Answer:
Explanation:
Cylinders shall be kept far enough away from the actual welding or cutting operation so that sparks, hot s lag, or flame will not reach them. When this is impractical, fire resistant shields shall be provided. Cylinders shall be placed where they cannot become part of an electrical circuit.
Given data:
•) applied voltage = 15 V
•). Resistance = 1000 ohm
Required:
•). The magnitude of current= ?
•••••••••••••SOLUTION•••••••••••••
We can find the relation ship between current, voltage and resistance with the help of Ohms law.
According to ohms law;
V= IR.
Rearranging the above equation;
I= V/ R
Putt the values in the above equation; we get
I= 15V/ 1000ohm
I = 0.015 A( ampere)
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The value of the current would be 0.15 ampere when Resistance is equal to 1000 and that of Voltage is equal to 15 V.
Answer:
The strain is 0.0947.
Explanation:
Strain is the ration of change in dimension to the original dimension under application of load. Depending upon load, the bar may stretch or compress. So, the strain can be negative in case of compression or positive in case of tension.
Step1
Given:
Original length of the steel bar is 0.66 ft or 7.92 in.
Stretch in the bar is of 0.75 in.
Calculation:
Step2
Strain is calculated as follows:
e = 0.0947
Positive sign is for stretching condition of the bar.
Thus, the strain is 0.0947.
Answer:
Explanation:
Let's write the equation of the production rate for the assembly machine :
Where 
is the production rate for the assembly machine.
Where 
is the ideal cycle time
Where n is the number of stations.
Where m is the number stations that get jam when the defect occurs.
Where p is the defect rate at each station.
And where 
is the average downtime per breakdown
We are looking for the hourly production rate ⇒
⇒
⇒
⇒
m = 1.0 in the equation.
Answer:
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