Which pressure relief device is essentially an engineered weak point?
A) Fusible plug B) Rupture disk C) Pressure relief valve
B
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Which of the following port-helix metering pump, static timing procedures would provide the least accuracy?
A. high pressure B. timing pin C. transducer and timing light D. electronic
If the hydraulic proportional valve receives a 4-20 mA current loop signal to control the hydraulic cylinder that extends or retracts to set the position of the blade pitch between 0 and 90 degrees, what is the value of the electrical signal needs to be sent to the proportional valve to set the cylinder rod to extend to 75% so the blade pitch is set at 67.5 degrees?
What will be an ideal response?
If a 12V battery is part of a complete series circuit that has a load of 10 Ohms the current flow is:
a. 120 watts b. 120 amps c. 1.2 amps d. 1.2 mA
Consider a long pipe of inner radius r1, outer radius r2, and thermal conductivity k. The outer surface of the pipe is subjected to convection to a medium at T? with a heat transfer coefficient of h, but the direction of heat transfer is not known. Express the convection boundary condition on the outer surface of the pipe.
What will be an ideal response?