📝 [MDSP] QB ID: 0418 | MDSP Elements No. 09

Device used to measure accurately speed.

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 termed:

When two elastic bodies collide, which of the following laws can be used to solve for the resulting velocity?

The ability of a metal to be deformed considerably without rupture is called:

Permanent deformation or strain may occur without fracture.

It is a science of motion that can be solved in terms of scalar or vector algebra.

A system of forces in space is in equilibrium, if two equal and opposite collinear forces are added, which of the following if any is true?

Metal that assists lubrication or lubricant in itself.

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

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

The smallest are at the point of rupture of a tensile specimen divided by the original area is called:

The product of the resultant of all forces acting on a body and the time that the resultant acts.

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

Poison’s ratio is the ratio of:

All are associated with the grade of steel except:

A property of material which relates the lateral strain to the longitudinal strain.

The maximum stress to which a material may be subjected before failure occurs.

Hypoid gear is a special type of gear like:

Considered a maximum safe center distance of sprockets should be _____ pitches. Very long center distance cause catenary tension in the chain.

Cold working of steel plates make the metal:

Recommended best cutting angle of drill for work on steel or cast iron is ______ degrees.

In shear pin or breaking pin design, we may use the data experienced by link belt from 1/8 inch to 1 inch pins and the breaking stress is _____ ksi.

Deals only with the motion of bodies without reference to the forces that cause the motion.

The property that characterizes a material ability to be drawn into a wire.

One of the causes of spur gear tooth breakage is the unbalanced load on one end of the tooth that results in higher stresses than when the load is evenly distributed. To minimize this problem, the face width “b” should not be greater than the thickness (or pitch) of the tooth. In the absence of the test values, the following can be a guide:

The three moment of equation may be used to analyze:

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

Non-ferrous filler metal is melted into grooves or 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:

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

Normal stress relieving temperature for cast steel.

Most effective alloying element for reducing brittleness of steel at very low temperature.

Statement that a given body is in static equilibrium means that the body cannot.

Ordinary steel begins to lose strength and elasticity significantly at about _____°F.

Clearance to a new boiler installation to the existing or old plant building should follow a minimum clearance of _____ between top of the boiler proper and the ceiling as stated in the PSME Code.

For a high corrosion resistant stainless steel, what minimum chromium content is required?

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

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

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

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

The phenomenon of continuous stretching under load even if the stress is less than the yield point.

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

The following pertain to joining of metals except:

Killed steel is always associated with:

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

The good deoxidizer in steel melting:

Good stabilizer in stainless steel.

What is the common cutting fluids used for cutting metals?

It is considered semi-solid lubricant:

Metals are conductive because:

It is considered semi-solid lubricant.

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

Used in as cast condition steel casting with carbon content less than _____% C.

Liners normally made of:

Endurance strength is nearly proportional to the ultimate strength but not with _____.

A furnace in melting non-ferrous metals.

A furnace used in melting ferrous metals.

In the gear design, the total work must be equally shared by its arms. Rim must be rigid to support these arms and also the bead is recommended for its stiffening value. The assumption in the detailed design of rim thickness and depth of bed is _____ circular pitch (Pc).

Tooth width measured along the chord at the pitch circle.

The best instrument for measuring a thousand of an inch.

All are associated with standard material specification except:

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

It is the difference of addendum and dedendum which is equivalent to the whole depth less working depth.

A lathe machine threading mechanism.

Separate forces which can be so combined are called:

That property of matter which causes it to resist any change in its motion or state of rest.

Negative allowance is also called:

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

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

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

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

Ratio of unit lateral deformation to unit longitudinal deformation.

A lathe with multiple cutting stations:

Nominal diameter of bolts is the:

Major and minor diameters are commonly used in:

The distance a helical gear or worm thread along its axis in one revolution if it were free to move axially is called _____.

Length of contact between two matting parts in a screw and nut threads measured axially is called:

If the velocity of a mass is small all the time during which motion takes place is called:

The property of material that relates the lateral strain to longitudinal strain:

Also called eccentrically loaded bearing is _____.

In the section of wire rope, regular lay means wires and strands are arranged in the following manner.

In involute teeth, the pressure angle is often defined as the angle between the line of action and the line of tangent to the pitch circle. It is also termed as:

Height of tooth above the pitch circle or the top radial distance between pitch circle and top land of the tooth.

The function of clutch in the machine is:

It is normally recommended and normal for a designer to add a hunting tooth to evenly distribute the wear on meshing teeth like a 53 teeth gears with 30 teethe pinion. Find the rotation of pinion to mesh with same pair of teeth again.

The angle made by the helix of the thread (in a straight thread) at the pinch diameter with a plane perpendicular to the axis is called:

The rule of thumb in journal bearing design; the clearance ratio/clearance should be:

The moment of inertia of a rectangle whose base is “b” and height “h” about its base is:

Cold rolled shafting is not available in diameter larger than _____.

The cast iron flywheels designed with a factor of safety of _____.

A pair of equal and opposite (not collinear) forces that tend to cause a rotation of a body.

The ratio of the pitch diameter in inches to the number of teeth.

When the motion is diminished/decreasing instead of increasing is called:

______ is a unit of energy.

When high strength and durability are a requirement for choosing gear materials it is preferable to use _____ material.

_____ forces when action are parallel.

The product of the mass and the velocity of the center of gravity of the body is called:

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

Could be defines as simply push or pull.

Opposite directional forces equal in magnitude and parallel is called _____.

Quantities such as time, volume and density are completely specified when their magnitude is known is also called _____.

Designs 200 kW plant must be at least _____.

When high strength and durability are a requirements for choosing gear materials it is preferable to use _____ material.

The separate forces which can be so combined are called _____.

_____ forces when action are parallel.

The most known lubricants being utilizes in whatever category of load and speed are oil, air, grease and dry lubricants like:

A coupling that allows axial flexibility movement in the operation. Made of alternate bolting of steel, leather, fabric, and/ or plastic material into two flanges.

It consists of two cranks, a stationary piece called the line of centers the connecting rod is a:

Used to change rotary motion to reciprocating motion.

The effective width of a helical gear divided by gear axial pitch.

Pitch diameter less the diameter of the roller chain is equal to:

Generally applied on speed reducer due to large speed ratio.

If the shaft size is specified as diameter 2.00″ max and 1.99″ min in diameter the 0.010″ could be defined as _____.

A material plane was subjected to a load. When the load was removed, the strain disappeared. From the structural change, which of the following can be considered about this material?

Helix angle in the range of _____ degrees is recommended for wide-face helical gears.

Difference between maximum material limits of mating parts. Or it is a minimum clearance or maximum interference between parts.

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

The changes in shape or geometry of the body due to action of a force on it is called deformation or _____.

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

The reciprocal of a diameter pitch of the ratio of the pitch diameter to the no. of teeth.

Ability to resist deformation under stress.

Flat leather belting not recommended for used in a speed in excess of _____ fpm.

The angle included between the sides of the thread measured in an axial plane on a screw thread.

An elastic body whose primary functions is to deflect under load.

Poisson’s ratio is the ratio of:

Manganese steel standard designation, SAE _____.

One of these materials is not structural steel:

The ratio of moment of inertia on a cross-section of a beam to this section modulus is:

The SAE 2340 shafting contains _____%

Chromium steel standard designation, SAE _____.

Alloy that improves strength of steel at high temperature application.

When the air entraintment agent is put into a concrete mix, _____.