This seal is used to seal gases in compressors and steam turbines:
A. mechanical seal
B. lip seal
C. stuffing box
D. labyrinth seal
D
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Technician A says the duty cycle of a solenoid is the length of time the solenoid is off during a cycle. Technician B says a PCS works with a VFS to control duty cycles of solenoids. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Name two approaches to HEA that can be effective?
Describe and give an example of how datum features can be specified individually.
What will be an ideal response?
What happens if two vehicles reach at the same time an intersection with four-way stop signs?
a. the driver on the right yields to the driver on the left b. the driver on the left yields to the driver on the right c. the first vehicle to reach the intersection must yield