They should know how to successfully take something apart and put it back together again.
The purpose of the pin-indexing system for compressed gas cylinders is to ensure that the correct regulator is used for the cylinder. Thus, Option A is the correct statement.
<h3>What is the purpose of PIN indexing system for cylinders?</h3>
The pin index system refers to a safety system designed to make sure the suitable gas is filled into the suitable cylinder, and that the cylinder will most effectively connect with the correct equipment. The positions of the holes at the cylinder valve correspond with the pins suited for the yoke connected to the equipment.
Therefore, The purpose of the pin-indexing system for compressed gas cylinders is to ensure that the correct regulator is used for the cylinder. Thus, Option A is the correct statement.
Learn more about compressed gas cylinders:
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Whatever ur designing has to fit the requirements.
Knurled drive rolls are used with gas and self shielded flux cored and metal cored wires, which are softer due to the flux inside and the tubular design.
complete question:
Put these expressions in a small program that will demonstrate whether they are true or false. Paste the code, and output from the program into your submission. Use if statements and output a message indicating that the expression is True or False.
a = 5, b = 4, c = 3, d = 2 ;
(a <= b + 1 )
(a < b && c > b)
(a >= c || d >= 5)
( !(a > b) )
( b >= a && ! (d < b) )
Answer:
a = 5
b = 4
c = 3
d = 2
if a <= b + 1 :
print("True")
else :
print("False")
if a < b and c > b :
print("True")
else :
print("False")
if a >= c or d >= 5:
print("True")
else :
print("False")
if not(a > b):
print("True")
else :
print("False")
if ( b >= a and not(d < b) ):
print("True")
else :
print("False")
Explanation:
I used python to write the code
The equivalent of && in python is and while the equivalent of || is or. The equivalent of ! is not in python .
I wrote an if statement to print True for each expression if it is actually true and the else statement print False if the expression is actually false.
For example the first expression says if a is less than or equal to b + 1(5). This statement is actually true so the expression will print True. a is 5 and b plus 1 is 5, so a is equal to 5 which is true.
if a < b and c > b :
Both expression must be true for the if statement to print True. a is not less than b and c is not greater than b so the expression amount to False.
if a >= c or d >= 5:
One expression must be true for the expression to be True. a >= c is true and d >= 5 is false. So the expression amount to True.
not(a > b)
This simply means negate the statement a > b . This gives False.
( b >= a and not(d < b))
b >= a is false
d < b is true
not(d < b) is false
false and false is definitely False
