b6Amine/MNLP_M3_quantized_dataset huggingface dataset:
Question: 5. What will be the output of the following C++ code?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="cpp"><ol><li class="li1"><pre class="de1"> <span class="co2">#include &lt;iostream&gt;</span></pre></li><li class="li1"><pre class="de1"> <span class="co2">#include &lt;exception&gt;</span></pre></li><li class="li1"><pre class="de1"> <span class="co2">#include &lt;typeinfo&gt;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">using</span> <span class="kw2">namespace</span> std<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">class</span> Test1</pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span> </pre></li><li class="li1"><pre class="de1"> <span class="kw2">virtual</span> <span class="kw4">int</span> Funct<span class="br0">(</span><span class="br0">)</span> </pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span> main <span class="br0">(</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">try</span> </pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> Test1 <span class="sy2">*</span> var <span class="sy1">=</span> <span class="kw2">NULL</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">typeid</span> <span class="br0">(</span><span class="sy2">*</span>var<span class="br0">)</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">catch</span> <span class="br0">(</span>std<span class="sy4">::</span><span class="me2">exception</span><span class="sy3">&amp;</span> typevar<span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw3">cout</span> <span class="sy1">&lt;&lt;</span> <span class="st0">"Exception: "</span> <span class="sy1">&lt;&lt;</span> typevar.<span class="me1">what</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> endl<span class="sy4">;</span> </pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">return</span> <span class="nu0">0</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li></ol></div></div></div></div></div></div>
Options:
NULL
Exception:bad_alloc
Exception:std:bad_typeid
Exception:std:bad_type
Answer: C
Question: Which of the following set the floating-point error callback function or log object?
Options:
setter
settercall
setterstack
all of the mentioned
Answer: B
Question: Bias is used in the relay protection to _______________
Options:
provide balanced sharing of current
reduce current level
deivert the current
none of the mentioned
Answer: B
Question: If there is a bijection between two sets A and B then _______
Options:
Cardinality of A is greater than B
Cardinality of B is greater than A
Cardinality of B is equal to A
None of the mentioned
Answer: C
Question: Cooling rate _____ with distance from the quenched end, and the hardness _____
Options:
Increases, increases
Increases, decreases
Decreases, increases
Decreases, decreases
Answer: D
Question: With an increase in temperature, the modulus of elasticity ____________
Options:
Increases
Decreases
Remains constant
First Increases, then decreases
Answer: B
Question: Which one of the following allows client to update their DNS entry as their IP address change?
Options:
dynamic DNS
mail transfer agent
authoritative name server
none of the mentioned
Answer: A
Question: A bag has 5 red, 3 white and 2 black balls. What is the probability of picking a black or red ball from bag?
Options:
\(\frac{2}{13}\)
\(\frac{7}{13}\)
\(\frac{1}{4}\)
\(\frac{2}{15}\)
Answer: B
Question: Which of the following is used as a substitute for PHP as a scripting language in LAMP?
Options:
Scala
Perl
Ruby
None of the mentioned
Answer: C
Question: Which of the following is not neglected during formation of reactance diagram from impedance diagram?
Options:
Resistance of various power system components
Static loads
Shunt component of Transformers
Reactance of alternators
Answer: D
Question: The equivalent infix expression and value for the postfix form 1 2 + 3 * 4 5 * – will be ___________
Options:
1 + 2 * 3 – 4 * 5 and -13
(2 + 1) * (3 – 4) * 5 and 13
1 + 2 * (3 – 4) * 5 and -11
(1 + 2) * 3 – (4 * 5) and -11
Answer: D
Question: Mark the correct waveform for the emf produced in an induction motor and the resultant flux density wave for a resistive load.
Options:
<img src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-campus-interviews-q2a.png" alt="electrical-machines-questions-answers-campus-interviews-q2a" width="300" height="164" class="alignnone size-full wp-image-160993" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-campus-interviews-q2b.png" alt="electrical-machines-questions-answers-campus-interviews-q2b" width="300" height="163" class="alignnone size-full wp-image-160994" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-campus-interviews-q2c.png" alt="electrical-machines-questions-answers-campus-interviews-q2c" width="300" height="191" class="alignnone size-full wp-image-160995" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-campus-interviews-q2d.png" alt="electrical-machines-questions-answers-campus-interviews-q2d" width="300" height="145" class="alignnone size-full wp-image-160996" />
Answer: B
Question: How many select lines would be required for an 8-line-to-1-line multiplexer?
Options:
2
4
8
3
Answer: D
Question: In the case of graphite and TiS2 intercalation compounds, what is the structure possessed by the host crystals?
Options:
Spherical structure
Cubical structure
Lamellar structure
Cylindrical structure
Answer: C
Question: If V1 is 5V and resistance R1 is 5KΩ and the cut-in voltage of the diode is 0.7V, what will be the voltage Vout across the diode? Take reverse saturation current as 10-8A and operating temperature as 25°C.
Options:
0V
-4.5V
-5V
-3.2V
Answer: D
Question: ____________ method is used in centralized systems to perform out of order execution.
Options:
Scorecard
Score boarding
Optimizing
Redundancy
Answer: A
Question: Which rows would be made permanent in the CUST table?
Options:
row 4 only
rows 2 and 4
rows 3 and 4
rows 1 and 4
Answer: C
Question: Point out the wrong statement.
Options:
In a differential backup, the backup software can obtain the up-to-date backup from the last full backup and the last incremental backup alone
Incremental  backup analyzes the transactions that are in progress
A cloud storage system contains a certain built-in latency, so unless the original data set is quiescent, the mirror lags behind the original in concurrency
None of the mentioned
Answer: B
Question: The instruction that stores a copy of top of the stack into the memory, and pops the top of the stack is
Options:
FST
FSTP
FIST
FLD
Answer: B
Question: Which is the simplest carbohydrate?
Options:
Dihydroxy acetone
Glycerldehyde
Glucose
Gulose
Answer: B
Question: Consider a block of mass 9.81kg on an inclined surface of the coefficient of friction 0.15 and angle of inclination 30 degrees. What will be its acceleration on the inclined plane if acceleration due to gravity is 9.81 m/s2?
Options:
3.63 m/s2
4.63 m/s2
9.81 m/s2
10 m/s2
Answer: A
Question: 10. What will be the output of the following code?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="cpp"><pre class="de1">Class A <span class="br0">{</span> <span class="kw4">int</span> i<span class="sy4">;</span> <span class="kw2">public</span> <span class="sy4">:</span> A<span class="br0">(</span><span class="kw4">int</span> n<span class="br0">)</span> <span class="br0">{</span> i<span class="sy1">=</span>n<span class="sy4">;</span> <span class="kw3">cout</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>”inside constructor ”<span class="sy4">;</span> <span class="br0">}</span> ~A<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> <span class="kw3">cout</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>”destroying ”<span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>i<span class="sy4">;</span> <span class="br0">}</span> <span class="kw4">void</span> seti<span class="br0">(</span><span class="kw4">int</span> n<span class="br0">)</span> <span class="br0">{</span> i<span class="sy1">=</span>n<span class="sy4">;</span> <span class="br0">}</span> <span class="kw4">int</span> geti<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> <span class="kw1">return</span> I<span class="sy4">;</span> <span class="br0">}</span> <span class="br0">}</span><span class="sy4">;</span> <span class="kw4">void</span> t<span class="br0">(</span>A ob<span class="br0">)</span> <span class="br0">{</span> <span class="kw3">cout</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>”something ”<span class="sy4">;</span> <span class="br0">}</span> <span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> A a<span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span><span class="sy4">;</span> t<span class="br0">(</span>a<span class="br0">)</span><span class="sy4">;</span> <span class="kw3">cout</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>”<span class="kw3">this</span> is i in main ”<span class="sy4">;</span> <span class="kw3">cout</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span><span class="sy3">&amp;</span>lt<span class="sy4">;</span>a.<span class="me1">geti</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="br0">}</span></pre></div></div></div></div></div></div>
Options:
inside constructor something destroying 2this is i in main destroying 1
inside constructor something this is i in main destroying 1
inside constructor something destroying 2this is i in main
something destroying 2this is i in main destroying 1
Answer: A
Question: In hydrothermal method, the bomb connected directly to an independent pressure source is known as____________
Options:
Hot seal
Bomb
Flux
Cold seal
Answer: C
Question: What did David Tilman’s experimental plot show?
Options:
More variation in productivity
Fewer species showed less variation
More variation from year-to-year in the total biomass
More species showed less variation from year-to-year in the total biomass
Answer: D
Question: When an automobile travels for a long distance, the pressure in the gas?
Options:
Increases slightly
Decreases slightly
Remains the same
Decreases and then increases
Answer: B
Question: What is the value of P?
Options:
5 mole/hr
10 mole/hr
25 mole/hr
40 mole/hr
Answer: B
Question: From the following volumes, which capacity the Pilot-scale bioreactor holds?
Options:
100-1000L
1000-10000L
1-100L
less than 1L
Answer: D
Question: Tangent cams are symmetric about __________
Options:
Centre line of cam shaft
Tangent line of cam shaft
Radial line of cam shaft
Along the roller
Answer: A
Question: The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.
Options:
page
mapping
frame
memory
Answer: C
Question: 2. The cut off frequency for a waveguide to operate is
Options:
3 MHz
3 GHz
6 MHz
6 GHz
Answer: D
Question: Why does bomb calorimeter require high pressure oxygen?
Options:
To increase the rate of reaction
To ensure that the given sample in the crucible burns completely
To increase the ignition temperature
To increase the kinetic energy
Answer: B
Question: Which one of the following extension is provided by gzip to the compressed filename?
Options:
.cm
.gz
.zip
.zp
Answer: B
Question: Point out the wrong statement.
Options:
In Gmail, you can construct searches with multiple operators using the Advanced Search feature
RSS and Atom are prototypes of a class of XML specifications called synchronized markup languages
A typical RSS document or feed contains text and metadata that can be used to indicate publication dates
None of the mentioned
Answer: B
Question: Which characteristic of Power Diode makes it suitable for rectification of large current devices?
Options:
Heavily doped
Larger Junction
Thicker depletion zone
Greater charge carriers
Answer: A
Question: LOS – NLOS identification is a ____ application.
Options:
location based service
location assisted network optimisation
location assisted transceiver optimization
location assisted environment identification
Answer: D
Question: If the paging unit is disabled, then the linear address is used as
Options:
effective address
physical address
segment base address
none of the mentioned
Answer: B
Question: The Laplace transform of f(t) = (e-2t – 1)2 is ________________
Options:
\(\frac{2}{s+2} + \frac{1}{s}\)
\(\frac{1}{s+4}\)
\(\frac{1}{s+4} – \frac{2}{s+2} + \frac{1}{s}\)
–\(\frac{2}{s+2} + \frac{1}{s}\)
Answer: C
Question: The administration of highway projects depends on __________ factors.
Options:
2
5
3
6
Answer: C
Question: Which process is more economical?
Options:
Undersampling
Oversampling
Aliasing
None of the mentioned
Answer: B
Question: Any system that uses the HTTP protocol is called _________
Options:
Web Browser
Web Server
WWW
TCP/IP
Answer: B
Question: A jar of pickle is picked at random using a filling process in which an automatic machine is filling pickle jars with 2.5 kg of pickle in each jar. Due to few faults in the automatic process, the weight of a jar could vary from jar to jar in the range 1.7 kg to 2.9 kg excluding the latter. Let X denote the weight of a jar of pickle selected. Find the range of X.
Options:
3.7 ≤ X < 3.9
1.6 ≤ X < 3.2
1.7 ≤ X < 2.9
1 ≤ X < 5
Answer: C
Question: The highest priority usage than any other usage is
Options:
transfer with LOCK (active low) signal
hold request
processor extension data transfer
data transfer performed by EU (execution unit)
Answer: A
Question: Which of the following is a part of system release?
Options:
electronic and paper documentation describing the system
packaging and associated publicity that have been designed for that release
an installation program that is used to help install the system on target hardware
all of the mentioned
Answer: D
Question: On which abstract data type does van Emde Boas tree performs the operation?
Options:
Tree
Linked List
Heap
Associative Array
Answer: A
Question: A network has two branches in parallel. One branch contains impedance Za and the other branch has impedance Zb. If it is fed from an AC voltage V of frequency f, the current through Za depends, on which of the following?
Options:
V, Za, Zb
V, Za
Za, Zb
V, Za, f
Answer: D
Question: When is a flip-flop said to be transparent?
Options:
When the Q output is opposite the input
When the Q output follows the input
When you can see through the IC packaging
When the Q output is complementary of the input
Answer: B
Question: The Index of Coincidence is
Options:
0.065
0.048
0.067
0.044
Answer: D
Question: Phase distortion can also be called as _________
Options:
Frequency distortion
Amplitude distortion
Delay distortion
Harmonic distortion
Answer: C
Question: Identify the group of small sized faults from the following.
Options:
Parallel faults
Enechelon faults
Peripheral faults
Radial faults
Answer: B
Question: The untrimmed size for _______ sheet is 240 mm x 330 mm.
Options:
A1
A3
A4
A5
Answer: C
Question: Convert the point (3,4,5) from Cartesian to spherical coordinates
Options:
(7.07,45⁰,53⁰)
(0.707,45⁰,53⁰)
(7.07,54⁰,63⁰)
(0.707,54⁰,63⁰)
Answer: A
Question: The current i amperes at any time t is given by \(L \frac{di}{dt} + Ri = E\), when a resistance R ohms is connected in series with an inductance L henries and E.M.F of E volts. If E=10 sin(t) volts and i=0 when t=0,which among the following is the correct expression for i(t) at any time t?
Options:
\(\frac{10}{R^2+L^2} (R cos⁡t – L sin⁡t + Le^{\frac{Rt}{L}})\)
\(\frac{10}{R^2+L^2} (R sin⁡t + L cos⁡t – Le^{\frac{Rt}{L}})\)
\(\frac{10}{R^2+L^2} (R sin⁡t – L cos⁡t + Le^{\frac{-Rt}{L}})\)
\(\frac{10}{R^2+L^2} (L cos⁡t – R sin⁡t + Le^{\frac{-Rt}{L}})\)
Answer: C
Question: The Laplace transform of the function (t2 + 4t + 2)e3t is ___________
Options:
\(\frac{2}{(s-3)} + \frac{4}{(s-3)^2}  + \frac{2}{s-3}\)
\(\frac{2}{(s-3)^3}  + \frac{4}{(s-3)^2}  + \frac{2}{s-3}\)
\(\frac{2}{(s-3)^3}  – \frac{4}{(s-3)^2}  + \frac{2}{s-3}\)
\(\frac{2}{(s-3)^3}  – \frac{4}{(s-3)^2}  – \frac{2}{s-3}\)
Answer: B
Question: Extensions were added in which version?
Options:
1
2
3
4
Answer: C
Question: Which flag indicates the number of 1 bit that results from an operation?
Options:
Zero
Parity
Auxiliary
Carry
Answer: C
Question: How many positive integers less than or equal to 100 are divisible by 2, 4 or 5?
Options:
12.3
87.2
45.3
78.2
Answer: D
Question: Which among the following equation satisfies heterogeneous nucleation?
Options:
ΔGhet = – V*(ΔGv – ΔGs) + Aγ – ΔGd
ΔGhet = – V*(ΔGv – ΔGs) – ΔGd
ΔGhet = – V*(ΔGv – ΔGs) + Aγ + ΔGd
ΔGhet = – V*(ΔGv – ΔGs) + Aγ
Answer: A
Question: How can one understand the completion of the burning of lime?
Options:
Blue flame at the top disappears
Blue flame appears at the top
Smoke is released in huge quantity
Red flame appears at the top
Answer: A
Question: The slabs whose corners are prevented from lifting are known as _________
Options:
simply supported
cantilever
restrained
suspended
Answer: C
Question: A fair coin is tossed thrice, what is the probability of getting all 3 same outcomes?
Options:
3⁄4
1⁄4
1⁄2
1⁄6
Answer: B
Question: A change in the appearance of a value or label in a cell.
Options:
Alteration
Format
Indentation
Design
Answer: D
Question: The Indian standard code recommends a value for stress in wires varying from ____________
Options:
0.5fpu to 0.8fpu
0.2fpu to 0.6fpu
0.4fpu to 0.10fpu
0.6fpu to 0.8fpu
Answer: A
Question: Cyclooxygenase-2 synthesizes _____________________
Options:
sucrose
prostaglandins
steroids
gametes
Answer: A
Question: Which option is used with ps command to list system processes?
Options:
-A
-a
-e
–A and -e
Answer: A
Question: Which property is enhanced by strain ageing?
Options:
Tensile strength
Ductility
Stiffness
Yield strength
Answer: D
Question: How many Pseudo-random number engines are there?
Options:
1
2
3
4
Answer: C
Question: If we compile the sanfoudry.c file with the command “gcc -o sanfoundry sanfoundry.c”, then the executable file will be
Options:
a.out
sanfoundry
sanfoundry.out
none of the mentioned
Answer: B
Question: Based on his experiments on pea plants, what were the things that he suspected of being transferred across generations?
Options:
Genes
Factors
Chromosomes
DNA
Answer: D
Question: The surface area occupied by a single gas molecule is inversely proportional to the ____________
Options:
Molar mass of the gas adsorbed
Density of the liquefied gas
Volume of the gas
All of the mentioned
Answer: B
Question: Which of the factor in prokaryotic NER acts as the helicase?
Options:
Urv A
Ruv C
TFIIH
Uvr D
Answer: D
Question: Repressor molecules bind to __________
Options:
Operator
Promoter
Enhancer
Hormone response element
Answer: A
Question: Clock is transmitted in the asynchronous communication?
Options:
yes
no
cant be said
depends on the conditions
Answer: B
Question: 10010100101 is the code received. Find the error bit.
Options:
7
5
2
3
Answer: C
Question: Which of the following energy has the greatest potential among all the sources of renewable energy?
Options:
Solar energy
Wind Energy
Thermal energy
Hydro-electrical energy
Answer: A
Question: On the arg and plane, the complex numbers z1, z2, z3, z4 are the vertices of a parallelogram. Evaluate (z4–z1+z2)/z3 .
Options:
1
2
3
4
Answer: C
Question: Apoptosis can’t kill which of the following?
Options:
Cell infected with viruses
Cell with DNA damage
Cancer cells
Immune cells
Answer: C
Question: For a twos complement representation, the truncation error is ____________
Options:
Always positive
Always negative
Zero
None of the mentioned
Answer: A
Question: Which of the following magnification of the ocular will occupy maximum retinal surface?
Options:
1X
5X
20X
50X
Answer: D
Question: Efficiency calculated by Swinburne’s test is _____________
Options:
Exactly equal
Over-estimated
Under-estimated
Depends on the manual errors
Answer: C
Question: In ideal diode model diode in reverse bias is considered as a ___________
Options:
Resistor
Perfect conductor
Perfect insulator
Capacitor
Answer: C
Question: What is the remainder if we divide 6x3 + x2 – 2x + 4 by x-2 ?
Options:
48
52
-26
-24
Answer: B
Question: The steady flow energy equation is applied to which of the following processes?
Options:
pipe line flows
heat transfer processes
combustion processes
all of the mentioned
Answer: B
Question: The number of tuples in an extended Non Deterministic Finite Automaton:
Options:
5
6
7
4
Answer: A
Question: StarBand provides __________
Options:
FTTH internet access
Cable access
Telephone access
Satellite access
Answer: D
Question: The ___________________ is a standard for exchanging authentication and authorization information between different security domains, to provide cross-organization single sign-on.
Options:
OpenID
Sign-on system
Security Assertion Markup Language (SAML)
Virtual Private Database (VPD)
Answer: C
Question: Air vessel accumulates excess quantity of ______
Options:
Vapor
Water
Heat
Pressure
Answer: C
Question: What is the factor that differentiates between Electroless deposition and Cathodic deposition?
Options:
Nature of electrolyte
Cathode
External field
Anode
Answer: C
Question: The functions of ATP are ___________
Options:
ATP acts as the main source of energy in cells
Plays a role in transporting solutes and proteins across cell membranes
Contribute to the building blocks of DNA
All of the mentioned
Answer: D
Question: If a 12-sided fair die is rolled twice, find the probability that both rolls have a result of 8.
Options:
\(\frac{2}{19}\)
\(\frac{3}{47}\)
\(\frac{1}{64}\)
\(\frac{2}{9}\)
Answer: C
Question: Consider the curvature of the function f(x) = ex at x=0. The graph is scaled up by a factor of and the curvature is measured again at x=0. What is the value of the curvature function at x=0 if the scaling factor tends to infinity?
Options:
a
2
1
0
Answer: A
Question: The formula used to find the capacitance C is __________
Options:
Q/v
Qv
Q-v
Q + v
Answer: B
Question: If the temperature is half the original temperature, the volume of black-body radiation is to be ____ adiabatically ____ times its original volume for radiation to remain at equilibrium.
Options:
decreased, four
decreased, eight
increased, four
increased, eight
Answer: C
Question: Increasing the mean stress ___________ the crack growth rate.
Options:
increases
decreases
does not change
no relationship
Answer: B
Question: Find the Expectation of a Hypergeometric Distribution such that the probability that a 4-trial hypergeometric experiment results in exactly 2 successes, when the population consists of 16 items.
Options:
1/2
1/4
1/8
1/3
Answer: C
Question: Which of the following is a method in which high pressurized fluid is used?
Options:
Galvanizing
Glazing
Hydroforming
Metal punching
Answer: C