Question

1. A slot is milled the full length of a steel plate that is 4 12 feet long. This operation takes a total of 2 1/8 minutes. How many feet of steel are cut in one minute? a. 1 15/16 6.2 2/17 c. 2 7/19 d. 3 2. A tube has an inside diameter of 1/2 inch and a wall thickness if 1/16 inch. The tube is to be filled in a drilled hole in a block. What diameter hole should be drilled in the block to give 1/32 inch clearance? 1/2 in b. 5/8 in c. 11/16 in d. 3/4 in a. 3. How many completed bushings each 11.30 millimeters long can be cut from a bar of bronze that is 431.25 millimeters long? Allow 1.89 millimeters waste for each piece. a. 28 b. 32 c. 36 d. 38 4. How much stock per stroke is removed by the wheel of a surface grinder if a depth of 3.125 millimeters is reached after 50 strokes? a. 0.0525 mm b. 0.0575 mm .c. 0.0625 mm d. 0.0675 mm

i need the answers to all four of the problems.

Answer 1

Sol) 25 (3) minutes Cut taben to are 4.5 ft long stw plete sor In Imin. the length of steel plate Eut is which can be 4.5x8 17 10 2 36 2 17 oftion (le correct 2 outside diamety of tube لم ۔ To get (22) Irch clearance, Diameter hole will be a og hole 16 16 t / / / 32 1 ireh option © 16

Yotal length required for I busting 2. ("1.3 + 1.39) 13.19 mm 10, 431.25 mm of bussing from long bar 431.25 13.19 32.69 so, obtained Total 32 completed busting ofstion (6) is correct in ter stroke tock Removed bey wheel 3.125 so 0.0625 ofton © e correct