Video Assignment Safety questions Flashcards
What must you wear on all construction sites?
steel toe shoes
List three steps you should take before entering a confined space or vessel?
- pump out or drain
- mechanical ventilation
- isolate the vessel/valve off
Before putting on any_ piece of Personal Protective Equipment, you should examine it to see if there are any defects that might make it ineffective. Why does this apply particularly to respiratory devices?
a) They are usually somewhat more complicated.
b) They .must fit absolutely tight,· no leaks allowed.
c) Under certain conditions a defect could lead to
injurys
d. All of these
d) all of these
If any of your Personal Protective Equipment shows defects, is worn-out or cannot be correctly fitted, what should you do?
Report it to your supervisor who will have it repaired
or replaced. Do not begin work until substitute
equipment is obtained.
______ gloves are worn when handling hot items or welding
heat-resistant
When working with acids or chemicals which type of gloves are used?
Rubber
When diluting acid always pour down a ________ and pour
a) water into acid
b) acid into water
glass rod
b) acid into water
List two things you should do when arriving on a new job site?
- first aid location
2. emergency exit location
When working with airborne fibreglass or asbestos dust which equipment must be worn?
a) air purifying respirators
b) gloves
c) coveralls
d) head gear and foot covering
e) all
e) ALL
the maximum working height on any ladder is _________ below the top rung
2 rungs
What can happen if you use an ohmmeter on a energized circuit?
damage to the meter and personal injury
TRUE OR FALSE
do not take ohm measurements or make continuity checks on a reciprocating compressor until you are sure all power is off to the unit, including the crankcase heater.
TRUE
Compressed air used for blowing parts clean must be regulated at a pressure of ________ pounds
30
TRUE OR FALSE
when a compressed gas cylinder is not in use, the protective cap for the valve should be screwed in place.
TRUE
A nitrogen cylinder pressure is over 2000 pounds. To control that kind of pressure you must use a
pressure regulator
When would you inspect chains, cables, and slings?
each time before use
For your protection before working with electrical conductors or related equipment you must:
a) use metal ladders
b) lock open and tag all power sources and circuit to and from the equipment. test lockout by trying to start
c) call a qualified electrician
b) lock open and tag all power sources and circuits to and from the equipment. test lockout by trying to start.
The acetylene cylinder is stored and use in the ___________ position only
vertical valve-end up
What should you use to light oxygen-acetylene torches?
friction lighters
Before doing electric arc welding, what should you do first? List 3 items:
- inspect electrical cables
- eye protection
- fire extinguisher nearby
Avoid contacting liquid refrigerant with the skin because?
It may cause freezing or frostbite
Moderately long loads should be carried ________ never on top of the shoulder
vertically
List three things to do before lifting a load:
- size up the load
- straight back
- lift with legs
What are three do not’s of lifting?
- don’t carry on shoulder
- don’t block line of sight
- don’t lift with back
Which “3” cautions should be observed when pulling?
- you have good balance
- you have good leverage
- there is nothing behind you
Fire extinguishers are class (A), (B), (C). Match the class with the type of fire:
___ electric equipment
___ wood, paper, trash
___ gas, oil, liquid
C
A
B
Fire extinguishers require periodic maintenance. List 3 maintenance operations you should do. Apply it to all types of extinguishers.
- check pressure gauge ABC
- weigh gas cartridge A/C
- check for physical damage
Once a reciprocating compressor is open, be careful not to let the oil come in contact with your skin, the oil may be acidic. What condition could cause this acidic conditions?
Motor burnout
Anytime you’re checking a system, charging or purging a reciprocating compressor you should use:
a) Voltohmeter
b) gauge manifold
c) ohm’s law
d) halide leak detector
b) gauge manifold
What two things should you do before working on a reciprocating compressor motor terminals?
- valve off compressor and release all pressure
2. ensure power is off by locking out
You should insure adequate ventilation when welding or flame cutting inside an air handling unit because:
it prevents fumes from migrating through duct work
Before working on dampers disconnect their:
Operators
List 4 things you should do before servicing a cooling tower:
- advise customer that system will shut off
- stop refrigeration machine
- stop condensing water pump
- stop cooling tower fan
You need to service the interior chamber of a cooling tower. The best way to enter is thru the:
a) fan cylinder
b) side door
c) sump
d) air inlet
b) side door
