Test: Machining Processes - 1

# Test: Machining Processes - 1

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## 10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering | Test: Machining Processes - 1

Test: Machining Processes - 1 for Mechanical Engineering 2022 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Machining Processes - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Machining Processes - 1 MCQs are made for Mechanical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Machining Processes - 1 below.
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Test: Machining Processes - 1 - Question 1

### A hole is being drilled in a block of magnesium alloy with a 15 mm drill at a feed of 0.1 mm/rev. The spindle is running at 500 rpm. What is the MW? (in mm3/min)?

Detailed Solution for Test: Machining Processes - 1 - Question 1

Test: Machining Processes - 1 - Question 2

### A 150 mm-long, 75 mm-diameter titanium-alloy rod is being reduced in diameter to 65 mm by turning on a lathe in one pass. The spindle rotates at 400 rpm and the tool is traveling at an axial velocity of 200 mm/min. Calculate the MRR.

Detailed Solution for Test: Machining Processes - 1 - Question 2

Depth of cut,

Test: Machining Processes - 1 - Question 3

### The regulating wheel of a centreless grinder is rotating at a surface speed of 127 mm/s and is inclined at an angle of 5°, Calculate the feed rate of material past the grinding wheel. [sin5° = 0.087, cos5° = 0.996]

Detailed Solution for Test: Machining Processes - 1 - Question 3

The feed rate is merely the component of the velocity in the feed direction, given by
f = Vsinα =127 sin5°
∴ f= 127x0.087 = 11 mm/s

Test: Machining Processes - 1 - Question 4

Consider the following statements:
Flutes are made in the drill:
1. To curl the chip lightly for easier removal
2. To allow the coolant and lubricant to get down to the cutting edge
3. To form the channels through which chips can escape from the hole

Which of these statements are correct?

Detailed Solution for Test: Machining Processes - 1 - Question 4

Purpose of flutes:
- help from the cutting edge of the drill point
- curl the chip lightly for easier removal
- form the channels through which chips can escape from the hole
- allow the coolant and lubricant to get down to the cutting edge

Test: Machining Processes - 1 - Question 5

What does 36 denote in the following marking of the grinding wheel?

5 1 A 36 L 5 V 2 3

Test: Machining Processes - 1 - Question 6

Which one of the following gear manufacturing processes is not based on generation principle?

Test: Machining Processes - 1 - Question 7

A turret lathe is useful for

Test: Machining Processes - 1 - Question 8

Size of a shaper is given by

Test: Machining Processes - 1 - Question 9

In a shaping operation, the average cutting speed Is (stroke length S, number of strokes per minute N, quick return ration R)

Test: Machining Processes - 1 - Question 10

Stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. Overall average speed of operation is

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