Answer:
I think prototype
Explanation:
I hope this helps
please answer got 2 minutes
Answer:
answer is option (C)
that is 60°
In a wire, when elongation is 4 cm energy stored is E. if it is stretched by 4 cm find the energy stored
When is a handrail required for stairs?
Select the best option.
After 3 steps
After 4 steps
After 8 steps
After 11 steps
Answer: after 4 steps :)
Explanation:
A handrail is required after 4 steps. Thus, option second is correct.
What is handrail?A handrail is a rail that is intended to be grabbed by the hand for safety or support. Handrails are known as banisters in the United Kingdom. In a restroom or comparable location, handrails are typically utilized to give physical support or to hold garments.
A railing is necessary if the stair has at least four risers. Handrails must be 30 to 38 inches in length, measured from the leading edge of the stair tread.
Stair railing system: If the system's height is between 36 and 38 inches, the top rail can also act as a handrail. After four steps, a handrail is required. As a result, option two is correct.
Learn more about the handrail here:
https://brainly.com/question/12020583
#SPJ2
Which of the following are hazards associated with portable ladders?
A) Ladder is not positioned correctly
B) Ladder is too long
C) Ladder is not tied off correctly
D) Unsteady ladder
Answer:
A,C, and D
Explanation:
Potible ladders have to configure with many designs in mind but the most evedent is that they are usally unstable
BRAINLIEST PLS
The following are the hazards associated with portable ladders are:
A) Ladder is not positioned correctly
C) Ladder is not tied off correctly
D) Unsteady ladder
What are portable ladders?Portable ladders are those ladders that can be folded and light weighted and made up of plastic or steel. They are portable to be used in homes and indoors.
They are easy to transport and easy to work with because they are lightweight, and they take less space to put them. But as they are lightweight, they will easily fall down.
They contain support behind them, they don't need to tie down and need support, so there are chances of being it unsteady.
Thus, the hazards associated with portable ladders are:
A) Ladder is not positioned correctly
C) Ladder is not tied off correctly
D) Unsteady ladder
To learn more about portable ladders, refer to the link:
https://brainly.com/question/28069347
#SPJ2