Safety Flashcards
The minimum width of platforms for heavy trades is
4 feet
When working on a suspended scaffold each worker must be provided a safety belt and lifeline at
Always
A back up warning device must be audible from a distance of
200 feet
A back up warning device is required on a vehicle with a body capacity of at least
2 1/2 yd.³
The maximum depth you can cut a trench without shoring is
5 feet
What is the maximum vertical height for a mechanical duty tube and coupler scaffold
125 feet
When placing a ladder The distance from the wall to the foot of the latter should be equal to
? Of the distance from the ground to the top
One fourth
Every crane Derek or cableway exceeding three tons capacity must be certified every
Year
All guard rails must be able to withstand the load of
13 pounds per square foot
What is the minimum and maximum height of a scaffold guard rail
42 and 45
It is unsafe to use a stepladder taller than how many feet
20 feet
Nails used on the scaffold must be
8D
How many workers can be on a suspended scaffold at once
Two
At work or on the street must wear what color shirt
Orange
In order to be classified high voltage voltage must be greater than
600 V
The minimum allowable oxygen concentration at the work site as
19.5%
Lumber piles must be no higher than how many feet if handled with equipment
20
When must you use safety lines on spiders and swing stages
Always
The operator should inspect and industrial truck forklift tow tractor at least
At the start of the shift
Rolling stage requires locking wheels at
Always
The vertical length of the extended part of the trestle ladder must not be greater than _ The height of the base of the ladder
One half the height
When a ladder is not in use it should be stored
Horizontally
All blasting accidents affecting worker safety must be reported to Dosh
Within 24 hours
The safety valve on the portable air compressor should be popped at least
Once a week
On the silicone polyurethane roof system the silicone coat should be applied no later then how long after foam surface is applied
24 hours
The maximum length for fall protection Harness is
6 feet
At what height is fall protection needed if working on ceilings
7 1/2 feet
A permit from DOSH is required for erecting scaffolds higher than
36 feet
In a 5 foot deep trench you must space ladders no more than _ apart to enable workers to get out an emergency
50 feet
Employers do not have to keep OSHA records of injuries and illnesses
If they have less than 10 employees
Explosives must be kept clear of electrical circuits by at least
25 feet
Fire extinguisher should be serviced every
Year
The general kind of extension cords you should use is
Three prong
A flagger should stand within how many feet of the work area with ? Flag
100feet
16” flag
A tar kettle should be filled no more than ? Of it’s capacity
75%
Extension ladders must overlap at least ?% of the working length
10%
If a piece of heavy equipment breaks down the least practical way of fixing it would be too
Lower the equipment
The color tag placed on the piece of equipment that is unsafe and needs repair is
Red
Permanent or temporary stairways are required in buildings
Two or more stories high
412 pitch roof osha would approve of carrying
Two buckets that once
There must be one toilet for every how many employees on the job site
20
When does OSHA require a new employee need to be trained
Immediately after being hired
Safe access to scaffold platforms must be provided for a scaffold over
All heights
To wash off toxic chemical burns use
Water
Safety devices such as guard rails are required when working on a platform
7 1/2 feet or higher
If a worker must climb to a height of greater than 20 feet landing platforms must be provided every how many feet
20
A safety rail is required if the platform of the scaffold suspended from an overhead support is more than how many feet high
7 1/2 feet
Who should you call for a Dosh permit
District or field office of –Dosh
The maximum height for a letter Jack scaffold is
16 feet
Platforms of suspended scaffold must be less than
14 inches wide
Acoustical ceiling tile should not be installed if humidity is above
80%
I’m a three-story building what type of device would you use to get to the top
Stairway
Employer must provide a first aide kit if they have how many employees
One or more
The type of fire extinguisher used near a hot tar kettle used on a roofing job is
bC
A roofing job site should have fire extinguishers placed
on the roof and one on the ground
It’s a gas line is severed first
Evacuate the area
Employer. Must test the air at a workplace for us Bestos concentration if it exceeds – fibers over an eight hour period
.1
Cranes with booms longer than 60 feet or with a rating of greater than _ tons requires a boom Angle indicator
15 tons
If a material contains more than ? Percent specificity and it is handled in a way that produces dust during construction it must be reported to osha
.1%
Over an eight hour. Employees must not be exposed to more then? The asBestos fibers
.1
When operating a forklift carry the forks
As low as possible
On the one-story building the employer must provide safety railings if the building is? Or more feet high
7 1/2 feet
Medical records regarding asBestos exposure at work place must be kept for at least how many years
30
Latter wrongs must be at least how long
11 1/2 inches
Oh worker must keep how many feet away from an overhead powerline
6 feet
Do not step on the top? Rungs of a ladder without a safety belt
Three
When investigating an active circuit do not
Allow yourself to become grounded
A tool that would require a skirting plug would be
440 V welding machine
The minimum size lumber used to build scaffolding is
2 x 4
It’s a coworker gets a deep gash in his head
Apply direct pressure to the wound
All blasting accidents affecting the worker safety must be reported to Dosh within
24 hours
A safety method not approved by OSHA on a 5:12. Monolithic roof 25 feet high
Warning lines and headers
How many runs on the ladder must be over the roof
Three
What is the minimum amount of weight a safety harness should hold
5000 pounds
Mobile cranes with booms over 200 feet or with a capacity greater than how many tons requires a load indicating device
50 tons
If cables safety belts or nets are not provided a guard rail must be provided open sides or ends of work areas elevated how many feet or higher
7 1/2
A guide for letter placement is to locate the ladder at what degree angle from the floor to the latter
75° angle
The posts ledgers ribbons and bracing for tube and the coupler scaffold must be constructed from? Steel tubing
2 inch outside diameter
How often should the boom angle indicator on a crane be inspected by the operator
Daily
The safest way to handle asBestos is when it is
Dry
Latter wrongs must be ? Apart
12 inches
Safe distance from overhead electrical lines that is 650,000 V is
6 feet
_ requires a constant on and off switch
Circle saw
You must obtain a DOSH permit for the construction of the structure more than
Three stories
What is the longest ladder OSHA allows
44ft
