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4

In order to check the clearance between two mating surfaces, a ________ gauge should be used.

A. Ring

B. Plug

C. Feeler

D. None of these

Correct Answer :

C. Feeler


Related Questions

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The temperature of oxy-hydrogen flame is _________ oxyacetylene flame.

A. Same as

B. Less than

C. More than

D. None of these

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Which of the following welding process uses non-consumable electrodes?

A. TIG welding

B. MIG welding

C. Manual arc welding

D. Submerged arc welding

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Structural sections such as rails, angles, I-beams are made by

A. Hot rolling

B. Hot drawing

C. Hot piercing

D. Hot extrusion

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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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The electrodes used in spot welding have a tip of

A. Stainless steel

B. Aluminium

C. Copper

D. Brass

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During hot working of metals

A. Poor surface finish is produced

B. Scale is formed on the metal surface

C. Close tolerances cannot be maintained

D. All of these

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4

According to Indian standards, the total numbers of tolerance grades are

A. 8

B. 12

C. 18

D. 20

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A jolt machine is used to

A. Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

B. Ram the sand harder at the back of the mould and softer on the pattern face

C. Produce uniform sand hardness throughout the mould

D. Produce uniform packing of sand in the mould

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The difference between the upper limit and lower limit of a dimension is called

A. Nominal size

B. Basic size

C. Actual size

D. Tolerance

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The brass and bronze are welded by _________ flame.

A. Neutral

B. Oxidising

C. Carburising

D. All of these

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The algebraic difference between the maximum limit and the basic size is called

A. Actual deviation

B. Upper deviation

C. Lower deviation

D. Fundamental deviation

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4

The cold chisels are made from

A. Cast iron

B. Mild steel

C. High speed steel

D. Cast tool steel

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In sheet metal work, he cutting force on the tool can be reduced by

A. Grinding the cutting edges sharp

B. Increasing the hardness of tool

C. Providing shear on tool

D. Increasing the hardness of die

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4

In average work, the tolerance produced by investment casting method is

A. ±0.05 mm

B. +0.2 mm

C. +05 mm

D. +1 mm

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The punch and die set up is ________ for punching and piercing operation.

A. Same

B. Similar

C. Different

D. None of these

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The recrystallisation temperature of steel is

A. 400°C

B. 600°C

C. 800°C

D. None of these

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4

During cold working process

A. Grain structure is distorted

B. Strength and hardness of metal increases

C. Close dimensional tolerance can be maintained

D. All of the above

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4

The oxygen cylinder is usually painted with

A. Black colour

B. White colour

C. Maroon colour

D. Yellow colour

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4

Lap joints are employed on plates having thickness

A. Less than 3 mm

B. 5 to 10 mm

C. 12.5 mm

D. Above 25 mm

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4

The tolerance produced by shell moulding process of casting is

A. +0.05 mm

B. ±0.2 mm

C. +0.5 mm

D. ±1 mm

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Thermit, used in Thermit welding, is a mixture of

A. Charcoal and iron oxide

B. Charcoal and aluminium

C. Iron oxide and aluminium

D. Charcoal, iron oxide and aluminium

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Which of the following material can be used for making patterns?

A. Aluminium

B. Wax

C. Lead

D. All of these

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4

The cold working of metals is carried out

A. At the recrystallisation temperature

B. Below the recrystallisation temperature

C. Above the recrystallisation temperature

D. At any temperature

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4

The upsetting is a process of

A. Increasing the cross-section of a bar

B. Reducing the cross-section of a bar

C. Joining the two surfaces of metal under pressure after heating

D. Bending of a bar

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4

According to Indian standard specifications, 100 H6/g 5 means that.

A. Basic size is 100 mm

B. Actual size is 100 mm

C. Difference between the actual size and basic size is 100 mm

D. None of the above

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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

In forehand welding, the weld is made

A. From left to right

B. From right to left

C. First from left to right and then from right to left

D. Either from left to right or from right to left

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A casting defect which results in general enlargement of a casting is known as

A. Shift

B. Sand wash

C. Swell

D. Scab

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4

Galvanising is a

A. Zinc diffusion process

B. Process of coating zinc by hot dipping

C. Process used for making thin phosphate coating on steel

D. None of the above

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The property of sand due to which the sand grains stick together is called

A. Collapsibility

B. Permeability

C. Cohesiveness

D. Adhesiveness