Class D

Which is the maximum size of drill bit used in electrical hand drilling machine?

• 0.35 mm

• 1.5 mm

• 3.5 mm

• 6.5 mm

Which tool is used for seaming the funnel like taper?

• Vices

• Angle steel

• Hatchet stak

• Blow horn stake |