# The base of a brass bracket has to be rough ground to remove the unevenness. The 4 wheels available in the store. The appropriate wheel is

1.  A 30 K 12 V

2.  C 90 M 4B

3.  C 30 Q 12 V

4.  C 50 G 8V

4

A 30 K 12 V

Explanation :
No Explanation available for this question

# A drilling machine has to be designed with 8 spindle speeds ranging approximately between 120 to 1200 rpm. The 5th spindle speed is

1.  445

2.  480

3.  620

4.  865

4

445

Explanation :
No Explanation available for this question

# Find the speed range ratio for the drilling machine spindle if the minimum and maximum diameters of the drills used are 5 mm and 25mm respectively and if the machinability indices for the work materials are 120 (brass) and 40 (alloy steel)

1.  3/5

2.  5/3

3.  5

4.  15

4

15

Explanation :
No Explanation available for this question

# If the index crank of a dividing head is turned through one complete revolution and 10 holes in a 30holes circle plate, the work piece turns through (in degrees)

1.  6

2.  12

3.  240

4.  480

4

12

Explanation :
No Explanation available for this question

# The number of defective produced by a six sigma process (in Parts per million) is

1.  5.2

2.  4.2

3.  3.2

4.  2.2

4

3.2

Explanation :
No Explanation available for this question

# Match the following materials with their most appropriate applications: Materials 1. Low carbon steel 2. Stainless steel 3. Gray cost iron 4. Titanium alloys Applications P. Machine tool base Q. Aircraft parts R. Kitchen utensils S. Car body panels

1.  1-P, 2-R, 3-Q, 4-S

2.  1-P, 2-R, 3-S, 4-Q

3.  1-S, 2-Q, 3-P, 4-R

4.  1-S, 2-R, 3-P, 4-Q

4

1-S, 2-R, 3-P, 4-Q

Explanation :
No Explanation available for this question

# He shear angle and shear forces, respectively, are

1.  71.5650, 150.12N

2.  9.2180, 861.64N

3.  18.4350, 751.04N

4.  23.1570, 686.66N

4

18.4350, 751.04N

Explanation :
No Explanation available for this question

# The ultimate shear stress (in N/mm2) of the work material is

1.  235

2.  139

3.  564

4.   380

4

380

Explanation :
No Explanation available for this question

# In a single pass drilling operation, a through hole of 15mm diameter is to be drilled in a steel plate speed is 500rpm, feed is 0.2mm/rev and drill point angle is 1180. Assuming 2 mm clearance at approach and exit, the total drill time (in seconds) is

1.  35.1

2.  32.4

3.  31.2

4.  30.1

4

35.1

Explanation :
No Explanation available for this question

1.  120 πW

2.  240 πW

3.  320 πW

4.  480 πW

4