Deck 3: Industrial Engineering and Manufacturing Processes and Materials

Question 1

A hermophrodite caliper is

A)Has one leg bent and other straight with a sharp point
B)Has parallel legs
C)Outside caliper
D)Inside caliper
E)Divider

Answer 1

Inside caliper

Question 2

In EDM, the tool and work piece are separated by

A)A metal conductor
B)Negative ions
C)Dielectric fluid
D)Positive ions
E)An electrolyte

Answer 2

Dielectric fluid

Question 3

The process of increasing the cross-section of a job with a reduction in its length is termed

A)Upsetting
B)Parting off
C)Drawing out
D)Cutting

Answer 3

Upsetting

Question 4

Range of forging temperature for a mould steel job is

A)940°C - 1180°C
B)Parting off
C)800°C - 1150°C
D)750°C - 1300°C

Question 5

Which of the following operation cannot be carried out on a lathe machine?

A)Taper turning
B)Blanking
C)Double start screw cutting
D)Facing
E)Knurling

Question 6

Accuracy is

A)The repeatability of a measuring process
B)Error of judgment in recording an observation
C)The ability of an instrument to reproduce same reading under identical situations
D)Agreement of the result of a measurement with the true value of the measured quantity
E)None of the above

Question 7

A tool has tool signature 15, 15, 10, 10, 15, 10, (3 mm). Which of the following angle is not of 15°?

A)Cutting edge angle
B)Parting off
C)Side rake angle
D)End relief angle
E)Back rake angle

Question 8

A rolling mill is specified by

A)width of rolls
B)pressure exerted
C)gross weight
D)roll diameter
E)Parting off

Question 9

Which of the following is not a squeezing process?

A)Riveting
B)Thread rolling
C)Coining
D)Trimming
E)Knurling

Question 10

The gold point temperature is

A)569°C
B)863°C
C)100°C
D)1000°C
E)1063°C

Question 11

Tungsten carbide tipped drill bits are used

A)For smooth surface
B)For slow drilling
C)For drilling on glass, ceramics, etc.
D)Low power consumption
E)For drilling without coolant

Question 12

While grinding the increase in wheel speed, with constant feed rate, results in

A)glazing of wheel
B)reduction of the chip size
C)Parting off
D)abrasive marks on work piece
E)shining surface

Question 13

Which of the following chucking device can be used on lathe?

A)Dog carrier
B)Face plate
C)Collets
D)Mandrel
E)All of the above

Question 14

The limitation of a pneumatically operated automatic control system

A)is complexity of components
B)is costly maintenance
C)Suffers from the transmission lags and slow response
D)None of the above
E)All of the above

Question 15

Unequal lengths of lips of a twist drill are likely to result in

A)Smooth surface
B)Low power consumption
C)Low heat generation
D)Elliptical hole
E)Oversize hole

Question 16

A cutting tool fails due to

A)crater wear and flank wear
B)crater formation
C)Parting off
D)crater wear and flank wear meeting to cause crumbling of cutting edge

Question 17

Presence of oxygen in copper

A)gives it yellow colour
B)generates blisters on the surface
C)makes it harder
D)Parting off
E)increases electrical conductivity

Question 18

Which of the following defect in castings is caused by the molten metal?

A)Scab
B)Swell
C)Shrinkage
D)Blowholes
E)All of the above

Question 19

Flywheel is not provided in case of

A)manually operated presses
B)crank type presses
C)hydraulic presses
D)All of the above
E)Parting off

Question 20

Internal gears and splines used in automobile industry are manufactured by

A)Broaching
B)Gears shaping
C)Casting
D)Milling
E)Gears hobbing

Question 21

Honing is used to

A)correct ovality
B)waviness of axis
C)non-parallelism of cylindrical features
D)All of the above
E)Parting off

Question 22

Which one of the following is not a angle measuring device?

A)Angle iron
B)Angle gauge blocks
C)Combination square
D)Bevel protector
E)Signal bar

Question 23

In hot blast cupola

A)Temperature is high
B)Melting rate is high
C)Carbon percentage in castings is high
D)Air supplied is preheated
E)None of the above

Question 24

Which property of sand is measured by a dilatometer?

A)Clay content
B)Permeability
C)Hot strength
D)Fineness
E)Moisture content

Question 25

The coolant generally used while machining with carbide tools is

A)Water
B)Compressed air
C)Graphite
D)Kerosene
E)Soluble oil

Question 26

Loam moulds are

A)Used for symmetrical castings
B)Used in centrifugal castings
C)Used for very small articles
D)Made out of wet sand and then skin dried
E)Used for large castings

Question 27

A thin tube is to be cut by hacksawing. Blades with following TPI are available which blade will be appropriate for the job

A)14 TPI
B)4- TPI
C)18 TPI
D)32 TPI
E)20 TPI

Question 28

The function of a transducer is

A)To decodify the input signal
B)To convert the primary signal into a more useful quantity usually an electrical impulse
C)To amplify the input signal
D)To codify the input signal
E)To modify the input signal

Question 29

Flange wrinkling is a defect associated with

A)Cold heating
B)Cold rolling
C)Deep drawing
D)Die casting
E)None of the above

Question 30

Low helix drills are used for machining

A)Brass
B)bronze
C)bakelite
D)Any of the above
E)Parting off

Question 31

During continuous chip formation the maximum heat is taken away by

A)Depends on velocity of cutting
B)Chip
C)Tool
D)Work piece
E)Coolant

Question 32

Folding of edges of the sheet metal is done to

A)Parting off
B)To make the product stronger
C)To make the product attractive
D)Strengthen the edges and eliminate the sharp edges

Question 33

Poor surface finish and fast wear of tool are the characteristics of

A)Continuous chips with built up edges
B)Discontinuous chips
C)Inhomogencous chips
D)Low power consumption
E)Continuous chips

Question 34

In a Brinell hardness test the hardness number is determined by the measurement of

A)Width of depression
B)Depth of depression
C)Diameter of depression
D)Surface area of depression
E)None of the above

Question 35

Post cleaning is done in case of brazed joints to

A)Prevent corrosion
B)Remove scale
C)Strengthen the joint
D)Increase the strength of the joint
E)All of the above

Question 36

For cutting sheet metal the chisel cutting edge is bevelled to an angle of

A)90°
B)40° - 45°
C)30° - 60°
D)Parting off

Question 37

Core prints are

A)Impressions left on cores during core making
B)Hard surfaces on cores mainly meant for resisting deformation
C)Blue prints for core manufacturing
D)Holes or recesses in core meant for locating cores in position
E)None of the above

Question 38

The most commonly used instrument for the measurement of mass or volume of flowing fluids in industrial plants are

A)Impeller type
B)Propeller type
C)Turbine type
D)Weight belt type
E)Any of the above

Question 39

During arc welding if the current is too low, it is likely to result in

A)Poor penetration
B)Excess piling up of weld metal
C)Excessive electrode consumption
D)All of the above
E)None

Question 40

The disadvantage of die casting process is

A)Cost is less
B)Surface finish is poor
C)Heavy section can be easily cast
D)High production rates are not possible
E)Only certain non-ferrous alloys can be cast economically

Question 41

Which of the following provides an additional projection on a pattern and also forms a seat to support and locate the core in the mould?

A)Head
B)Mould print
C)Print
D)Check
E)Core print

Question 42

Aluminium gears are generally used in

A)Compressors
B)Speed reducers
C)Instruments
D)Worm wheels
E)None of the above

Question 43

While machining copper alloys by electro chemical machining the electrolyte used is

A)Sodium chlorate
B)Sodium hydroxide
C)Sodium sulphate
D)Common salt
E)Sodium nitrate

Question 44

Which of the following is relatively a low temperature brazing process?

A)Brass brazing
B)Silver manganese brazing
C)Copper brazing
D)Nickel chrome brazing
E)Silver brazing

Question 45

In electrical resistance welding when the current passes through the metal, the greatest resistance is

A)At the surface
B)Through the metals to be welded
C)At the point of contact of the metal to be welded
D)At the point where electrode contacts the metal
E)None of the above

Question 46

The material for worm wheels is usually

A)Bronze
B)Cast iron
C)Copper
D)Aluminium
E)Cast steel

Question 47

In die casting process

A)The cost of dies is generally insignificant
B)Very high production rates are possible
C)Any size of casting can be prepared
D)Any metal can be cast
E)Dimensional accuracy is immaterial

Question 48

For resistance welding

A)Voltage is low and current is high
B)Voltage is high and current is low
C)Both voltage and current are high
D)Both voltage and current are low
E)None of the above

Question 49

Teeth of a hacksaw are

A)In a single plane
B)Parting off
C)Bent in one direction only
D)Bent alternately in opposite directions

Question 50

Die casted gears are generally used in

A)Counters
B)Toys
C)Cameras
D)Any of the above
E)None of the above