MECHANICAL ENGINEERING PRODUCTION TECHNOLOGY & MANUFACTURING MCQs

A soldering iron 'bit' is made of

Brass

Tin

Steel

Copper

Correct! Wrong!

The temperature range for soldering process is

40C to 100C

180C to 250C

300C to 500C

1000C to 2000C

Correct! Wrong!

Heat for soldering process is supplied by.

Soldering iron

Induction furnace

Electric resistance method

Any of the above

Correct! Wrong!

The purpose of using flux in soldering is to

Increase fluidity of solder metal

Feel up gaps left in a bad joint

Carbon steel

Prevent oxides forming

Wash away surplus solder

Correct! Wrong!

Brazing is the process of

Joining plastic sheets

Hard soldering using brass spelter

Casing in brass

Makeing steel look like brass

Correct! Wrong!

Entrapped fluxes, during brazing result in

Presence of gas pockets

Corrosion

Cracking

Distortion of joints

Erosion

Correct! Wrong!

Which of the following flux is used for brazing aluminium and magnesium

Mixture of boric acid,borax and wetting agent

Boric acid,borax or fluoride with a wetting agent

Chlorides and fluorides mixed with water

Any of the above

Correct! Wrong!

A braze joint may be satisfactorily used on components made of

Tinplate

Brass

Copper

Aluminium

Correct! Wrong!

In sand moulding,the middle part of flask is called

Cope

Cheek

Drag

Flask-middle

Any of the above

Correct! Wrong!

Following moulding machine is used to get uniform sand hardness

Jolt

Sand slinger

Squeezing

Diaphragm moulding

Correct! Wrong!

Which type of patterns are used mounting severals patterns at a time

Combined pattern

Loose,piece pattern

Sweep pattern

Match plate pattern

Correct! Wrong!

The purpose of gate is to

Feed the casting at a rate consistent with the rate of solidification

Act as reservoir for molten metal

Help feed the casting until all solidification takes place

Feed molten metal from pouring basin to gate

Correct! Wrong!

The purpose of riser is to

Feed the casting at a rate consistent with the rate of solidification

Act as reservoir for molten metal

Help feed the casting until all solidification takes place

Feed molten metal from pouring basin to gate

Correct! Wrong!

The important mechanical property for a material to be successfully rolled or forged is

Brittleness

Ductility

Elasticity

Mechinability

Malleability

Correct! Wrong!

Compression moulding is the ideal method of processing

Plastics

Thermo-setting plastics

Thermoplastics

Non-ferrous materials

All of the above

Correct! Wrong!

Which of the following is the process for joining two metals

Sintering

Tumbling

Notching

Swaging

Correct! Wrong!

In machine tools, chatter is due to

Free vibrations

Random vibrations

Forced vibrations

Self-excited vibrations

Cutting vibrations

Correct! Wrong!

In lathe, the carriage and tail stock are guided on

Same guideways

Different guideways

Any of the above

Not guided on guideways

None of the above

Correct! Wrong!

The shear angle in the piercing operation is provided on

Die

Punch

Half on die and half on punch

Die or punch depending on material and thickness of sheet

Not provided at all

Correct! Wrong!

Sanding is a process of removing metal surfaces or wood fibres by

Filling

Sawing

Cutting

Planning

Correct! Wrong!

Galvanising is

A zinc diffusion process

An oxidising process used for aluminium and magnesium articles

A process used for making thin phosphate coating on steel to act as a base or primer for enamels and paints

Is the process of coating of zinc by hot dipping

None of the above

Correct! Wrong!

The cutting tool used in the spark erosion machining process is called

Arc

Capacitor

Electrode

Dielectric

Servo

Correct! Wrong!

Basic tool in work study is

graph paper

process chart

planning chart

stop watch

analytical mind

Correct! Wrong!

ABC analysis deals with

analysis of process chart

flow of material

ordering schedule of job

controlling inventory costs money

all of the above

Correct! Wrong!

Product layout is employed for

batch production

continuous production

effective utilization of machine

all of the above

none of the above

Correct! Wrong!

Military organisation is known as

line organisation

line and staff organisation

functional organisation

all of the above

none of the above

Correct! Wrong!

The salient feature of functional organisation is

strict adherence to specification

separation of planning and design part

each individual maintains functional efficiency

work is properly planned and distributed

all of the above

Correct! Wrong!

Statistical quality control techniques are based on the theory of

quality

statistics

probability

all of the above

Correct! Wrong!

The term ‘value’ in value engineering refers to

total cost of the product

selling price of the product

utility of the product

manufactured cost of the product

depreciation value

Correct! Wrong!

Graphical method, simplex method, and transportation method are concerned with

break-even analysis

value analysis

linear programming

queing theory

tnaterial handling

Correct! Wrong!

CPM has following time estimate

one time estimate

two time estimate

three time estimate

four time estimate

nil time estimate

Correct! Wrong!

Which of the following layouts is suited for mass production

process layout

product layout

fixed position layout

plant layout

functional layout

Correct! Wrong!

Material handling and plant location is analysed by

Gnatt chart

bin chart

Emerson chart

travel chart

activity chart

Correct! Wrong!

Gnatt charts are used for

forecasting sales

production schedule

scheduling and routing

linear programming

none of the above

Correct! Wrong!

Travel charts provide

an idea of the flow of materials at various stages

a compact estimate of the handling which must be done between various work sections

the information for changes required in rearranging material handling equipment

an approximate estimate of the handling which must be done at a particular station

solution to handling techniques to achieve most optimum^ results

Correct! Wrong!

Micromotion study is

enlarged view of motion study

analysis of one stage of motion study

minute and detailed motion study

Subdivision of an operation into therbligs and their analysis

motion study of small components upto mirco-seconds

Correct! Wrong!

String diagram is used

for checking the relative values of various layouts

when a group of workers are working at a place

where processes require the operator to be moved from one place to another

all of the above

none of the above

Correct! Wrong!

The basic difference between PERT and CPM is that

PERT deals with events and CPM with activities

critical path is determined in PERT only

costs are considered on CPM only and not in PERT

guessed times are used in PERT and evaluated times in CPM

PERT is used in workshops and CPM in plants

Correct! Wrong!

The artificial activity; which indicates that an activity following it cannot be started unless, the preceding activity is complete, is known as

event

free float

artificial

constraint

dummy

Correct! Wrong!

PERT analysis is based on

optimistic time

pessimistic time

most likely time

all of the above

none of the above

Correct! Wrong!

In A-B-C control policy, maximum attention is given to

those items which consume money

those items which are not readily available

those x items which are in more demand

those items which consume more money

proper quality assurance programmes

Correct! Wrong!

MECHANICAL ENGINEERING PRODUCTION TECHNOLOGY & MANUFACTURING MCQs

A soldering iron 'bit' is made of

The temperature range for soldering process is

Heat for soldering process is supplied by.

The purpose of using flux in soldering is to

Brazing is the process of

Entrapped fluxes, during brazing result in

Which of the following flux is used for brazing aluminium and magnesium

A braze joint may be satisfactorily used on components made of

In sand moulding,the middle part of flask is called

Following moulding machine is used to get uniform sand hardness

Which type of patterns are used mounting severals patterns at a time

The purpose of gate is to

The purpose of riser is to

The important mechanical property for a material to be successfully rolled or forged is

Compression moulding is the ideal method of processing

Which of the following is the process for joining two metals

In machine tools, chatter is due to

In lathe, the carriage and tail stock are guided on

The shear angle in the piercing operation is provided on

Sanding is a process of removing metal surfaces or wood fibres by

Galvanising is

The cutting tool used in the spark erosion machining process is called

Basic tool in work study is

ABC analysis deals with

Product layout is employed for

Military organisation is known as

The salient feature of functional organisation is

Statistical quality control techniques are based on the theory of

The term ‘value’ in value engineering refers to

Graphical method, simplex method, and transportation method are concerned with

CPM has following time estimate

Which of the following layouts is suited for mass production

Material handling and plant location is analysed by

Gnatt charts are used for

Travel charts provide

Micromotion study is

String diagram is used

The basic difference between PERT and CPM is that

The artificial activity; which indicates that an activity following it cannot be started unless, the preceding activity is complete, is known as

PERT analysis is based on

In A-B-C control policy, maximum attention is given to

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