QUESTIONS AND WELL VERIFIED ANSWERS
[ALREADY GRADED A+]
a) chemical compound is formed - ANS✔✔---What happens when two or
more different elements combine?
a) chemical compound is formed
b) atom is created
c) molecule is formed
d) concentration is created
a) Any space which is not actively ventilated by an electrical ventilation
system - ANS✔✔---What is the definition of a confined space?
,a) Any space which is not actively ventilated by an electrical ventilation
system
b) Any space from which exit by an injured worker is difficult
c) Any space where hazardous gas can accumulate or an oxygen deficient
atmosphere can occur
d) Any space where the distance from floor to ceiling is less than 3 metres
a) Amperes - ANS✔✔---The flow of electrical current is measured in
a) Amperes
b) Ohms
c) Volts
d) Watts
b) contain carbon, hydrogen and oxygen - ANS✔✔---What is meant by
the term 'organic compounds'? Chemical compounds that are:
a) not made from carbon
b) contain carbon, hydrogen and oxygen
c) can easily oxidize
d) can dissolve in water
d) 450 - ANS✔✔---The volume of chlorine increases ______ times when
it is depressurized into gas
, a) 100
b) 200
c) 350
d) 450
c) dissolved mineral salts - ANS✔✔---What causes hardness in water?
a) high pH
b) low turbidity
c) dissolved mineral salts
d) alkalinity
b) Kilopascals - ANS✔✔---What units are used to measure water
pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units
a) Exhaust fan - ANS✔✔---Which of the following is NOT an example of
PPE (Personal Protective Equipment)?
a) Exhaust fan
b) SCBA
c) Face shield