How is a hot water boiler pressure relief valve tested?
A) By jumping the aquastat and limit, forcing the boiler to operate until the pressure relief valve opens
B) By checking the continuity of its operating coil
C) By lifting the lever located on top of the relief valve
D) By slowly adding nitrogen pressure until the relief valve opens
C
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____ testing is used to determine ductility and soundness.
A. Macro etch B. Bend C. Nick break D. Tensile
Where circular runout is applied to a planar surface at a(n) ____________________ angle to a datum axis, it controls deviations of the circular elements of the plane for wobble, which includes orientation and form deviations of the circular elements.
Fill in the blank(s) with the appropriate word(s).
The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage) and the capacitor has no charge initially. Assume R1 = R2 = R.
What is the steady state voltage across the capacitor if Vdc < 0?
A. Vdc / 2 B. Vdc C. Vdc / 3 D. 2Vdc E. 0 V
Technician Asays that dynamic rear proportioning (DRP) is provided by the Brake Pedal Position (BPP) sensor. Technician B says that dynamic rear proportioning (DRP) is provided by the antilock brake system (ABS). Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B