ফাউন্ড্রি এন্ড প্যাটার্ন মেকিং MCQ
1. In a three piece pattern moulding arrangement, what keeps the alignment between the two parts of the pattern?
Cope
Dowel pins
Drilling tool
Clamping tool
2. What is the shape of a rotary melting furnace?
Spherical
Cuboidal
Cylindrical
Hemi-spherical
3. Which of the following is not a wood planing tool?
Block plane
Scrub plane
Spokeshave
Centre bit
4. Gimlet is which of of the following tool--
Clamping tools
Sawing tool
Drilling tool
Wood planing tool
5. Blast furnace produces following by reduction of iron are-
cast iron
pig iron
malleable iron
wrought iron
6. Which of the following tool is not used for clamping purpose--
C-clamp
Bar clamp
Trammels
Hand vice
7. Which of the following carries the mould cavity where the metal is to be poured?
Casting
Sand
Pattern
Core
8. Which of the following is not a sawing tool?
Coping saw
Pinch dog
Panel saw
Bow saw
9. Which of the following has the lowest melting point?
Cast Iron
White Metal
Steel
Brass
10. Which of the following is not measuring marking or layout tools?
Caliper
Tri-square
T-bevel
Compass saw
11. After how many heats, should the refractory lining be renewed?
50-100
200-300
100-200
300-400
12. What are the drawbacks of metallic pattern?
Excessive weight
Expensive
Difficult to shape
All of the above
13. High refractoriness of a material refers to its--
Slipperyness of the material
Chemical strength towards other material
Strength to withstand at high temperature
Ability to get dissolved in molten metal
14. What is the speed of rotation of melting furnace?
0.5 rpm
2 rpm
1 rpm
3.rpm
15. Which of the following is not a type of a foundry?
Captive foundry
Jobbing foundry
Semi production foundry
Auto production foundry
16. The rotary furnace can have a capacity of 80 tons.
True
False
17. Which of the following is a ferrous foundry?
Brass foundry
Bronze foundry
Zinc-hase foundry
High alloy steel foundry
18. A mallet comes under which type of tool?
Drilling tool
Clamoing tool l
Other pattern maker’s tool
Sawing too
19. Which of the following is not a drilling or boring tool?
Brace
Counter sink bit
Auger bit
Hand vice
20. Cupola produces following material-
cast iron
wrought iron
pig iron
malleable iron