A detailed listing of the rules and principles that apply to specific welded products is a _____
a. welding procedure specification
b. welding blueprint
c. welding code
d. site quality standard
c
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A recent trend in corporate settings is to provide each employee with a disaster recovery identification card.
Answer the following statement true (T) or false (F)
An uninsulated gas turbine receives air at 1000 kPa, 800oC, at a mass flow rate of 12.0 kg/s. The air exits at 100 kPa, 420oC. The turbine produces 4.10 MW of power.
(a) Determine the heat transfer rate for the turbine. (b) Using your turbine model, plot the required heat transfer rate for exit temperatures varying between 400°C and 500°C, with the other conditions remaining the same. (c) Using your turbine model and the original conditions, plot the variation in power produced as the heat transfer rate varies between 0.0 MW and -3.0 MW. Given: P1 = 1000 kPa; T1 = 800°C; P2 = 100 kPa; T2 = 420°C; m?= 12.0 kg/s; W?=4.10 MW=4,100 kW; Air (Take State 1 as the inlet, State 2 as the outlet.) Assume: For a turbine, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0
What is the purpose of the oil filter bypass valve and when does it operate?
What will be an ideal response?
A device used to prevent the reverse flow of a liquid is a(n) _____
a. flow switch b. pressure-relief valve c. check valve d. evaporator pressure regulator