Video Assignment Safety questions

Question 1

What must you wear on all construction sites?

Answer 1

steel toe shoes

Question 2

List three steps you should take before entering a confined space or vessel?

Answer 2

1. pump out or drain
2. mechanical ventilation
3. isolate the vessel/valve off

Question 3

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

Answer 3

d) all of these

Question 4

If any of your Personal Protective Equipment shows defects, is worn-out or cannot be correctly fitted, what should you do?

Answer 4

Report it to your supervisor who will have it repaired
or replaced. Do not begin work until substitute
equipment is obtained.

Question 5

______ gloves are worn when handling hot items or welding

Answer 5

heat-resistant

Question 6

When working with acids or chemicals which type of gloves are used?

Answer 6

Rubber

Question 7

When diluting acid always pour down a ________ and pour

a) water into acid
b) acid into water

Answer 7

glass rod

b) acid into water

Question 8

List two things you should do when arriving on a new job site?

Answer 8

1. first aid location

2. emergency exit location

Question 9

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

Answer 9

e) ALL

Question 10

the maximum working height on any ladder is _________ below the top rung

Answer 10

2 rungs

Question 11

What can happen if you use an ohmmeter on a energized circuit?

Answer 11

damage to the meter and personal injury

Question 12

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.

Answer 12

TRUE

Question 13

Compressed air used for blowing parts clean must be regulated at a pressure of ________ pounds

Answer 13

30

Question 14

TRUE OR FALSE

when a compressed gas cylinder is not in use, the protective cap for the valve should be screwed in place.

Answer 14

TRUE

Question 15

A nitrogen cylinder pressure is over 2000 pounds. To control that kind of pressure you must use a

Answer 15

pressure regulator

Question 16

When would you inspect chains, cables, and slings?

Answer 16

each time before use

Question 17

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

Answer 17

b) lock open and tag all power sources and circuits to and from the equipment. test lockout by trying to start.

Question 18

The acetylene cylinder is stored and use in the ___________ position only

Answer 18

vertical valve-end up

Question 19

What should you use to light oxygen-acetylene torches?

Answer 19

friction lighters

Question 20

Before doing electric arc welding, what should you do first? List 3 items:

Answer 20

1. inspect electrical cables
2. eye protection
3. fire extinguisher nearby

Question 21

Avoid contacting liquid refrigerant with the skin because?

Answer 21

It may cause freezing or frostbite

Question 22

Moderately long loads should be carried ________ never on top of the shoulder

Answer 22

vertically

Question 23

List three things to do before lifting a load:

Answer 23

1. size up the load
2. straight back
3. lift with legs

Question 24

What are three do not’s of lifting?

Answer 24

1. don’t carry on shoulder
2. don’t block line of sight
3. don’t lift with back

Question 25

Which "3" cautions should be observed when pulling?

Answer 25

1. you have good balance 2. you have good leverage 3. there is nothing behind you

Question 26

Fire extinguishers are class (A), (B), (C). Match the class with the type of fire: ___ electric equipment ___ wood, paper, trash ___ gas, oil, liquid

Answer 26

C A B

Question 27

Fire extinguishers require periodic maintenance. List 3 maintenance operations you should do. Apply it to all types of extinguishers.

Answer 27

1. check pressure gauge ABC 2. weigh gas cartridge A/C 3. check for physical damage

Question 28

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?

Answer 28

Motor burnout

Question 29

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

Answer 29

b) gauge manifold

Question 30

What two things should you do before working on a reciprocating compressor motor terminals?

Answer 30

1. valve off compressor and release all pressure | 2. ensure power is off by locking out

Question 31

You should insure adequate ventilation when welding or flame cutting inside an air handling unit because:

Answer 31

it prevents fumes from migrating through duct work

Question 32

Before working on dampers disconnect their:

Answer 32

Operators

Question 33

List 4 things you should do before servicing a cooling tower:

Answer 33

1. advise customer that system will shut off 2. stop refrigeration machine 3. stop condensing water pump 4. stop cooling tower fan

Question 34

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

Answer 34

b) side door