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4

A mortise gauge is a

A. Striking tool

B. Planing tool

C. Boring tool

D. Marking tool

Correct Answer :

D. Marking tool


Related Questions

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4

Sand wash is a casting defect which

A. Results in a mismatching of the top and bottom parts of a casting

B. Results in general enlargement of the casting

C. Occurs near the ingates as rough lumps on the surface of a casting

D. Occurs as sand patches on the upper surface of a casting

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4

When a pattern is made in three parts, the top part, is known as a

A. Drag

B. Cheek

C. Cope

D. None of these

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4

A rip saw

A. Is a two man saw

B. Is used for cutting along the grains of wood

C. Has a narrow blade with two wooden handles

D. All of the above

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4

A hacksaw blade is specified by its

A. Length

B. Material

C. Width

D. Number of teeth

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4

If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

A. 10 mm/m

B. 16 mm/m

C. 20 mm/m

D. 26 mm/m

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4

A file with 20 teeth in 25 mm is called

A. Rough file

B. Bastard file

C. Second cut file

D. Smooth file

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4

The cutting edge of a chisel should be

A. Hardened

B. Tempered

C. Hardened and tempered

D. Case hardened

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4

In a hot chamber die casting machine

A. Melting pot is separate from the machine

B. Melting pot is an integral part of the machine

C. Melting pot may have any location

D. High temperature and pressure is used

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4

Which of the following welding method uses a pool of molten metal?

A. Carbon arc welding

B. Submerged arc welding

C. TIG arc welding

D. MIG arc welding

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4

Cores are used to

A. Form internal cavities in the casting

B. Improve mould surface

C. Form a part of a green sand mould

D. All of these

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4

Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

A. Drawing

B. Extrusion

C. Rolling

D. Extrusion and rolling

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4

Aluminium is the best material for making patterns because it is

A. Light in weight

B. Easy to work

C. Corrosion resistant

D. All of these

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4

In a four high rolling mill, there are four rolls out of which

A. One is working roll and three are backing up rolls

B. Two are working rolls and two are backing up rolls

C. Three are working rolls and one is backing up roll

D. All of the four are working rolls

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4

The purpose of a riser is to

A. Deliver molten metal into the mould cavity

B. Act as a reservoir for the molten metal

C. Feed the molten metal to the casting in order to compensate for the shrinkage

D. Deliver the molten metal from pouring basin to gate

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4

In welding copper alloys with TIG arc welding

A. Direct current with straight polarity is used

B. Direct current with reversed polarity is used

C. Alternating current is used

D. Any one of these

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4

In a simple die

A. Two or more operations are performed simultaneously at the single stroke of the ram

B. Two or more cutting operations are performed at one station of the press in every stroke of the ram

C. Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

D. None of the above

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4

For gas welding, the pressure desired at the welding torch for oxygen is

A. 7 to 103 kN/m²

B. 70 to 280 kN/m²

C. 280 to 560 kN/m²

D. 560 to 840 kN/m²

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4

The process of decreasing the cross-section of a bar and increasing its length, is called

A. Drawing down

B. Upsetting

C. Spinning

D. Peening

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4

The welding process used to join the ends of two pipes of uniform cross-section, is

A. Spot welding

B. Seam welding

C. Projection welding

D. Upset butt welding

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4

The adhesiveness is the property of sand due to which

A. It evolves a great amount of steam and other gases

B. The sand grains stick together

C. It clings to the sides of a moulding box

D. None of these

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4

A sand employed on the faces of the pattern before moulding, is called

A. Green sand

B. Dry sand

C. Loam sand

D. Parting sand

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A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

A. Shift

B. Sand wash

C. Swell

D. Scab

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4

In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

A. Equal to

B. Smaller than

C. Larger than

D. None of these

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4

The shrinkage allowance for cast iron pattern is

A. 10 mm/m

B. 16 mm/m

C. 20 mm/m

D. 26 mm/m

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4

The metal is subjected to mechanical working for

A. Refining grain size

B. Reducing original block into desired shape

C. Controlling the direction of flow lines

D. All of these

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4

The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)

A. t

B. 1.5 t

C. 3 t

D. 6 t

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4

A two high rolling mill consists of two rolls which rotate

A. At the same speed and in the same direction

B. At the same speed but in opposite direction

C. At different speeds and in the same direction

D. At different speeds and in the opposite direction

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4

The acetylene cylinder is usually painted with

A. Black colour

B. White colour

C. Maroon colour

D. Yellow colour

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4

The cross-section of a chisel is usually

A. Rectangular

B. Square

C. Hexagonal

D. Octagonal

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4

A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?

A. The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction

B. The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction

C. The bottom and middle roll rotate in the same direction

D. Any one of the above