📝 [MDSP] QB ID: 0418 | MDSP Elements No. 10

In greater quantity, this element 15 harmful to the molten ferrous metal.

_____ addition imparts resistance to atmospheric corrosion in steel, etc.

Should two equal and opposite collinear forces is added to the forces already in equilibrium, which of the following statement is true?

Iron based alloy containing 9-16% chromium.

A rule of thumb, the speed limit of flywheel rim speed should be 6000 fpm for cast iron material and for cast steel flywheel rim at meters/min.

The distance between rivet center nearest each other in adjacent rows is called:

The purpose of lubrication is as mentioned, EXCEPT:

The process of peening the joint portion immediately after the welding greatly improves the fusion structures, avoids possible cracking, avoids possible distortion, etc. Peening is also called process at the same time.

Resultant of two or more con forces is called:

For stable equipment foundation, the total combined engine, driven equipment and foundation center of gravity must be kept below the foundations top that usually about _____ times the usual total combined weight of the machine it is supposed to support:

All associated with standard materials specification, EXCEPT:

It is ideal for maximum quietness in sprocket drive operation to choose or more teeth.

Shafting up to 3 inches in diameter is usually made from cold rolled steel and the common biggest diameter of cold rolled steel is _____.

Designated pipe color used in communication.

Not part and in fact should not be used in the steel melting process.

It is rigid piece which serves to transmit force from a piece to another piece or cause/control motion.

Type of bolt commonly used in construction that is threaded in bot threaded in both ends.

The normal helix angles in helical gears is recommended in the range of degrees.

The ratio of stress acting on an elastic substance to the decrease in volume per unit volume.

Rule of thumb in calculating the equipment foundation mass should be times the weight of the machinery it is supposed to support.

The welding made along the edges two parallel plates is called:

Class of material exhibiting decreased electrical conductivity with increasing temperature.

Cast iron flywheels are commonly designed with a factor of safety of:

Stress relieving is also for the purpose of reducing the internal stresses of steel material/metal.

A ridge of uniform section in the form of a helix cut around the circumference of a cylinder and advancing along the axis.

Martensite (stainless steel) contains 4 to 26% Cr and a maximum of _____% nickel.

The design stress and factor of safety are related in the following manner.

The material that can cut/wear substances subjected to:

A resulting factor that replace two or more forces acting together.

Peculiar strength of the metal to resist being crushed.

Which of the following is not a viscoelastic material?

Alloy steel used in manufacturing bolts, studs, tubings subjected to torsional stresses.

Method of finishing/shaping a machine part of exceptionally high carbon or high chromium steel parts (or very hard material).

In a chain In a chain drive design for large speed reduction it is preferable to use a double reduction or compound type of transmission instead of single two sprockets transmission. Drives should be so designed that the angle between two tight chain strands does not exceed ___ degrees.

Steel springs are made of high carbon steel, heat treated and/or cold work to a high elastic limit to get good elastic deflection. In general, the carbon content is at

The surface along the fillet curves or between the fillets radius of the two adjacent tooth of a gear.

Not adaptable to welding due to low tensile strength and poor ductility, etc.

Plus or minus tolerance can also be called as

The total machinery weight plus the foundation weight should be well distributed in the corresponding soil area which is enough to cause a bearing stress within the safe bearing capacity of the soil with a factor of safety of _____.

_____ is the plane perpendicular to the axial plane and to the pitch plane. In gears the parallel axes, and the plane of rotation coincide.

The conical surface at the starting end of the thread is called:

It is a good design practice for steel line shafting to consider a limit to the linear deflection of inch/foot length maximum.

The five principal parts of a shaper are, the table, tool, slide, base, ram and _____.

In designing gears for power transmission consider an efficiency of as recommended.

Progressive change of position of a body is called:

The ideal thickness of the cutter at the pitch line for cutting helical gears should be _____ of the normal circular pitch.

In drilling soft materials use cutting angle as low as 40 degrees but for extremely hard material up to _____ degrees is recommended.

The surface of the gear between the fillets of adjacent teeth is called:

An act of cutting out a piece of a desired shape and size.

A research agency handling assistance to all foundry, machine shop and metallurgical plant operation.

The soldering material commonly applied for automobile radiator cores and roofing seams.

A carbon content in the range of steel readily responds to heat treatment.

Web is part of a drill and is usually thicker:

It is a symbol that the work surface should be machined- finished and usually indicated in the drawing and placed on the line that represents the surface to be machined.

Safety features that must be placed and maintained at machine, blacksmith, welding and foundry shops.

Deflection of a beam is:

The amount by which the exceeds the addendum in a given gear/pinion exceeds the addendum of its mating pinion/gear. Also, the radial between the top and the bottom of the mating tooth space.

Axially located rectangular groove in a hub and shaft.

Indicates how many times a volume of material is heavier than an equal volume of water.

Commonly used/produced screws/ bolts/nuts and for engineering applications is a series.

Avoidance of vibration in equipment or machinery foundations, a mass of weight equal to times the forces needed.

It is the name applied to reciprocating circular motion as that of a pendulum.

Nickel-chromium-molybdenum designation, SAE _____.

Moment of inertia is also called:

It is hardening treating whereby a cast metal is being heated to a very high temperature then suddenly subjected to rapid cooling to improve hardenability or wear resistance is called:

Surface connecting the crest and roots of the screw thread.

A good general purpose deoxidizer and promotes fine grain in steel.

Treatment process that produces a residual compressive stress at the surface (which Occupy more volume) and residual tension on the inside that results in considerable increase in fatigue strength for members on torsional/ bending.

The flux that should be avoided in soldering electrical connection commutator wires as it tends to corroded connections.

The characteristic of tool steel shocks and major impacts is due to its _____.

Bevel gears subjected to corrosion and lightly loaded are usually made of _____.

As a rule of thumb, the depth of foundation could be about 3.2 to _____ times the engine stroke.

The application the corrosion circuit reaction to counter the corrosion reaction is called:

A major component of cast steel.

Normally cast iron contains 2% carbon or more and silicon in the range of _____%.

If a set of spur gears are made, installed and lubricated properly, they normally may be subjected to failures like:

From experience specify the conventional limit of flywheel operations to be at 6000 ft/min for cast iron and _____ ft/ min for cast steel.

What equation to use in computing the acceleration of the center of a rolling ball with a diameter of 8 inches.

In a cutting tool the cutting end can also be generally called _____.

What factors can modify the recommended cutting speed of knows work piece?

The material for material for engine radiator is usually made of _____.

What type of leather belting should be used at an ambient temperature above 140° and possible acid liquid coming in contact with the belt?

A machine shop equipment that can flatten horizontally, vertically or angular plane.

A petroleum by-product used as electrodes in an electric arc furnace melting operation.

An example of rectilinear translation:

It does not affect the tensile strength of steel.

Which of the following is an unsafe condition in operating a lathe machine?

Relief angles of single-point cutting test in cutting mild steel, cast iron and other average work as recommend should be in the ranges of degrees for high-speed tools.

Tap not used for cutting threads.

Alloy steel axle under repeated load/ stress will eventually fail if the load/ is above the endurance for the steel under consideration. The endurance limit of the steel is therefore:

All terms and abbreviations deal with wire rope arrangement except this _____ which deals with wire rope material strength.

Mirror finish has surfaces fineness of _____ rms.

Chromium steel (to include heat and corrosion resistant) designation.

Non-metallic material for high melting temperature being used as furnace lining.

For economical cost in the manufact large worm gears, the following are usually applied.

In greater quantity, this element 15 harmful to the molten ferrous metal.

_____ thread is used where thread requires great strength and usually cut square on one side and slanting on the other side

Internal stress exerted by the fibers to resist the action of outside force is called _____.

One of the following materials is not mentioned for wire rope pulley/sheave applications.

Is the theoretical profile of the thread for a length of one pitch in the axial plane on which the design forms of both the external threads are based.

A tool not belonging to the group:

The maximum stress induced in a material when subjected to intermittent or repeated load without causing failure is called:

The factor of safety generally applied in wire rope design starts at 3-4 for standing rope application, 5-12 for operating rope and for hazard to life and property application like foundry operation.

Silicon manganese steel designation, SAE _____.

The recommended age limit of fire tube boilers.

In machine shop, had forging operation of lengthening a piece of stock while reducing the cross-sectional area of work is called:

A watt is equivalent to:

Which of the following services is not considered to be work of machinist?

Cold drawing is also called:

The top and bottom for gears Is similar formed as to crest and for screw thread.

Intermediate gear is also called _____ gear in a gear train arrangement.

The brittleness in steel at elevated temperature is _____.

Material may be stretched and still returns to its form/condition upon the release of force is called _____.

Type of chuck wherein the work piece with standard diameter or size could be attached fast and quick especially small work of mass production.

Moment curve for a simple beam with a concentrated load at middle span takes the shape of a:

This particular cutting tool material could withstand cutting temperatures of 1800°F and higher at cutting speed beyond those possible with other cutting tool materials.

Common defects encountered in the foundry shop steel casting operating and also in welding practices.

Some experiments made at Cornell University showed that experience mechanic could break a bolt due to nut tightening.

The 3 most commonly used cam and follower system are radial and offset translating roller follower and roller follower.

Type of carbon and alloy used in production of precision work tools.

Recommended hardness of pinion helical/herringbone gear tooth should be _____ BHN point to sustain life.

Fast process of analyzing all elements and chemical components of steel casting.

In small quantity this alloy is effective for improvement strength at high temperature.

Which of the following is not a kind of mandrel?

The arc of action to circular pitch or length of action to base pitch.

A cutting tool angle between the side cutting edge and the plane perpendicular to direction of feed travel is _____ angle.

The surface between the pitch circle and bottom land.

A section in a machine shop operation.

Test showed that steel pulleys has less slippage than of cast iron pulleys in range of:

The bottom surface joining two sides of thread in screw.

Shear modulus is also: