250+ TOP MCQs on Classification of Drilling Machine : According to Number of Flutes and Answers

Machine Tools and Machining online quiz on “Classification of Drilling Machine : According to Number of Flutes”.

1. The flutes are provided for removal of chips.
a) true
b) false
Answer: a
Clarification: It is the property of it. There is a sharp blade which is there along with edge of the flute known as teeth.

2. Which of the following is most commonly used?
a) single flute drill
b) two flute drill
c) three or four flute drill
d) none of the mentioned
Answer: b
Clarification: Two flute drill is commonly used because it is very versatile and has wide applications.

3. Which of the following is rarely used?
a) single flute drill
b) two flute drill
c) three or four flute drill
d) none of the mentioned
Answer: a
Clarification: Single flute drill is rarely used as it has very limited applications.

4. Single flute drill is ______
a) very light
b) very rigid
c) can’t say anything
d) none of the mentioned
Answer: a
Clarification: It is very rigid that’s the reason why it has very small applications.

5. Which of the following is the example of single flute drill?
a) deep hole drill
b) crank shaft hole drill
c) both deep hole drill and crank shaft hole drill
d) none of the mentioned
Answer: c
Clarification: Both are examples of single flute drill. Deep hole drilling is used with large length and comparatively small diameter of drill. Crank shaft hole drill has also wide applications.

6. Which of the following is also known as slot drill?
a) single flute drill
b) two flute drill
c) three or four flute drill
d) none of the mentioned
Answer: c
Clarification: Generally 3 or 4 flute drill is also known as slot drill. Slot drill is a double cutting drill with flat end. It has two radial cutting edges.

7. Gun drill is the example of______
a) single flute drill
b) two flute drill
c) three or four flute drill
d) none of the mentioned
Answer: a
Clarification: It can be easily understood from the classification. Gun drill is a fluted drill. These are used deep drilling.

8. Sometimes soft drills are used to reduce the load path tooth.
a) true
b) false
Answer: a
Clarification: It is the application of soft drill. It is not used for heavy purpose. It is used mostly to reduce the load path tooth.

9. Slot drills are used for making holes with flat ends.
a) true
b) false
Answer: a
Clarification: It is the application of slot drill. It consists of two radial edges.

10. Flutes are the spiral groove, which run to the length of the drill.
a) true
b) false
Answer: a
Clarification: This is the property of flute.The flute allows us to remove material from the metal.

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