Chemical Hazards

As per HMIS system of classification of chemical hazards, Flammable gases are included in?

• Class A

• Class B

• Class C

• Class D

Spilling of solvent containers is an example of --------hazard

• Mechanical

• Electrical

• Chemical

• None of these

For chemical hazard control, what is at the bottom of the control pyramid?

• Personal protection equipment

• Substitution

• Administrative control

• Engineering control

As per HMIS system of classification of chemical hazards, compressed gases are included in?

• Class D

• Class B

• Class C

• Class A

MSDS stands for?

• Manufacturer’s safety data sheet

• Material safety data supplement

• Material safety data sheet

• Manufacturer’s safety data supplement

In hazard management, switching solvent from benzene to toluene in a chemical process follows ----- control.

• Elimination

• Engineering

• Administrative

• Substitution

When sealed pipes are used to transfer toxic or highly flammable solvents, the method of chemical hazard control is popularly known as

• Substitution

• Resuscitation

• Engineering control

• Personal protection

It is defined as the concentration for a normal daily work of 8 h and 40 h work/week, to which almost all workers can be exposed several times day after day with no adverse effects.

• TLV

• TLV-STEL

• TLV-Ceiling

• TLV-time weighted average (TWA)

Following is the Class E sourse of chemical hazards.

• Compressed gas

• Poisonous and infectious materials

• Corrosive materials

• Dangerous reactive materials

Select the chlorinating chemical hazard causing agent.

• Diazomethane

• Phosgene gas

• Sulphuric acid

• Glacial acetic acid