Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
Which of the following manufacturing processes are classified as material removal processes (2) (a) casting (b) drawing (c) extrusion (d) forging (e) grinding (f) machining (g) molding (h) pressworking (i) spinning |
grinding, machining |
|
|
A lathe is used to perform which on of the following manufacturing operations (a) broaching (b) drilling (c) lapping (d) milling (e) turning |
turning |
|
|
With which one of the following geometric forms is the drilling operation most closely associated (a) external cylinder (b) flat plate (c) round hole (d) screw threads (e) sphere |
round hole |
|
|
A roughing operation generally involves which one of the following combinations of cutting conditions? (a) high v, f, and d (b) high v, low f and d (c) low v, high f and d (d) low v,f, and d where v = cutting speed, f = feed, and d = depth |
low v, high f and d |
|
|
Which of the following are characteristics of the orthogonal cutting model (3) (a) a circular cutting edge is used (b) a multiple-cutting-edge tool is used (c) a single-point tool is used (d) only two dimensions play an active role in the analysis (e) the cutting edge is parallel to the direction of cutting speed (f) the cutting edge is perpendicular to the direction of cutting speed (g) the two elements of tool geometry are rake and relief angle |
only two dimensions play an active role in the analysis, the cutting edge is perpendicular to the direction of cutting speed, the two elements of tool geometry are rake and relief angle |
|
|
The chip thickness ratio is which one of the following (a) tc/to (b) to/tc (c) f/d (d) to/w where tc = chip thickness after the cut, to = chip thickness before the cut, f = feed, d = depth, and w = width of cut |
to/tc |
|
|
Which one of the four types of chip would be expected in a turning operation conducted at low cutting speed on a brittle work material (a) continuous (b) continuous with built-up edge (c) discontinuous (d) serrated |
discontinuous |
|
|
According to the Merchant equation, an increase in rake angle would have which of the following results, all other factors remaining the same (2) (a) decrease in friction angle (b) decrease in power requirements (c) decrease in shear plane angle (d) increase in cutting temperature (e) increase in shear plane angle |
decrease in power requirements, increase in shear plane angle |
|
|
In using the orthogonal cutting model to approximate a turning operation, the chip thickness before the cut to corresponds to which one of the following cutting conditions in turning (a) depth of cut (b) feed f (c) speed v |
feed f |
|
|
Which one of the following metals would usually have the lowest unit horsepower in a machining operation (a) aluminum (b) brass (c) cast iron (d) steel |
aluminum |
|
|
For which one of the following values of chip thickness before the cut to would you expect the specific energy in machining to be the greatest (a) 0.010 in (b) 0.025 in (c) 0.12 mm (d) 0.50 mm |
0.12 mm |
|
|
Which of the following cutting conditions has the strongest effect on cutting temperature (a) feed (b) speed |
speed |
