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)?

Accepted Answer

8840

Answer

7450

Answer

9000

Answer

9480

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.

Accepted Answer

2.2 x 10⁵ mm³/min

Answer

4.6 x 10⁵ mm³/min

Answer

2.9 x 10⁵ mm³/min

Answer

6.1 x 10⁵ mm³/min

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]

Accepted Answer

11 mm/s

Answer

5.2 mm/s

Answer

8 mm/s

Answer

14.2 mm/s

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?

Accepted Answer

1,2 and 3

Answer

1 and 2 only

Answer

1 and 3 only

Answer

2 and 3 only

Question 5

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

5 1 A 36 L 5 V 2 3

Accepted Answer

Abrasive grain size

Answer

Structure

Answer

Manufacturer’s reference

Answer

Nature of abrasive

Question 6

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

Accepted Answer

Gear shaving

Answer

Gear hobbing

Answer

Gear shaping

Answer

Gear milling

Question 7

A turret lathe is useful for

Accepted Answer

large scale production

Answer

small scale production

Answer

medium scale production

Answer

all of these

Question 8

Size of a shaper is given by

Accepted Answer

stroke length

Answer

motor power

Answer

table size

Answer

weight of the machine

Question 9

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

Accepted Answer

Answer

NSR

Answer

NSR/2

Answer

NS (1 + R)

Question 10

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

Accepted Answer

7.5 m/min

Answer

3.75 m/min

Answer

5.0 m/min

Answer

15.0 m/min

Machining Processes - 1 - Free MCQ Practice Test with solutions, GATE ME

MCQ Practice Test & Solutions: Test: Machining Processes - 1 (10 Questions)

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)?

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.

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]

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?

What does 36 denote in the following marking of the grinding wheel?
5 1 A 36 L 5 V 2 3

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

A turret lathe is useful for

Size of a shaper is given by

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

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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Topicwise Question Bank for Mechanical Engineering

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About this Mechanical Engineering Practice Test

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Machining Processes - 1 - Free MCQ Practice Test with solutions, GATE ME

MCQ Practice Test & Solutions: Test: Machining Processes - 1 (10 Questions)

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)?

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.

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]

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 holeWhich of these statements are correct?

What does 36 denote in the following marking of the grinding wheel?5 1 A 36 L 5 V 2 3

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

A turret lathe is useful for

Size of a shaper is given by

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

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

Topicwise Question Bank for Mechanical Engineering

Topicwise Question Bank for Mechanical Engineering

Top Courses for Mechanical Engineering

About this Mechanical Engineering Practice Test

Explore more Mechanical Engineering Study Resources

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)?

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?

What does 36 denote in the following marking of the grinding wheel?
5 1 A 36 L 5 V 2 3