b6Amine/MNLP_M3_quantized_dataset huggingface dataset:
Question: Which of the following diagram is the correct representation of the dislocation loop?
Options:
<img src="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9d.png" alt="mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9d" width="455" height="189" class="alignnone size-full wp-image-265633" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9d.png 455w, https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9d-300x125.png 300w" sizes="(max-width: 455px) 100vw, 455px" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9b.png" alt="mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9b" width="451" height="179" class="alignnone size-full wp-image-265635" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9b.png 451w, https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9b-300x119.png 300w" sizes="(max-width: 451px) 100vw, 451px" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9c.png" alt="mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9c" width="468" height="174" class="alignnone size-full wp-image-265634" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9c.png 468w, https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9c-300x112.png 300w" sizes="(max-width: 468px) 100vw, 468px" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9a.png" alt="mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9a" width="456" height="194" class="alignnone size-full wp-image-265636" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9a.png 456w, https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-burger-vector-dislocation-loop-q9a-300x128.png 300w" sizes="(max-width: 456px) 100vw, 456px" />
Answer: A
Question: What is the worst case time complexity of insertion operation(n =no. of candidates)?
Options:
O(1)
O(n)
O(log n)
O(n log n)
Answer: B
Question: A self-relocating program is one which?
Options:
Cannot execute in any area of storage other than the one designated
Consists of a program and  information for its relocation
None of the mentioned
All of the mentioned
Answer: C
Question: Which of the following describes the average fading rate within a local area?
Options:
Angular spread
Angular constriction
Azimuthal direction of maximum fading
Angle of arrival
Answer: A
Question: Find the angle between the vectors if \(|\vec{a}|=|\vec{b}|=3\sqrt{2}\) and \(\vec{a}.\vec{b}=9\sqrt{3}\).
Options:
\(\frac{π}{6}\)
\(\frac{π}{5}\)
\(\frac{π}{3}\)
\(\frac{π}{2}\)
Answer: A
Question: The Laplace transform of a signal is given as Y(s) = \(\frac{1}{s(s-1)}\), then the final value is ___________
Options:
-1
0
1
Unbounded
Answer: D
Question: Which grammar is not regular?
Options:
0^n
0^n 1^n n
0^m 0^n n
0^n 0^n n
Answer: D
Question: What are the parts of network structure?
Options:
Workstation
Gateway
Laptop
All of the mentioned
Answer: D
Question: Calculate the theoretical channel capacity. If SNR(dB) = 36 and the channel bandwidth is 2 MHz.
Options:
12 Mbps
24 Mbps
16 Mbps
32 Mbps
Answer: B
Question: What are the boiling and melting points of Ammonia respectively?
Options:
-33.4 Celsius & -77.7 Celsius
-77.7 Celsius & -33.4 Celsius
-10.6 Celsius & -20.3 Celsius
None of the mentioned
Answer: A
Question: Which of the following layer is known as absorption layer for short waves?
Options:
E layer
F1 layer
F2 layer
D layer
Answer: D
Question: Drive mechanism consists of ________
Options:
main drives
the gear box
quick return mechanism
all of the mentioned
Answer: A
Question: The disk drive is connected to the system by using the _____
Options:
PCI bus
SCSI bus
HDMI
ISA
Answer: D
Question: Which of the following are included in the types of glycolipids?
Options:
N-acetylgalactosamine
N-acetylglucosamine
Xylose
Cerebrosides
Answer: D
Question: Which of the following is not a disadvantage to the usage of array?
Options:
Fixed size
There are chances of wastage of memory space if elements inserted in an array are lesser than the allocated size
Insertion based on position
Accessing elements at specified positions
Answer: D
Question: For any process which is undergone by a system
Options:
dQ/T>=ds
dQ/T<=ds
dQ/T≠ds
none of the mentioned
Answer: C
Question: The angular velocity of the pinion is 25 rad/s and that of the gear is 10 rad/s. The path of approach is equal to 15 mm. Find the velocity of sliding at the beginning of contact.
Options:
394 mm/s
525 mm/s
134 mm/s
348 mm/s
Answer: B
Question: 12. What is output of the following program?<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="txt"><pre class="de1"> int main() { &nbsp; &nbsp;&nbsp; fork();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; fork();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; fork(); &nbsp; &nbsp; &nbsp; if (wait(0) == -1)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printf("leaf child\n");&nbsp;&nbsp; }</pre></div></div></div></div></div></div>
Options:
“leaf child” will be printed 1 times
“leaf child” will be printed 3 times
“leaf child” will be printed 4 times
“leaf child” will be printed 8 times
Answer: C
Question: The scatter between the fatigue life data for different samples ____________ with increase in the stress value.
Options:
increases
decreases
remains constant
no relation
Answer: A
Question: Which of the following is INCORRECT for the lock-and-key model?
Options:
It is used to describe the binding process
The active site of the enzyme is complementary to the substrate
It demonstrates enzyme-substrate complex
The binding of the substrate produces a conformational change in enzyme
Answer: A
Question: Which of the following is an example of electrochemical principles of metallurgy?
Options:
Baeyer’s process
Solvay process
Bergius process
Hall-Heroult process
Answer: D
Question: Which of the technique can be used to prove that a language is non regular?
Options:
Ardens theorem
Pumping Lemma
Ogden’s Lemma
None of the mentioned
Answer: D
Question: What is the amount of nitrogen used in HPF steel?
Options:
Less than 0.03%
Less than 0.02%
Less than 0.04%
Less than 0.05%
Answer: B
Question: Plasmagel is known as __________________
Options:
cytoplasm
endoplasm
ectoplasm
myonemes
Answer: B
Question: How many lenses are used in Fresnel Diffraction?
Options:
Two Convex lenses
Two Concave lenses
One Convex lens
No lens used
Answer: D
Question: What would have been the average temperature of Earth without greenhouse gases?
Options:
0oC
-7oC
-9oC
-19oC
Answer: D
Question: In the Nicol Prism experiment, the calcite crystal length is x times its breadth. What is x?
Options:
2
3
1/2
1/3
Answer: B
Question: On subtracting +28 from +29 using 2’s complement, we get ____________
Options:
11111010
111111001
100001
1
Answer: D
Question: Which of the following factor is least important for an involute profile?
Options:
Number of teeth
Pressure angle
Pitch
Gear it mates with
Answer: D
Question: Which mode requires the implementation of only the encryption algorithm?
Options:
ECB
CBC
CTR
OFB
Answer: C
Question: Find the positive root of the equation 3x-cosx-1 using Regula Falsi method and correct upto 4 decimal places.
Options:
0.6701
0.5071
0.6071
0.5701
Answer: A
Question: Which among the following methods enable identification of learning opportunities in machine learning in cognitive radio?
Options:
Gamma distribution
Joint probability statistics
Variance
Uniform distribution
Answer: B
Question: The problem where process concurrency becomes an issue is called as ___________
Options:
Philosophers problem
Bakery problem
Bankers problem
Reader-writer problem
Answer: A
Question: Adiabatic system is a perfectly insulated system. The statement is
Options:
True
False
Applicable for some systems
None of the mentioned
Answer: A
Question: ________ cores are used to produce pipe bends.
Options:
Left and Right hand core box
Split box core box
Half core box
Pump core box
Answer: A
Question: What are DPDT relays?
Options:
Single pole, single throw
Single pole, double throw
Double pole, double throw
None of the mentioned
Answer: C
Question: For any function fof -1(x) is equal to?
Options:
x
1
x2
none of the mentioned
Answer: A
Question: Which of the following shows the best fracture strength?
Options:
Zircon
Macor
Alumina
There fracture strength are not comparable
Answer: A
Question: Merge sort uses which of the following method to implement sorting?
Options:
merging
partitioning
selection
exchanging
Answer: A
Question: Which of the following is a potent cloud-building technology?
Options:
vSphere
HyperCube
vCube
All of the mentioned
Answer: A
Question: A ____________WAN can be developed using leased private lines or any other transmission facility
Options:
Hybrids
peer-to-peer
Two-tiered
Three-tiered
Answer: B
Question: The degrees of freedom of a two-node bar element are:
Options:
1
2
3
4
Answer: C
Question: Which of the following is the condition for the boiling of a liquid?
Options:
Absolute pressure of a liquid must be greater than or equal to it’s vapor pressure
Absolute pressure of a liquid must be less than or equal to it’s vapor pressure
Absolute pressure of a liquid must be equal to it’s vapor pressure
Absolute pressure of a liquid must be greater than it’s vapor pressure
Answer: B
Question: Theorotical velocity = _______
Options:
(2gh)1/3
(2gh)1/2
(2gh)1/4
2gh
Answer: C
Question: Which of the following statements is appropriate for Stockbarger method?
Options:
Solidification is achieved by passing the melt through a concentration gradient
Solidification is achieved by passing the melt through a temperature gradient
Liquefaction is achieved by passing the melt through a concentration gradient
Liquefaction is achieved by passing the melt through a temperature gradient
Answer: B
Question: COBOL stands for _________
Options:
Common Business Oriented Language
Common Business Object Language
Common Beneficial Oriented Language
Common Beneficial Object Language
Answer: A
Question: In the equation U-0.9D + 1.6W + 1.6H, what is the load factor for H if the structural action of H counteracts that due to W or E?
Options:
0.1
0.05
0.005
0
Answer: D
Question: You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?
Options:
Class A, Subnet 172.16.13.0, Broadcast address 172.16.13.127
Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.127
Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.255
Class B, Subnet 172.16.0.0, Broadcast address 172.16.255.255
Answer: B
Question: Which of the following is not a valid file type on Linux
Options:
Socket
Softlink
Inode
FIFO
Answer: D
Question: The instruction in which adjustment is made before performing the operation is
Options:
AAA
AAS
AAM
AAD
Answer: D
Question: In the iron-iron carbide diagram, what is the carbon percentage by weight at eutectic point?
Options:
0.8%
3%
4.3%
6.67%
Answer: C
Question: 12. What will be the output of the following program?<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="c"><pre class="de1">main<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> <span class="kw4">char</span> str<span class="br0">[</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">"san foundry"</span><span class="sy0">;</span> <span class="kw4">int</span> len <span class="sy0">=</span> <span class="kw3">strlen</span><span class="br0">(</span>str<span class="br0">)</span><span class="sy0">;</span> <span class="kw4">int</span> i<span class="sy0">;</span> &nbsp; <span class="kw1">for</span><span class="br0">(</span>i<span class="sy0">=</span><span class="nu0">0</span><span class="sy0">;</span>i<span class="sy0">&lt;</span>len<span class="sy0">;</span>i<span class="sy0">++</span><span class="br0">)</span> push<span class="br0">(</span>str<span class="br0">[</span>i<span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span> <span class="co1">// pushes an element into stack</span> &nbsp; <span class="kw1">for</span><span class="br0">(</span>i<span class="sy0">=</span><span class="nu0">0</span><span class="sy0">;</span>i<span class="sy0">&lt;</span>len<span class="sy0">;</span>i<span class="sy0">++</span><span class="br0">)</span> pop<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> <span class="co1">//pops an element from the stack</span> <span class="br0">}</span></pre></div></div></div></div></div></div>
Options:
sanfoundry
san foundry
yrdnuof nas
foundry nas
Answer: B
Question: In the device driver model the device_driver object contains the
Options:
name of the device driver
embedded kobjects
method for probing a device
all of the mentioned
Answer: D
Question: Which one of the following RC4 algorithm not used in?
Options:
SSL
TLS
FTP
WEP
Answer: D
Question: Law of Definite Composition is also known as ________
Options:
Law of Multiple Proportions
Avogadro’s Law
Law of Definite Proportion
Law of Conservation of Mass
Answer: C
Question: 3. What is the output of this program?<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="c"><ol><li class="li1"><pre class="de1"> <span class="co2">#include&lt;stdio.h&gt;</span></pre></li><li class="li1"><pre class="de1"> <span class="co2">#include&lt;fcntl.h&gt;</span></pre></li><li class="li1"><pre class="de1">&nbsp;</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="kw4">int</span> fd<span class="sy0">,</span> count<span class="sy0">;</span></pre></li><li class="li1"><pre class="de1"> fd <span class="sy0">=</span> open<span class="br0">(</span><span class="st0">"san.c"</span><span class="sy0">,</span>O_RDONLY<span class="br0">)</span><span class="sy0">;</span></pre></li><li class="li1"><pre class="de1"> count <span class="sy0">=</span> write<span class="br0">(</span>fd<span class="sy0">,</span><span class="st0">"Linux"</span><span class="sy0">,</span><span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">if</span><span class="br0">(</span>count <span class="sy0">!=</span> <span class="nu0">5</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="kw3">perror</span><span class="br0">(</span><span class="st0">"write"</span><span class="br0">)</span><span class="sy0">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">return</span> <span class="nu0">0</span><span class="sy0">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li></ol></div></div></div></div></div></div>
Options:
it will write the string “Linux” in the beginning of source file “san.c”
it will write the string “Linux” in the end of the source file “san.c”
segmentation fault
none of the mentioned
Answer: D
Question: The gain margin in dBs of a unity feedback control system whose open loop transfer function, G(s) H(s) =1/s(s+1) is
Options:
0
1
-1
∞
Answer: B
Question: 4. What will be the output of the following Python code if the system date is 18th June, 2017 (Sunday)?<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="python"><pre class="de1"><span class="kw1">import</span> <span class="kw3">datetime</span> tday<span class="sy0">=</span><span class="kw3">datetime</span>.<span class="me1">date</span>.<span class="me1">today</span><span class="br0">(</span><span class="br0">)</span> <span class="kw1">print</span><span class="br0">(</span>tday<span class="br0">)</span></pre></div></div></div></div></div></div>
Options:
18-06-2017
06-18-2017
2017-06-18
Error
Answer: C
Question: When there will be a rapid build-up of solute ahead of the solid and a correspondingly rapid increase in the composition of the solid formed. This is known as ___
Options:
Final transient
Cover up
Random order
Initial transient
Answer: D
Question: As dimensionality of input vector increases, what happens to linear separability?
Options:
increases
decreases
no effect
doesn’t depend on dimensionality
Answer: B
Question: Determine the number of derangements of (2, 4, 6, 1, 3, 5) that end with integer 2, 4 and 6 in some order?
Options:
128
29
54
36
Answer: D
Question: 50 ml of standard and hard water containing 1mg of pure CaCO3 per ml consumed 10ml of EDTA solution. 50ml of given EDTA sample requires 10ml of same EDTA solution. Calculate the total hardness of water sample in ppm.
Options:
10ppm
100ppm
1000ppm
10000ppm
Answer: C
Question: What are the basic functions of a timer?
Options:
it provided a time delay
it can act as a counter
it can control the compare, capture mode
all of the mentioned
Answer: D
Question: A FET circuit has a transconductance of 2500 µ seconds and drain resistance equals to 10Kohms than voltage gain will be __________
Options:
20
25
30
35
Answer: B
Question: The post effects of the armature reaction is _________
Options:
main field distortion
shift in MNA
reduction in main field
none of the mentioned
Answer: A
Question: The operational cost of the ion exchange process is __________
Options:
High
Low
Very high
Very low
Answer: B
Question: What is the worst case search time of a hashing using separate chaining algorithm?
Options:
O(N log N)
O(N)
O(N2)
O(N3)
Answer: A
Question: Every cycle of β-oxidation produces ____________
Options:
1 FAD, 1 NAD+ and 2 CO2 molecules
1 FADH2, 1 NADH and 1 acetyl co-A
1 FADH2, 1 NAD+ and 1 acetyl co-A
1 FAD, 1 NADH and 2 CO2 molecules
Answer: B
Question: The ratio of the filter bandwidth at -60db and -6db amplitude response point is called as _____
Options:
Half point factor
Normalized factor
Shape factor
None of the mentioned
Answer: C
Question: ITU-T Video Coding Experts Group (VCEG) and the ISO/IEC Moving Picture Experts Group (MPEG) created the __________ standard.
Options:
JVM
JVT
JVS
All of the mentioned
Answer: B
Question: What is the time per operation of merging, insertion and deletion operations in a skew heap?
Options:
O(N)
O(log N)
O(N log N)
O(N2)
Answer: B
Question: Chain-termination mutations in coat proteins genes are carried out. The coat protein coat genes used are __________
Options:
A gene
D gene
E and D gene
D and A gene
Answer: D
Question: For some number a, b and c, ca x cb is equal to _________
Options:
ca-b
ca+b
c
none of the mentioned
Answer: B
Question: If you are given only a compass and a ruler which angle is not possible to construct?
Options:
37.5
33.75
40
120
Answer: C
Question: The green solvent maximises the atom _________
Options:
Molecular weight
Electronic configuration
Velocity
Efficiency
Answer: D
Question: When two equilibrium states are infinitesimally near,
Options:
dQ/T=dS
dQ/T>dS
dQ/T<dS
none of the mentioned
Answer: B
Question: Number of revolutions are 10 and the pitch is 2mm. Find the length of spring.
Options:
10
40
30
20
Answer: D
Question: Which of the following is not a favorable condition for the formation of mechanical twins?
Options:
The rapid rate of loading
Low temperature
BCC or HCP lattice
Higher temperature
Answer: A
Question: The deep copy is possible only with the help of __________
Options:
Implicit copy constructor
User defined copy constructor
Parameterized constructor
Default constructor
Answer: B
Question: If all letters have the same chance of being chosen, the IC is approximately
Options:
0.065
0.035
0.048
0.038
Answer: A
Question: What is the disadvantage of real addressing mode?
Options:
there is a lot of cost involved
time consumption overhead
absence of memory protection between processes
restricted access to memory locations by processes
Answer: C
Question: What is the accuracy of top and supporting surface of type 3 precision polygon as per IS: 6987-1973?
Options:
0.005 and 0.04 mm
0.0025 and 0.005
0.007 and 0.0035
0.001 and 0.002 mm
Answer: A
Question: Lubricating oil having low aniline point results in _________
Options:
Deterioration of metal
Deterioration of rubber
Deterioration of wall of jar
Deterioration of iron
Answer: D
Question: Divergence of Magnetic field is ______
Options:
volume charge density ρv
zero
infinite
dependent on magnetic field vector
Answer: B
Question: Which of the following lines should be inserted to complete the above code?
Options:
i > j
i < len
j > 0
i < j
Answer: D
Question: Which of the following has the highest permeability in a resting nerve cell?
Options:
Na+
Cl–
I–
K+
Answer: A
Question: A rectangular pulse of duration T is applied to a matched filter. The output of the filter is a
Options:
Rectangular pulse of duration T
Rectangular pulse of duration 2T
Triangular pulse
Sine function
Answer: C
Question: Which of the following is not a build system feature?
Options:
Minimal recompilation
Documentation generation
Storage management
Reporting
Answer: C
Question: A 315V, 3-phase 400 MVA alternator is running at no load at constant excitations. The most appropriate representation in space domain is?
Options:
<img src="https://www.sanfoundry.com/wp-content/uploads/2016/05/operating-1a.png" alt="operating 1a" width="90" height="282" class="alignnone size-full wp-image-124421" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2016/05/operating-1b.png" alt="operating 1b" width="120" height="253" class="alignnone size-full wp-image-124422" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2016/05/operating-1c.png" alt="operating 1c" width="83" height="269" class="alignnone size-full wp-image-124423" />
<img src="https://www.sanfoundry.com/wp-content/uploads/2016/05/operating-1d.png" alt="operating 1d" width="50" height="258" class="alignnone size-full wp-image-124424" />
Answer: A
Question: The area under the load curve represents ____________
Options:
the average load on power system
maximum demand
number of units generated
load factor
Answer: C
Question: Which of the following term will be seen in the plastic zone?
Options:
Yield point
Fracture point
Proportional limit
Elastic limit
Answer: B
Question: Labelling of the lattice planes is done by using ___________
Options:
Bragg’s indices
Miller indices
Stockbarger indices
Dalton’s indices
Answer: B
Question: Which of these is incorrect for a Wien Bridge oscillator?
Options:
Low distortion
Good stability at the resonant frequency
Difficult to tune
Based on frequency selective form of a Wheatstone bridge
Answer: C
Question: Let L denotes the language generated by the grammar S – OSO/00. Which of the following is true?
Options:
L = O
L is regular but not O
L is context free but not regular
L is not context free
Answer: B
Question: With reference to root locus, the complex conjugate roots of the characteristic equation of the O.L.T.F. given below G(s)H(s) =K(s+3)/(s+1)2, lie on
Options:
Straight line
Parabola
Circle
Semi-circle
Answer: C
Question: Which of the following was built to serve as a mobile platform for Internet computing?
Options:
Windows Phone
Android
Symbian
All of the mentioned
Answer: B
Question: Small DC motors have best speed control by _________
Options:
armature voltage control
field resistance control
any of the methods
none of the mentioned
Answer: A