The severity of water quench sometimes causes:
A) One inch thick sections to harden clear through B) Distortion and cracking
C) Bubbles to form inside the steel D) Lack of hardening in W1 steels
B
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. A motor should be stopped by dynamic braking alone. 2. Dynamic braking is a complex but safe method of emergency or safety braking. 3. Dynamic braking is applied in about one-fifth the time required to set the majority of shunt brakes. 4. There are many different methods of providing dynamic braking for small production equipment. 5. Dynamic braking for an AC squirrel cage motor can be accomplished by connecting direct current to the stator winding.
Technician A says shock absorbers should be replaced if there is a slight oil film on the lower tube. Technician B says shock absorbers should be replaced if they have severe dents in the lower tube. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
____ are the welds, usually small in size, that are made during the assembly to hold all of the parts of a weldment together so they can be finish-welded.
A. Fillet welds B. Tack welds C. Plug welds D. Spot welds
Apply Thevenin’s theorem to find V? in the circuit of Fig. 4.105.
 FIGURE 1.png)