250+ TOP MCQs on Hand Drilling and Gang Drilling and Answers

Machine Tools Multiple Choice Questions on “Hand Drilling and Gang Drilling”.

1. Which of the following machine is portable?
a) hand drill
b) none of mentioned
c) pillar drill
d) column drill
Answer: a
Clarification: Pillar drill and column drill are heavy enough to carry. Hand drill can be driven by hand.

2. Size of hand drill is relatively ______
a) small
b) medium
c) large
d) very large
Answer: a
Clarification: Size of hand drill is relatively small. It is so small that man can hold it in his hand.

3. In hand drill, force on the spindle is_____
a) less
b) more
c) can’t say anything
d) none of the mentioned
Answer: a
Clarification: Generally, force on the spindle is less in this machine as this machine has to be carried by hand-manually. So smaller the force, more easier it to carry in hand.

4. In hand drill, spindle is rotated by aerator system.
a) true
b) false
Answer: a
Clarification: Hand drill is such a small that it can be hold by hand and for that it should be flexible for normal use. For that, generally we provide aerator system for the rotation of the spindle.

5. If you want to make a hole in a switch board, then you will use______
a) table top drill machine
b) pillar drill machine
c) hand drill machine
d) column drill machine
Answer: c
Clarification: Hand drill machine is used for this purpose because it is portable. We can’t move switch board to the machine. Switch board is fixed. So, in order to perform drilling operation in switch board we need a portable device and for that purpose we use hand dril.

6. In which of the following drill machine, number of drills are used simultaneously?
a) table top drill machine
b) pillar drill machine
c) hand drill machine
d) gang drill machine
Answer: d
Clarification: Gang drill is used for this purpose. As the name suggest, gang drill is used for gang production means for large production and for that it uses number of drills simultaneously.

7. Which type of drilling can be done in gang drill machine?
a) progressive
b) parallel
c) both progressive and parallel
d) none of the mentioned
Answer: c
Clarification: Both types of drills can be performed in this machine as number of drills can be used simultaneously.

8. Use of a jig is necessary in gang drill.
a) true
b) false
Answer: a
Clarification: Jig is always needed. Jig provides the replica of actual task.

9. Gang drill is used for______
a) large-batch production
b) small production
c) relatively low production
d) none of the mentioned
Answer: a
Clarification: It is used for large productions because it can produce large number of holes simultaneously.

10. In which of the following, accuracy is more?
a) table top drill
b) hand drill
c) pillar drill
d) gang drill
Answer: d
Clarification: Accuracy is higher in gang drill. We use separate jig for each and every job in gang drill.