Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer the following (Any seven question only):[2×7=14]
-
Which of the following tools is primarily used for measuring the thickness of sheet metal accurately?
- Scriber
- Divider
- Micrometer
- Punch
-
The operation of making holes in a sheet metal using a punch and die is called
- Bending
- Shearing
- Punching
- Folding
-
Which joining process uses a filler metal having a melting temperature above 450°C?
- Soldering
- Brazing
- Riveting
- Bolting
-
In arc welding, the heat required for joining is produced by
- Chemical reaction
- Friction
- Electric arc
- Gas flame
-
Which of the following pattern materials is most commonly used for making patterns in small-scale foundries?
- Cast Iron
- Brass
- Wood
- Wax
-
The upper part of a moulding box is called
- Drag
- Core
- Cope
- Sprue
-
Which type of file is commonly used for finishing flat surfaces?
- Round File
- Half-Round File
- Flat File
- Square File
-
The tool used for making external threads on a rod is called
- Tap
- Die
- Chisel
- Punch
-
Which woodworking machine is primarily used to reduce the thickness of a wooden board and obtain a smooth surface?
- Band Saw
- Circular Saw
- Thickness Planer
- Wood Working Lathe
-
Which forging operation is used to increase the cross-sectional area of a metal workpiece by reducing its length?
- Drawing
- Fullering
- Upsetting
- Swaging
Q.2 (a) Explain the various types of sheet metal materials used in workshop practice. Mention their properties and applications.[7]
(b) Describe the tools used in sheet metal work with their functions.[7]
Q.3 (a) Explain the basic sheet metal operations.[7]
(b) Explain the procedure for fabrication of a hexagonal box with a cap using sheet metal.[7]
Q.4 (a) Classify the joining processes and explain Brazing and Soldering.[7]
(b) Explain Arc Welding and Gas Welding with their advantages and applications.[7]
Q.5 (a) Explain the different pattern materials and types of patterns used in foundry practice.[7]
(b) Describe the Sand-Casting process with neat sketch.[7]
Q.6 (a) Explain the various fitting tools used in a fitting shop and their functions.[7]
(b) Describe the classification of files and explain the methods of filing.[7]
Q.7 (a) Write the procedures of marking, sawing, and chipping operations in a fitting shop.[7]
(b) Explain the types of wood, seasoning of wood and defects in wood.[7]
Q.8 (a) Describe various carpentry tools and explain common carpentry joints.[7]
(b) Explain the forging tools and equipment and describe various forging operations used in a smithy shop.[7]
Q.9 Write short note on any two of the following:[7×2=14]
- Moulding Sand and its Types
- Safety and Precautions in Fitting Shop
- Safety and Precautions in Carpentry Shop
- Safety and Precautions in Smithy Shop
