Machine Tools Multiple Choice Questions on “Shaper Basics – 1”.
1. In shaper, the tool head consists of_______
a) tool post
b) tool slide
c) clamper box
d) all of the mentioned
Answer: d
Clarification: All mentioned are the parts of tool head. Toolhead of a shaper holds the tool rigidly and provides vertical and angular feed movement.
2. The main parts of shaper are _______
a) base and body
b) ram and tool head
c) crossrail and body
d) all of the mentioned
Answer: d
Clarification: All mentioned are the parts of shaper. Due to these parts, this machine is arranged in such a manner that it can produce flat surfaces easily and perform other operations too.
3. The body of the shaper comprises of ________
a) pillar
b) column
c) frame
d) all of the mentioned
Answer: d
Clarification: All are the parts of shaper. Column and pillar are used to stabilize the machine and are mounted on base. The frame is the basic structure of this machine.
4. The base of the shaper is a heavy cast iron casting.
a) true
b) false
Answer: a
Clarification: As per the construction of the base. It must be made of heavy cast iron casting because the whole machine including pillar, frame, column are mounted on the base. So base must be capable and strong enough to withstand it.
5. Which of the following part of shaper supports the entire load of the machine?
a) base
b) crossrail
c) frame
d) none of the mentioned
Answer: a
Clarification: Base of shaper supports the entire load of the machine. All other parts are mounted on the base. It is the basic foundation of this machine.
6. The base of the shaper is not able to withstand the vibration.
a) true
b) false
Answer: b
Clarification: The base of shaper is able to withstand the vibration. In shaper, reciprocating feed is given so there is always a chance of higher vibration and since the entire machine is mounted on the base it is necessary that this base must be able to withstand vibration for the safety purpose.
7. Drive mechanism consists of ________
a) main drives
b) the gear box
c) quick return mechanism
d) all of the mentioned
Answer: d
Clarification: All are the parts of drive mechanism. Shapers may have drive mechanism or hydraulic mechanism.
8. Quick return mechanism is responsible for ram movement.
a) true
b) false
Answer: a
Clarification: As per the working of quick return mechanism. Whenever there is a need to convert rotary motion into reciprocating motion, quick return mechanism is used.
9. The top of the body provides guideways for______
a) ram
b) crossrail
c) can’t say anything
d) none of the mentioned
Answer: a
Clarification: As per the construction and working of shaper body. Guideways are like a track or path and ram is a reciprocating member of shaper.
1o. Saddle slides along the ram.
a) true
b) false
Answer: b
Clarification: This is false. Saddle slides along the crossrail which holds the table firmly on its top.