When a belt drive is transmitting maximum power,

The property that characterizes a material abbility to be drawn into a wire:

Non-ferrous filler metal is melted into grooves ar as fillet on the mother metal; the base metal is not melted. this is commonly used for joining iron based machine parts or in repair works of some materials. It is called:

Which of the following is not a structural class of steel?

When meshed with a gear, it is used to change rotary motion to reciprocating motion

The concave portion of the tooth profile where it joins the bottom of the tooth space

When the hole is smaller than the shaft, it will take pressure to put the parts together. The allowance is said to be negative and is determined:

The good deoxidizer in steel metling:

It is the loss of carbon from the surface of steel, occuring during rollig, forging and heat treating, when the surrounding medium reacts wih the carbon.

Cold working of steel plates make the metal:.

The ratio of the load on a spring to its corresponding axial deflection.

The process of heating an iron-based alloy to some 100°F above the transformation range with subsequent cooling to below that range in still air at room temperature in order to produce a uniform structure.

Belt slip may take place because of

This is an externally threaded fastener capable of being inserted into holes in assembled parts, or mating with a preformed internal thread or forming its own thread and of being tightened or released by torquing the head.

The function of the clutch in the machine tools is?

Ratio of pitch diameter to the number of teeth

A group of thin steel strips for measuring clearances

Refers to the surface of the gear between the fillets of adjacent teeth.

Which of the following is not used to resemble the shape of tool bit?

A tool with hardened points used for scribing circles or laying of distances

It is producing stock having two different diameters at the end being turned.

The strength of a shaft with a keyway is almost reduced by as much as

What is the common cutting fluids used for cutting metals?

Heating and slow cooling of a solid metal to alter physical and mechanical properties, producing particular microstructure,removig internal stresses and removing gases.

A kind of gear used to transmit motion from one shaft to another shaft at angle to the first

It equalizes the energy exerted and the work done thus preventing excessive or sudden changes of speed:

The yield strength of a regular yellow brass (65 to 75% Cu, 30 to 35%Zn) can be increased/improved by:

A machinery operation whereby done with the work accurately fastened has a reciprocating (forward and backward) motion and the tool head is stationary.

This refers to the permissible deviation of a dimension from a specified basic size.

The process of producing checkers on the surface of a piece by rolling chekered depressions into the surface

The following pertain to joining of metals except:

The best instrument for measuring a thousand of an inch:

An amorphous solid made by fusing silica with a basic oxide

A furnace in melting non-ferrous metals:

Reheating to a temperature below the transformation range followed by any desired rae of cooling to attain properties of the metal

It is a mechanical property which indicates material’s susceptibility to extreme deformation to rolling or hammering.

Any heating or cooling process of steel that produces a rounded globular form of carbide.

What is the common shop practice to prevent solder from running away from surface to be joined?:

Name the type of chuck commonly used for holding workpiece in a lathe operation? Example 3 - jaw universal chuck, 4 - jaw independent chuck.

A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers

The process of adding carbon to the surface of steel by exposing it tp hot carbonaceous solids, liquids or gases - above the transformation temperature.

A hand tool used to measure engine crank web deflections

Which of the following is not part of the head stock

For moderatre speed of mating gears, the ideal ratio of contact is:

Heating of ceratin metals above transformation range and then quenching for the purpose of increasing the hardness.

Used in as cast condition steel casting with carbon content less than__%C

Cutting ahole by means of rotating tool or work may revolve and to the tool remain fixed in the lathe

A machine tool used to sharpern or shape tools by using an abrasive wheel

Heating of metal body to sustainable temperature just below the transformation range for steel and holding it at that temperature for a suitable for reducing the internal residual stresses.

A machining operation whereby the tool reciprocates and the feed is stationary

Liners normally made of:

In majority of machine members, the damping capacity of the material should be

It consists of a ram which is being actuated by the pressure of fluid.

An indefinite property that refers to the ease with which materials can be cut.

The distance between similar, equally spaced tooth surfaces in a given direction and along a given li

It involves the loss of ductility because of physical or chemical change of the material.

In spur gears, which is not an arc distance?

It holds the material to be turned in a lathe machine

Flexible material used to seal pressurized fluids normally under dynamic conditions

A substance with metallic properties, composed of two or more elements of which at least one is a metal.

Considered a maximum safe center distance of sprockets should be____ pitches. Very long center distance cause catenary tension on the chain.

The usual ratio of water to soluble oil used as cutting fluid:

A shaft that transmits power from a central source to individual machines.

The kind of center which is being attached and meshed to the tailstock spindle which is also static while the work is rotating

A gripping device with two or more adjustable jaws set radially

Tooth width measured along the chord at the pitch circle:

For a roller chain drive, the slack side tension is approximately ______ of the tight side tension.

Is the area where metal is melted to form them into a billet.

Is a machine tool, which is used mainly to produce holes in metal parts by the use of rotating bit.

To ensure self -locking in a screw jack, it is essential that the helix angle is

Heating above the transformation range and cooling slowly to soften metal and increase in machining

A lathe machine threading mechanism:

The clearance between the tooth profiles of a gear tooth

It is advised that in rubber belts application?mounting, it should have an initial tension of ___inch/ply.

What type of gear is used for high speed operation?:

Recommend best cutting angle of drill for work on steel or cast iron is__degrees.

Tools usually used in wood pattern making in foundry shop

A mechanism which usually do the indexing in a machine tool:

V-belts operate efficiently at speed of about (fpm):

A kind of chuck which should not be used where extreme accuracy is required

It consists of shaping a piece b bringing it into contact with a rotating abrasive wheel

What type of fit do journal bearings have?

A machining operation whereby the tool rotates while the feed is stationary

Together with annealing, it causes the combined carbon to transform wholly or in part into graphitic or free carbon.

It is the process of deforming a metal physically at temperature below the recrystallization temperature an at a rate to produce strain hardening.

The process of aging a body (metal) at an elevated temperature.

A machine tool used for production of flat surfaces or pieces too large or too heavy to hold in a shaper

It is an alloy of copper with several different elements, one of which is usually tin.

what is a screw fastener with a nut on it

Heating above the transformation range with subsequent cooling to below that range in still air at room temperature to produce uniform structure of metal

Negative allowance is also called

Machine tool used for laying straigth lines on metal surfaces made of sharp tool steel is called:

The sum of addendums and dedendums.

A furnace used in metling ferrous metals:

A kind of thread in which the width of the thread is approximately equal to its depth and the space between the threads is uniform.

It is considered semi-solid lubricant:

In a pair of gears,__ is the plane perpendicular to the axial plane and tangent to the pitch surface.

Hypoid gear is a special type of gear like:

A material that can wear away a substance softer than itself

For an evenly distributed and uniform wear on each meshing gear tooth, the ideal design practice is to consider a _______.