b6Amine/MNLP_M3_quantized_dataset huggingface dataset:
Question: 2. 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">"sanfoundry.txt"</span><span class="sy0">,</span>O_WRONLY<span class="sy0">|</span>O_CREAT<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 System Programming"</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 create a file “sanfoundry.txt” in the present working directory
it will write the string “Linux System Programming” in the file “sanfoundry.txt”
all of the mentioned
none of the mentioned
Answer: A
Question: The first widely-used high level language developed in 1957.
Options:
C
Java
Fortran
Cobol
Answer: B
Question: Given that E and F are events such that P(E) = 0.5, P(F) = 0.4 and P(E∩F) = 0.3, then what will be the value of P(F|E)?
Options:
2/5
3/5
3/4
2/4
Answer: A
Question: X.509 certificate recommends which cryptographic algorithm?
Options:
RSA
DES
AES
Rabin
Answer: A
Question: Why Brinell and Vickers hardness test results show similarities?
Options:
Same material indenter
Geometrically similar indentations
Applied load is same
Same size indenter
Answer: B
Question: The fullerenes that are larger in diameter than nano tubes and having walls of different thickness are ____________
Options:
Mega tubes
Carbon nano tubes
Bucky ball clusters
Polymers
Answer: A
Question: Name those organisms who can breed only once in their lifetime?
Options:
Dispersed
Clumped
Iteroparous
Semelparous
Answer: D
Question: Excision of DNA flanked by loxP sequences is also known as _________
Options:
subtle excision
croxing
floxing
sequence specific excision
Answer: C
Question: Cellulose is the most important constituent of plant cell wall. What are its constituents?
Options:
branched chain of glucose molecules linked by (3-1, 4 glycosidic bond in straight chain and a-1, 6 glycosidic bond at the site of branching
unbranched chain of glucose molecules linked by (3-1, 4 glycosidic bond)
branched chain of glucose molecules linked by a-1, 6 glycosidic bond at the site of branching
unbranched chain of glucose molecules linked by a-1, 4 glycosidic bond
Answer: D
Question: The force analysis on a curved vane is understood using______
Options:
Velocity triangles
Angle of the plate
Vane angles
Plate dimensions
Answer: A
Question: Which is the most suitable place to build a hydroelectric power plant?
Options:
Deserts
Grasslands
Hilly areas
Underground
Answer: C
Question: Which of the following is the correct expression for the Schrödinger wave function?
Options:
\(i\hbar \frac{d\Psi}{dt} = -i\frac{\hbar}{2m} \frac{\partial\Psi}{\partial x}+ U\Psi\)
\(i\hbar \frac{d\Psi}{dt} = -i\frac{\hbar}{2m} \frac{\partial^2 \Psi}{\partial x^2}+ U\Psi\)
\(i\hbar \frac{d\Psi}{dt} = -i\frac{\hbar^z}{2m} \frac{\partial\Psi}{\partial x}+ U\Psi\)
\(i\hbar \frac{d\Psi}{dt} = -i\frac{\hbar^z}{2m} \frac{\partial^2\Psi}{\partial x^2}+ U\Psi \)
Answer: D
Question: Which of the following detectors are not used in analyzers based on gas density?
Options:
Hot wire
Platinum filament
Thermistor
Thermometer
Answer: D
Question: What is general dwell time?
Options:
20 seconds
2 minutes
20 minutes
2 hours
Answer: C
Question: What is the total voltage gain of a difference amplifier if the gain of first stage is 10dB, gain of the second stage is 20dB and gain of third stage is 30dB?
Options:
60.32dB
50dB
60dB
50.32dB
Answer: C
Question: Synchronous motor delivers lagging power at __________
Options:
leading pf
lagging pf
zero pf
unity pf
Answer: A
Question: The power density radiated by an isotropic antenna is given by the relation:
Options:
Pt/4πR2
Pt/4R2
Pt/R2
None of the mentioned
Answer: A
Question: If current of a diode changes from 1mA to 10mA what will be the change in voltage across the diode. The ideality factor of diode is 1.2.
Options:
0.718V
7.18V
0.0718V
0.00728V
Answer: C
Question: Evaluation of \(\int\int_R f(x,y) \,dx \,dy \) in cartesian coordinate can be done using change of variables principle, among the choices given below which is correct explanation of change of variables principle? (Given let x=g(u,v) & y=h(u,v))
Options:
\(\int\int_S f(g(u,v),h(u,v)) \,du \,dv\)
\(\int\int_S f(g(u,v),h(u,v)) \frac{d(x,y)}{d(u,v)} \,du \,dv\)
\(\int\int_S f(g(u,v),h(u,v)) \frac{∂(x,y)}{∂(u,v)} \,du \,dv\)
\(\int\int_S f(g(u,v),h(u,v)) \frac{∂(u,v)}{∂(x,y)} \,du \,dv\)
Answer: C
Question: For avoiding the reduction of the residual hardness, incomplete precipitation and slow reaction, The reaction is carried out at __________ temperature.
Options:
30-40oC
40-50oC
50-60oC
60-70oC
Answer: C
Question: The on-chip cache is controlled by
Options:
Cache disable(CD)
No write through(NW)
Cache disable and No write through
None of the mentioned
Answer: C
Question: Equilibrium shapes can be determined experimentally by________
Options:
Annealing large void inside a crystals
Annealing large crystals at high temperature
Annealing small crystals at low temperature
Annealing small void inside a crystals
Answer: A
Question: The SI units for torsion is __________
Options:
N m
N
N/m
m
Answer: A
Question: The value cos-1(-3/7) + cos-1(2/7) + cos-1(6/7) is ____________
Options:
215.4˚
273.4˚
188.4˚
219.4˚
Answer: D
Question: Which of the following enzymes transcribe late genes?
Options:
ligases
nucleases
RNA polymerase
restriction enzymes
Answer: A
Question: In the Phase 2 of the Handshake Protocol Action, the step server_key_exchange is not needed for which of the following cipher systems?
Options:
Fortezza
Anonymous Diffie-Hellman
Fixed Diffie-Hellman
RSA
Answer: D
Question: Which element is mostly used in the capacitive accelerometers for sensing?
Options:
Germanium
Silicon
Lead
Carbon
Answer: B
Question: What is not the condition for the equilibrium in the beams if considered a section on which the method of sections is applied?
Options:
∑Fx=0
∑Fy=0
∑Fz=0
∑F≠0
Answer: C
Question: In a centrifugal clutch, total frictional torque transmitted = µ(Pc – Ps)R × n; where Pc is the ____________________ acting on each shoe and is given by the formula Pc = _______
Options:
centrifugal force, mω12r
inward force, mω2r
centrifugal force, mω2r
inward force, mω12r
Answer: C
Question: Virtual circuit identifier in frame relay is called ______
Options:
data link connection identifier
frame relay identifier
cell relay identifier
circuit connection identifier
Answer: A
Question: The most common reason for the degradation of petroleum oil is their _________
Options:
Volatility
Oxidation
Reduction
Temperature coefficient
Answer: B
Question: The situation wherein the data of operands are not available is called ______
Options:
Data hazard
Stock
Deadlock
Structural hazard
Answer: A
Question: What is a job?
Options:
group of tasks
group of commands
group of processes
group of signals
Answer: C
Question: A scooter weighs 120kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4.
Options:
60kg f
48kg f
25kg f
32kg f
Answer: B
Question: In the shunt equalizer, the current flowing from the source is?
Options:
Vmax(2Ro+jX1)/2Ro(Ro+jX1)
Vmax(Ro+jX1)/Ro(Ro+jX1)
Vmax(Ro+jX1)/2Ro(Ro+jX1)
Vmax(2Ro+jX1)/Ro(Ro+jX1)
Answer: A
Question: What does “PUMA” stand for in context to robotics?
Options:
Programmable used machine to assemble
Programmed utility machine for assembly
Programmable universal machine for assembly
Programmed utility machine to assemble
Answer: A
Question: a(b+c) = ac+bc is the representation for which property?
Options:
G-ii
G-iii
R-ii
R-iii
Answer: B
Question: Each personal computer has a _________ that manages the computer’s arithmetical, logical and control activities.
Options:
Microprocessor
Assembler
Microcontroller
Interpreter
Answer: A
Question: 8. Which one of the following rules determine the mapping of s-plane to z-plane?
Options:
Right side of the s-plane maps into outside of the unit circle in z-plane
Left half of s-plane maps into inside of the unit circle
Imaginary axis in s-plane maps into the circumference of the unit circle
All of the mentioned
Answer: C
Question: In zigzag lap joint formation when P is the pitch between the rivets, the distance between the rows of rivets should not be less than _____
Options:
0.6P
0.8P
P
1.2P
Answer: B
Question: A single phase 50 hz, generator supplies an inductive load of 5 MW at a power factor of 0.8 lagging using OHTL over 20 km. The resistance and reactance are 0.39Ω and 3.96 Ω. The voltage at receiving station is maintained at 10 KV. Identify the transmission line and the voltage regulation.
Options:
STL, 11.68%
MTL, 11.68
STL, 21.5%
MTL, 14.2%
Answer: A
Question: According to lumped system analysis, solid possesses thermal conductivity that is
Options:
Infinitely large
Infinitely small
Moderate
50% small
Answer: A
Question: _________ model consists of the particular types of services that you can access on a cloud computing platform.
Options:
Service
Deployment
Application
None of the mentioned
Answer: A
Question: Unsteady state is also known as Transient state, the statement is
Options:
True
False
Applicable for some systems
None of the mentioned
Answer: A
Question: Which of the following is true about f(z)=\(\frac{z^2+(iz)^2}{z^2}\)?
Options:
Continuous and differentiable
Continuous but not differentiable
Neither continuous nor differentiable
Differentiable but not continuous
Answer: A
Question: Which of the following is the oldest database model?
Options:
Relational
Hierarchical
Physical
Network
Answer: D
Question: What is the gap at synapses(in nanometer)?
Options:
50
100
150
200
Answer: D
Question: What does SPM stand for?
Options:
scratch pad memories
sensor parity machine
scratch pad machine
sensor parity memories
Answer: A
Question: Which of the following is not a reason for the wavy appearance Slip lines in bcc metals?
Options:
The slip occurs on several planes, (110), (112), (123) but always in the close-packed (111) direction
Dislocations can readily move from one type of plane to another by cross sip
Higher shearing stresses are required to cross-slip
The ductile nature of BCC causes wavy nature
Answer: D
Question: A Biphasic oscillator produces output signal that have
Options:
Cosine wave only
Both sine and cosine wave
Two identical sine wave
Two identical cosine wave
Answer: C
Question: Which microscope was used by Anton van Leeuwenhoek?
Options:
single-lens
confocal microscope
double-lens
compound microscope
Answer: C
Question: What is the raw channel bit error rate of Bluetooth?
Options:
10-3
10-10
103
10-1
Answer: A
Question: R is a binary relation on a set S and R is reflexive if and only if _______
Options:
r(R) = R
s(R) = R
t(R) = R
f(R) = R
Answer: A
Question: What is unsupervised learning?
Options:
weight adjustment based on deviation of desired output from actual output
weight adjustment based on desired output only
weight adjustment based on local information available to weights
none of the mentioned
Answer: C
Question: The J integral method is used for the _______________ materials.
Options:
high strength plastic materials
low strength ductile material
low strength brittle material
high strength brittle material
Answer: B
Question: Refer to Q9 and answer what is the enthalpy change for the reaction of 100.0 g of nitrogen with excess oxygen?
Options:
1164 kJ
1190 kJ
1194 kJ
1160 kJ
Answer: C
Question: Which of the following causes web buckling in plate girder?
Options:
diagonal tension
diagonal compression
diagonal tension and diagonal compression
neither diagonal tension nor diagonal compression
Answer: B
Question: The CPU is also called as ________
Options:
Processor hub
ISP
Controller
All of the mentioned
Answer: B
Question: How many OR gates are required for an octal-to-binary encoder?
Options:
3
2
8
10
Answer: A
Question: At a pressure below the triple point line,
Options:
the substance cannot exist in the liquid phase
the substance when heated transforms from solid to vapour
both of the mentioned
none of the mentioned
Answer: D
Question: The data type, “one quad word” packs __________ into 64-bit.
Options:
two 32-bit quantities
four 16-bit words
one 32-bit and two 16-bit quantities
one single 64-bit quantity
Answer: D
Question: Which phase of the compiler is Lexical Analyser?
Options:
First
Second
Third
None of the mentioned
Answer: A
Question: The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is
Options:
(-j – k)/1.414
(-i – k)/1.414
(-i – j)/1.414
(-i – j – k)/1.414
Answer: A
Question: Find the magnitude of \(\vec{a}\) and \(\vec{b}\) which are having the same magnitude and such that the angle between them is 60° and their scalar product is \(\frac{1}{4}\).
Options:
\(|\vec{a}|=|\vec{b}|=\frac{1}{2√2}\)
\(|\vec{a}|=|\vec{b}|=\frac{1}{√2}\)
\(|\vec{a}|=|\vec{b}|=\frac{1}{2√3}\)
\(|\vec{a}|=|\vec{b}|=\frac{2}{√3}\)
Answer: A
Question: Find the divergence of the vector yi + zj + xk.
Options:
-1
0
1
3
Answer: A
Question: Gold, Copper and lead are the examples of ______
Options:
Ductility
Creep
Plasticity
Malleability
Answer: C
Question: What is the maximum energy that can be stored in a capacitor?
Options:
Depends on the maximum area of the capacitor
Depends on the maximum resistance offered
Depends on the maximum electric field
Depends on the maximum current passing through the capacitor
Answer: A
Question: The binary address issued to data or instructions are called as ______
Options:
Physical address
Location
Relocatable address
Logical address
Answer: B
Question: The resultant of two alternating sinusoidal voltages or currents can be found using ___________
Options:
Triangular law
Parallelogram law
Either triangular or parallelogram law
Neither triangular nor parallelogram law
Answer: A
Question: Which of the following is the product formed when methyl propanoate and ethanol in presence of hydrochloric acid?
Options:
Ethyl ethanoate
Methyl ethanoate
Ethyl propanoate
Propyl ethanoate
Answer: A
Question: Active heat sinks are also called as ___________
Options:
fans
on sinks
high sinks
normal sinks
Answer: A
Question: Which statement is true regarding classless routing protocol?
Options:
The use of discontinuous networks is not allowed
Use of variable length subnet masks is permitted
RIPv1 is a classless routing protocol
IGRP supports classes routing within the same autonomous system
Answer: B
Question: What is the factor of safety?
Options:
The ratio of total stress to the permissible stress
The ratio of ultimate stress to the permissible stress
The ratio of ultimate stress to the applied stress
The ratio of ultimate stress to the modulus of elasticity
Answer: B
Question: What is the formula for the mmf required for stator teeth?
Options:
stator teeth mmf = mmf per metre / length of flux path in rotor core
stator teeth mmf = mmf per metre + length of flux path in rotor core
stator teeth mmf = mmf per metre * length of flux path in rotor core
stator teeth mmf = mmf per metre – length of flux path in rotor core
Answer: B
Question: The tangential component of an electric field will be continuous in which boundary?
Options:
Conductor-Conductor
Conductor-Dielectric
Dielectric-Dielectric
Any boundary
Answer: D
Question: Cu Kα radiation can ionize 1s electrons in which of the following elements?
Options:
Cobalt
Helium
Nickel
Hydrogen
Answer: A
Question: Which among the following statement is not true?
Options:
In liquid, particles are less regularly arranged and are free to move
Boiling involves breaking up of group of molecules in liquid
Boiling involves clubbing of oppositely charged ions
Thermal energy of particles overcome cohesive forces that hold them
Answer: C
Question: Which of these is true ?
Options:
Generic products and customized products are types of software products
Generic products are produced by organization and sold to open market
Customized products are commissioned by particular customer
All of the mentioned
Answer: D
Question: Point out the wrong statement.
Options:
A random variable is a numerical outcome of an experiment
There are three types of random variable
Continuous random variable can take any value on the real line
None of the mentioned
Answer: B
Question: For a reversible refrigerator, Coefficient of Performance is given by
Options:
T2/(T1-T2)
T1/(T1-T2)
T2/(T2-T1)
T1/(T2-T1)
Answer: D
Question: Once the insitu concrete hardens, we assume the section to be ___________
Options:
Dilithic
Monolithic
Transverse
Longitudinal
Answer: B
Question: Which of the following covalent compounds conduct electricity?
Options:
Silica
Graphite
Diamond
Hydrogen chloride
Answer: B
Question: The value of τm,washout given N = 4 and k=1 is____
Options:
1.06
1.34
2.45
3.86
Answer: A
Question: 1. A system is said to be_____________ if it is possible to transfer the system state from any initial state to any desired state in finite interval of time.
Options:
Controllable
Observable
Cannot be determined
Controllable and observable
Answer: A
Question: Which command of an LCD is used to shift the entire display to the right?
Options:
0x1C
0x18
0x05
0x07
Answer: A
Question: A copper pipe (k = 350 W/m K) having inner diameter of 1.75 cm and 2.0 cm outside diameter conveys water and the oil flows through the annular passage between this pipe and a steel pipe. On the water side, the film coefficient is 4600 W/m2 K and the fouling factor is 0.00034 m2 K/W. The corresponding values for the oil side are 1200 W/m2 K and 0.00086 m2 K/W. Estimate the overall heat transfer coefficient between the oil and water
Options:
235.16 W/m2 K
335.16 W/m2 K
435.16 W/m2 K
535.16 W/m2 K
Answer: D
Question: Which property doesn’t improve on grain refinement?
Options:
Fatigue strength
Tensile strength
Hardness
Creep strength
Answer: D
Question: A synchronous machine is operating at constant load and at unity power factor. If its excitation is increased and then it operates as ___________
Options:
motor at leading p.f
motor at lagging p.f
absorber of reactive power
generator at leading p.f
Answer: B
Question: The crucible inside the furnace is cooled by __________
Options:
Coolant
Air
Water
Gas
Answer: A
Question: How many moles of H2O produced in the reaction?
Options:
5
6
7
8
Answer: A
Question: Sensitivity is defined as _____
Options:
Ip/CW
qu(undisturbed) / qu(remoulded)
Vv/VS
Ww/Wd
Answer: B
Question: Which codec is used in digital audio?
Options:
A-law
µ-law
linear
PCM
Answer: C
Question: A 4-input neuron has weights 1, 2, 3 and 4. The transfer function is linear with the constant of proportionality being equal to 2. The inputs are 4, 10, 5 and 20 respectively. What will be the output?
Options:
238
76
119
123
Answer: A
Question: The net moment of the body is zero that means the distance between the force and the rotational axis is zero.
Options:
The first part of the statement is false and other part is true
The first part of the statement is false and other part is false too
The first part of the statement is true and other part is false
The first part of the statement is true and other part is true too
Answer: A
Question: Which of the following elements comprise of the passive devices?
Options:
Resistors, Capacitors and SCRs
Vacuum Tubes, SCRs and Diodes
Transformers, Inductors and Diodes
Transformers, TRIACs and DIACs
Answer: C
Question: Consider a practical op-amp where the power supply is VCC = +12V and VEE = -12V. The open loop gain is 106 and open loop bandwidth is 5Hz. What is the maximum positive input before which the output is saturated?
Options:
12 mV
0.012 mV
24 mV
12V
Answer: B
Question: 11. The standing wave ratio of short circuited and open circuited lines will be
Options:
0
1
-1
∞
Answer: D
Question: What will be the horizontal force at point C?
Options:
M/4L
-3M/4L
3M/4L
M/2L
Answer: C
Question: How many proposition symbols are there in artificial intelligence?
Options:
1
2
3
4
Answer: B
Question: The arc length of y = cosh⁡x where x varies from 0 to 1 is ____________
Options:
\(\frac{e}{2} – \frac{1}{2e} \)
\(\frac{e}{2} – \frac{1}{2e} + \frac{1}{2e} \)
\(\frac{e}{2} – \frac{1}{2e} \)
2e
Answer: B
Question: 13. Which modeling style does the following code represents?<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="vhdl"><pre class="de1"><span class="kw1">Architecture</span> my_logic <span class="kw1">OF</span> logic_func <span class="kw1">IS</span> <span class="kw1">Component</span> gate_1 <span class="kw1">PORT</span> <span class="br0">(</span>b1, b2 <span class="sy0">:</span> <span class="kw1">IN</span> <span class="kw2">BIT</span><span class="sy0">;</span> s <span class="sy0">:</span> <span class="kw1">OUT</span> <span class="kw2">BIT</span><span class="br0">)</span><span class="sy0">;</span> <span class="kw1">END</span> <span class="kw1">component</span><span class="sy0">;</span> <span class="kw1">Component</span> gate_2 <span class="kw1">IS</span> <span class="kw1">PORT</span> <span class="br0">(</span>b1,b2 <span class="sy0">:</span> <span class="kw1">IN</span> <span class="kw2">BIT</span><span class="sy0">;</span> C <span class="sy0">:</span> <span class="kw1">OUT</span> <span class="kw2">BIT</span><span class="br0">)</span><span class="sy0">;</span> <span class="kw1">END</span> <span class="kw1">component</span><span class="sy0">;</span> <span class="kw1">SIGNAL</span> a, b, sum, carry <span class="sy0">:</span> <span class="kw2">BIT</span><span class="sy0">;</span> <span class="kw1">begin</span> EXOR <span class="sy0">:</span> gate_1 portmap <span class="br0">(</span>a, b, sum<span class="br0">)</span><span class="sy0">;</span> <span class="kw3">AND</span> <span class="sy0">:</span> gate_2 portmap <span class="br0">(</span>a,b ,carry<span class="br0">)</span><span class="sy0">;</span> <span class="kw1">END</span> my_logic</pre></div></div></div></div></div></div>
Options:
Structural
Component
Behavior
Dataflow
Answer: D
Question: In Alkenes the Carbon atoms are connected to each other by a ___________
Options:
Single bond
Double bond
Triple bond
Not connected
Answer: B
Question: Coarse-grain skeleton structure, consist of arrangement of __________
Options:
Soil forming honey comb structure
Coarse grain forming a skeleton
Soil oriented ‘edge-to-edge’ with one another
None of the mentioned
Answer: B
Question: What happens to the coupling coefficient when the flux linkage of coil 1 and coil 2 increases?
Options:
Increases
Decreases
Remains the same
Becomes zero
Answer: A
Question: A transmission line consists of 9 discs of suspension insulator in each string. What is the operating voltage of the transmission line?
Options:
11 KV
33 KV
66 KV
132 KV
Answer: D
Question: Which of the following equations is a result of momentum conservation for inviscid steady flows?
Options:
Bernoulli’s equation
Navier-Stokes equation
First law of thermodynamics
Euler’s equation
Answer: D