📝 [MDSP] QB ID: 0418 | MDSP Elements No. 08

The phenomenon of “weld decay” is associated with:

Which of the following timber is used for sports goods?

A knoop indenter is a diamond ground to a:

The process commonly for thermoplastic materials is:

The most important element that controls the physical properties of steel is:

The imperfection in the crystal structure of metal is known as:

Polysters belong to the group of:

The effect of alloying zinc to copper is:

Projection welding is:

In resistance welding, the pressure is released:

Grey cast iron is best welded by:

A plug gauge is used to measure _____.

Choose the one that will have the highest cutting speed.

When large number of components are turned and parted off from a bar, the chuck generally used is:

Gear tooth vernier is used for measuring:

Undercutting is:

Laser welding is widely used in:

Unlike materials or materials of different thickness can be butt welded by:

In arc welding operations the current value is decided by:

Arc blow takes place in:

For a completely corrosion-resistant stainless steel, what minimum percentage of chromium in the alloy is required?

What for is a rammer used?

What for is a swab used?

What for is a gagger used?

What for are bellows used?

Permeability of a foundry sand is:

What for arc metal patterns used?

An important factor to be considered while designing a core print is:

Which of the following metals can be suitably welded by TIG welding?

Weld spatter refers to:

A sprue is:

What is a gate?

What for are core prints provide?

The equipment that is used in pit for supply of air is known as:

Tumbling is done so as to:

The purpose of inoculation is:

Least shrinkage allowance is provided in the case of which of the following?

The draft allowance on metallic pattern as compared to wooden one is:

Select one that is not an angle measuring device.

Dilatometer is used to find out which property of moulding sand.

The mould for casting ferrous materials in continuous casting process is made of:

What for is rotameter used?

The impedance of piezo-electric crystals is:

Hot wire anemometers are generally for:

Ornaments are cast by:

During MIG welding the metal is transformed in the form of:

A collimated light beam is used for producing heat in:

Wiping is the process of:

In which of the following process hydraulic fluid acts as transfer media?

Sweep pattern is used for molding parts having _____.

Drossing:

The usual value of helix angle of a drill is:

A twist drill is specified by:

Broaching operation is generally used in automobile industry as:

Select the one that is gear finishing process:

Formed milling operation of cutting gears can be used for cutting which type of gears?

Water should be run at a speed of _____.

A machine tool in which metal is removed by means of a revolving cutter with many teeth, each tooth having a cutting edge which removes Its share of the stock.

Welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450℃.

The process of checking or producing checkers on the surface of a piece by rolling checkered depressions into the surface.

Steels can be strengthened all of the following, EXCEPT:

Modulus of resilience is:

Percentage reduction of area while performing tensile test on cast iron may be of the other of:

Belt slip may take place because of:

The curve that is generally used as the profile of gear teeth:

In roller chain drive, the center-to-center distance between the sprockets, as a general rule, should be between times the pitch.

A partial bearing is one in which:

Aluminum has a rake angle of _____.

In general the length of engagement is more than _____ times the nominal diameter a 50 to 55 percent thread is satisfactory.

Is recommended for the larger thread diameters and for some fine pitch threads.

Broken tap can be removed by.

Are conical gears, that is, gears in the shape of cones, and are used to connect shafts having intersecting axes.

Bevel gears may be classified as being either of the straight- tooth type or the _____.

The teeth of gears are curved but lie In the same general direction as the teeth of straight bevel gears.

Is the same as spiral gears, except that the axis of the pinion is offset relative to the gear axis.

Zerol bevel gears for maximum smoothness and quiteness should be run at _____.

For peripheral speeds above ground gears should be used.

Spiral bevel and hypoid gears are recommended for applications where peripheral speeds exceed _____.

Hypoid gears are recommended for industrial applications:

_____ gears may be used for both speed- reduction and speed-increasing drives.

As a general rule, the amount of metal under the root should be equal to the _____.

On webless type ring gears, the minimum stock between the root line and the bottom of tap drill holes should be _____ of the tooth deep.

Spiral bevel and hypoid gears should, in general, be mounted on anti-friction bearings in an _____ case.

For both straddle mounted and overhung mounted gears the spread between bearings should never be less than _____ of the pitch diameter of the gear.

On overhung mounted gears the spread should be at least _____ the overhung.

The basic pressure angle of bevel gears is _____.

For basic pressure angle of 20 degrees, the number of teeth for no undercut are _____ teeth in the pinion.

Spiral angle of spiral bevel gears is _____.

To assure successful operation, bevel gears must be rigidly mounted within the housing such that the deflection of one gear relative to the other does not exceed _____ either axially or tangential to the pitch diameters.

In general, the same tooth proportions used for Gleasons System spiral bevel gears may be used for spiral bevel gears with spiral angle of from, say, 20 to _____.

The direction of rotation of a bevel gear is determined as _____.

Spiral angle should be selected to give a face contact ratio of _____ to assure smooth tooth action and quiet gears.

The axial thrust load produced on the bearings of a bevel gear is equal to the axial component of the normal load on the _____.

The material most commonly used in the manufacture of bevel gears is _____.

There are 8 cutters in the series for each diametral pitch to cover the full range from _____ pinion to a crown gear.

Class A Bevel gears- Precision gears recommended for peripheral speeds above

The face width should not normally exceed one-third of the pitch cone distance or _____ the pitch.

Pressure angle of worm gears is _____.

The minimum recommended worm pitch diameter is 0.25 inch and the maximum is _____.

The shape of the worm thread in the normal plane is defined as that which is produced by a symmetrical double-conical cutter or grinding wheel having a straight elements and an included angle of _____.

A shaft is used to connect or disconnect at will is called _____.

The frictional forces depends on coefficient of friction and _____.

Friction devices used to regulate the motion of bodies and with clutches.

The part of the total frictional energy that is stored in the brake parts, principally in the drum or disk has been variously estimated at _____.

The part of an automobile disc clutch that presses against the flywheel is referred to as _____.

The brake capacity to absorb energy is known as _____.

If the band warps partly around the brake wheel or drum and brake action is obtained by pulling the band tight onto the wheel. This type of brake is known as _____.

The brake lining operating at temperature _____, sintered mixture containing ceramics are used.

Hydrodynamic brakes is the major type of _____.

Types of brakes that are capable of stopping the motion of a machine member as well as retarding its motion.

It is considered as the simplest type of mechanical brake.

The friction devices used to connect shafts.

A clutch that has a disadvantage of heavier rotary masses.

The overrunning clutch _____.

The overrunning clutch _____.

Clutch, gear box, differential etc. are the parts of _____.

In motor vehicles, it is very common practice to use a _____.

The clutch finger is pushed by _____.

A hydraulic clutch doesn’t incorporate a _____.

The lining of a brake shoe _____.

Due to air effect, the hydraulic brakes become _____.

The efficiency of hydraulic braking system is _____.

The SAE recommends an angle of _____ fore cone clutches faced with leather or asbestos or having cork inserts.

Why does clutch creates noise?

What faults developed in the brakes?

Which of the following types of brakes are also changed while replacing brake lining?

Power brakes require _____ power.

What type of oil is used in the hydraulic brake system?

The principal parts of a hydraulic brake system are the master cylinder and the _____.

In the mechanical brake system the main function is of _____.

In motor vehicles, these is a _____ in addition of foot brake.

Which of the following are also used in the suspension system?