Which of these actions is taken to prevent over-pressurizing the torch hoses during equipment setup?
a. Opening the tank valve slowly.
b. Turning the regulator adjusting screw counter-clockwise (out).
c. Turning the regulator adjusting screw clockwise (in).
d. Installing flashback arrestors.
b
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How many times does a piston change direction during one complete diesel cycle?
A. two times B. four times C. six times D. eight times
Which is most like electric current?
A. Restriction B. Pressure C. Flow rate D. Temperature
Air is initially at 25°C. Plot the change in specific internal energy of the air as it is heated to final temperatures ranging between 30°C and 1200°C, considering (a) the specific heats to be constant with cv = 0.718 kJ/kg-K, and (b) the specific heats to be variable
Given: T1 = 25°C What will be an ideal response?
Three attributes are first cost, safety, and environmental concerns. Assigned importance scores are 100, 75, and 50, respectively. The weight for environmental concerns is closest to: (choose one)
(a) 0.44 (b) 0.33 (c) 0.22 (d) 0.11