The correct shutoff procedure for an oxyacetylene torch is:
A) Place the torch tip under water until it extinguishes and then shut off the torch valves.
B) Close the oxygen first and then the acetylene.
C) Close the acetylene first and then the oxygen.
D) Close the oxygen and acetylene simultaneously.
B
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In a stick-built glass curtain wall system, the mullions may span floor to floor (called single-span mullion system) or between two floors (called twin-span mullion system). In the single -span mullion system, each mullion must be anchored to the building's structural frame with two supports, one at each end. What are these supports (anchors) called? Which of these two anchors (supports) is
designed to: (i) carry the gravity load of the curtain wall, (ii) accommodate movement in the curtain wall, and (iii) resist the lateral (wind and seismic) load on the curtain wall? What will be an ideal response?
Technician A says that the diameter of a bolt is the same as the wrench size used to remove or install the fastener. Technician B says that the length is measured from the top of the head of the bolt to the end of the bolt. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
For the op amp circuit in Fig. 10.122, obtain V?.
 FIGURE 1.png)
A squeaking sound is heard from the rear drum brakes as the brake pedal is applied and released. Which of these could be the cause?
A) A bent brake shoe B) Dry brake shoe support pads C) Hard spots on the brake drum D) Shoes out of adjustment