📝 [MDSP] QB ID: 0418 | MDSP Elements No. 05

In case of spur gears the flank of the tooth is:

In case of cross helical worm the axes of two shafts are:

In case of gears the addendum is given by:

Gears for watches are generally manufactured by:

In case of helical gears the axial plane is given by:

A cam wherein the follower reciprocates or oscillates in a plane parallel to the axis of the cam is called:

Rope brake dynamometer uses:

Which of the following dynamometer is widely used for absorption of wide range of powers at wide range of speeds?

In a balancing machine the units for unbalance measurements are:

The supply of working fluid to the engine to suit the load continuous can be controlled by:

The function of a governor is to:

According to law of gearing:

Bevel gears are used to transmit rotary motion between two shafts whose axes are:

If 43 and T are the pitch circle diameter and no. teeth of a gear, then its circular pitch:

If D₁ and T₁ be the diameter and no. of teeth of gear 1 and D₂ and T₂, the corresponding values of other gear in mesh, then speed ratio N₁/N₂ will be equal to:

Cold working:

Which tool does not belong to the group?

The notch angle of the Izod impact test specimen is:

In Vickers hardness testing, the pyramid indicator apex is:

In testing a material for endurance strength, it is subjected to:

Select the correct statement:

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

The crest diameter of a screw thread is same as:

Muntz metal contains:

A babbit is:

Steel balls for ball bearings are manufactured by:

The blow off pressure of a safety valve is:

In case of a knuckle joint the pin is most likely to fail in:

Splines are used when:

Splined shafts are generally used in:

Which key is normally used in wristwatch?

Universal coupling is:

A flange coupling is:

In flange coupling the weakest element should be:

Turn buckle has:

Elastic nut is locking device that has:

Treating the welds as a line, the moment of inertia about a center of gravity of a circular weld of diameter would be:

A single ply leather belt running at a belt velocity of 300 ft/min is likely to transmit per inch of width.

For butt welding of two plates each of which is 25 mm thick, the best process would be:

The compression members tend to buckle in the direction of:

The diameter of a washer is generally:

If the lead angle of a worm is 22 1/20 then the helix angle will be:

A reinforced concrete beam is considered to be made up of:

Rankine formula is valid up to slenderness ratio of:

Slenderness ratio of a column is:

In hydrodynamic bearings:

The rated life of a bearing changes:

In oilless bearings:

Is the radial distance from the addendum circle to the working depth circle.

When motion is decreasing it is _____.

The type of cam used for low and moderate speed engines is generally:

The form coefficient of a spring is:

Coriolis component of acceleration is found in:

Piping supports shall be placed intervals or less _____.

All of the following are processes used to surface-harden steel except:

Addendum of a cycloidal gear tooth is:

Spiral gears are suitable for transmitting _____.

As pump speed increases, its (NPSH) net positive suction head requirement:

If pump NPSH requirements are not satisfied:

Which type of chain Is used in motorcycle?

Which of the following ropes will be most flexible?

The working load (P) for a chain for crane application is expressed in terms of diameter of link “d” in cm as follows:

If a square key and the shaft are to be of the same material and of equal strength, the length of key would be (d = shaft diameter)

In a standard coarse thread bolt the stress concentration is maximum at:

Fatigue strength of a surface may be increased by:

The maximum allowed in gantry grinders is:

The maximum size of the fillet weld that can be used at:

The maximum size of the fillet weld that can be made in single pass is:

A rolled steel flat designated as 50 ISF 8 means:

The column splice is used for increasing:

Zero axial thrust is experienced in:

In order to realize the advantage of fluid friction, it is essential to have:

A shaft rotating in anti-clockwise direction at slow speed inside a bearing will be:

Points of arrest of iron correspond to:

Delta iron occurs at temperature of:

Gamma iron at following temperature:

Ferromagnetic alpha iron exists in temperature range of:

Paramagnetic alpha Iron changes to gamma iron at:

Fatigue failure occurs When a part is subjected to _____.

A body having identical properties all over it is called:

If a material recovers its original dimensions, when the bad is removed it is called:

A behavior of metals where in strength of a metal is increased and the ductility is decreased on heating at a relatively low temperature after cold working, is called:

A ductile fracture is characterized by:

The ability of a material to absorb energy when deformed elastically and to return to it when unloaded, is known as:

Machining properties of steel can be improved by adding:

Eutectoid steel the percentage of carbon is:

A cold chisel is made of:

Cyaniding is the process of:

The constituent that has a powerful softening effect on cast iron and its presence in cast iron reduces the ability of the iron to retain carbon in chemical combination is:

Tensile strength of common varieties of cast iron is in the range:

In carbon steel castings:

Aluminum alloys for pressure die casting:

Electro-foaming is especially valuable for:

In powder metallurgy the process of heating the cold pressed metal powder is called:

Which one is different from the remaining:

The hardness of steel increases if it contains:

The presence of Sulphur in pig iron makes:

Compressive strength of gray cast iron in tonnes/cm2 is of the order of:

Surface hardening to produce a hard outer surface with a ductile interior is desirable for metal (steel) products subjected to:

Steel with 80% carbon and 100% pearlite.

A heavy rotating body which serves as a reservoir for absorbing and redistributing kinetic energy.

Which of the following is not a use of spring?

The ratio of mean diameter of coil to the coil diameter.

The overall length of the spring when it is compressed until all adjacent coils touched.

The length of a coil spring under no load.

In general, steel springs are made of relatively high carbon steel usually

When heat treated wire is coiled cold, it should be stress relieved for bending stresses after cooling by being heated at some at what temperature?

A low-cost spring material, suitable where service is not severe and dimensional precision is not needed.

A hard drawn also 80% reduction but it is made of high- grade steel.

A spring wire with good quality for impact loads at moderately high temperature.

A type of coil where the helical coil is wrapped into a circle forming an annular ring.

A type of spring where thin flat strip wound up on itself as a plane spiral, usually anchored at the inside.

A type of spring made in the form of a dished washer.

In laminated spring the strips are provided in different lengths for _____.

An elastic stored energy, machine element that when released, will recover its basic form.

When a spring is made of ductile material, the curvature factor would be _____.

The solid length plus the clearance plus the maximum deflection.

The majority of coils springs are made of coil tempered carbon steel wire containing _____ carbon.

Experimental results indicate that the actual frequency of the spring is from _____.

According to W. M. Griffith, the critical frequency of the springs should behold at least _____ times the frequency of application of a periodic load.

The actual number of coil is _____ in a squared and ground ends.

The solid length of squared ends is _____.

The free length of ground ends is _____.

The shortest length for the spring during normal operation.

The relationship between the force exerted by a spring and its deflection is called _____.

The ratio of the mean diameter of the spring to the wire diameter is called _____.

Refers to the axial distance from a point on one coil to the corresponding point on the next adjacent coil.

The spring index for general industrial uses should be _____.

What is the spring index of valve and clutch?

Refers to the space between adjacent coils when the spring is compressed to its operating length.

The most practical spring designs produce a pitch angle is less than _____.