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Recent questions tagged gate2017-in
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GATE2017: 31
A series $R-L-C$ circuit is excited with an a.c. voltage source. The quality factor $(Q)$ of the circuit is given as $Q=30$. The amplitude of current in $\text{ampere}$ at upper half-power frequency will be _________.
A series $R-L-C$ circuit is excited with an a.c. voltage source. The quality factor $(Q)$ of the circuit is given as $Q=30$. The amplitude of current in $\text{ampere}$ a...
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2
GATE2017: 32
In the circuit diagram, shown in the figure, $S_1$ was closed and $S_2$ was open for a very long time. At $t=0,\;S_1$ is opened and $S_2$ is closed. The voltage across the capacitor, in volt, at $t=5\mu s$ is _________.
In the circuit diagram, shown in the figure, $S_1$ was closed and $S_2$ was open for a very long time. At $t=0,\;S_1$ is opened and $S_2$ is closed. The voltage across th...
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gate2017-in
numerical-answers
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3
GATE2017: 33
Consider two discrete-time signals: $x_1(n)$={1,1} and $x_2(n)$={1,2} , for $n=0,1$. The Z-transform of the convoluted sequence $x(n)=x_1(n)^*x_2(n)$ is $1+2z^{-1}+3z^{-2}$ $z^2+3z+2$ $1+3z^{-1}+2z^{-2}$ $z^{-2}+3z^{-3}+2z^{-4}$
Consider two discrete-time signals:$x_1(n)$={1,1} and $x_2(n)$={1,2} , for $n=0,1$.The Z-transform of the convoluted sequence $x(n)=x_1(n)^*x_2(n)$ is$1+2z^{-1}+3z^{-2}$$...
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4
GATE2017: 34
Three $DFT$ coefficients, out of five $DFT$ coefficients of a five-point reall sequence are given as: $X(0)=4$, $X(1)=1-j1$ and $X(3)=2+j2$. The zeroth value of the sequence $x(n), \;x(0)$,is $1$ $2$ $3$ $4$
Three $DFT$ coefficients, out of five $DFT$ coefficients of a five-point reall sequence are given as: $X(0)=4$, $X(1)=1-j1$ and $X(3)=2+j2$. The zeroth value of the seque...
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5
GATE2017: 35
The Laplace transform of a casual signal $y(t)$ is $Y(s)$ = $\frac{s+2}{s+6}$. The value of the signal $y(t)$ at $t $ = $0.1\:s$ is_____________ unit.
The Laplace transform of a casual signal $y(t)$ is $Y(s)$ = $\frac{s+2}{s+6}$. The value of the signal $y(t)$ at $t $ = $0.1\:s$ is_____________ unit.
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Differential equations
gate2017-in
numerical-answers
differential-equations
laplace-transform
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6
GATE2017: 36
The block diagram of a closed-loop control system is shown in the figure. The values of $K$ and $K_p$ are such that the system has a damping ratio of $0.8$ and an undamped natural frequency $\omega_n$ of $\text{4 rad/s}$ respectively. The value of $K_p$ will be__________________.
The block diagram of a closed-loop control system is shown in the figure. The values of $K$ and $K_p$ are such that the system has a damping ratio of $0.8$ and an undampe...
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gate2017-in
numerical-answers
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7
GATE2017: 37
The loop transfer function of a closed-loop system is given by $G(s)H(s)=\frac{K(s+6)}{s(s+2)}$. The breakaway point of the root-loci will be ___________.
The loop transfer function of a closed-loop system is given by $G(s)H(s)=\frac{K(s+6)}{s(s+2)}$. The breakaway point of the root-loci will be ___________.
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8
GATE2017: 38
A closed-loop system is shown in the figure. The system parameter $\alpha$ is not known. The condition for asymptotic stability of the closed loop system is $\alpha<-0.5$ $-0.5<\alpha<0.5$ $0<\alpha<0.5$ $\alpha>0.5$
A closed-loop system is shown in the figure. The system parameter $\alpha$ is not known. The condition for asymptotic stability of the closed loop system is $\alpha<-0.5$...
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GATE2017: 39
The overall closed loop transfer function $\frac{C(s)}{R(s)}$ ,represented in the figure, will be $\frac{(G_1(S)+G_2(S))G_3(S)}{1+(G_1(S)+G_2(S))(H_1(S)+G_3(S))}$ $\frac{(G_1(S)+G3(S))}{1+G_1(S)H_1(S)+G_2(s)G_3(S)}$ $\frac{(G_1(S)-G_2(S))H_1(S)}{1+(G_1(S)+G_3(S))(H_1(S)+G_1(S))}$ $\frac{G_1(S)G_2(S)H_1(S)}{1+G_1(S)H_1(S)+G_1(S)G_3(S)}$
The overall closed loop transfer function $\frac{C(s)}{R(s)}$ ,represented in the figure, will be $\frac{(G_1(S)+G_2(S))G_3(S)}{1+(G_1(S)+G_2(S))(H_1(S)+G_3(S))}$$\frac{(...
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10
GATE2017: 40
Assuming the opamp shown in the figure to be ideal, the frequency at which the magnitude of $V_\circ$ will be $95\%$ of the magnitude of $V_{in}$ is ______________$kHz$.
Assuming the opamp shown in the figure to be ideal, the frequency at which the magnitude of $V_\circ$ will be $95\%$ of the magnitude of $V_{in}$ is ______________$kHz$.
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gate2017-in
numerical-answers
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11
GATE2017: 41
In the circuit, shown in the figure, the MOSFET is operating in the saturation zone. The characteristics of the MOSFET is given by $I_D=\frac{1}{2}(V_{GS}-1)^2$ $mA$, where $V_{GS}$ is in $V$. If $V_s=+5V$, then the value of $R_s$ in $K\Omega$ is _______________.
In the circuit, shown in the figure, the MOSFET is operating in the saturation zone. The characteristics of the MOSFET is given by $I_D=\frac{1}{2}(V_{GS}-1)^2$ $mA$, whe...
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gate2017-in
numerical-answers
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12
GATE2017: 42
The two-input voltage multiplier, shown in the figure, has a scaling factor of $1$ and produces voltage output. If $V_1=+15\;V$ and $V_2=+3\;V$, the value of $V_\circ$ in $\text{volt}$ is _______________.
The two-input voltage multiplier, shown in the figure, has a scaling factor of $1$ and produces voltage output. If $V_1=+15\;V$ and $V_2=+3\;V$, the value of $V_\circ$ in...
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gate2017-in
numerical-answers
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GATE2017: 43
The two inputs $A$ and $B$ are connected to an $R-S$ latch via two $AND$ gates as shown in the figure. If $A=1$ and $B=0$, the output $Q\overline{Q}$ is $00$ $10$ $01$ $11$
The two inputs $A$ and $B$ are connected to an $R-S$ latch via two $AND$ gates as shown in the figure. If $A=1$ and $B=0$, the output $Q\overline{Q}$ is$00$$10$$01$$11$
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Digital Electronics
gate2017-in
digital-electronics
sequential-circuit
latch
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14
GATE2017: 44
The circuit of a Schmitt trigger is shown in the figure. The zener-diode combination maintains the output between $\pm7\;V$. The width of the hysteresis band is ______________$V$.
The circuit of a Schmitt trigger is shown in the figure. The zener-diode combination maintains the output between $\pm7\;V$. The width of the hysteresis band is _________...
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gate2017-in
numerical-answers
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15
GATE2017: 45
When the voltage across a battery is measured using a $d.c$. potentiometer, the reading shows $1.08\;V$. But when the same voltage is measured using a Permanent Magnet Moving Coil $(PMMC)$ voltmeter, the voltmeter reading shows $0.99\;V$. If the resistance of the voltmeter is $1100\;\Omega$, the internal resistance of the battery, in $\Omega$, is _________________.
When the voltage across a battery is measured using a $d.c$. potentiometer, the reading shows $1.08\;V$. But when the same voltage is measured using a Permanent Magnet Mo...
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gate2017-in
numerical-answers
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16
GATE2017: 46
The power delivered to a single phase inductive load is measured with a dynamometer type wattmeter using a potential transformer $(PT)$ of turns ratio $200:1$ and the current transformer $(CT)$ of turns ratio $1:5$. Assume both the transformers to be ideal. The power factor of the load is $0.8$. If the wattmeter reading is $200\;W$, then the apparent power of the load in $\text{kVA}$ is ______________.
The power delivered to a single phase inductive load is measured with a dynamometer type wattmeter using a potential transformer $(PT)$ of turns ratio $200:1$ and the cur...
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gate2017-in
numerical-answers
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17
GATE2017: 47
The unbalanced voltage of the Wheatstone bridge, shown in the figure, is measured using a digital voltmeter having infinite input impedance and a resolution of $0.1$ $mV$. If $R=1000\;\Omega$, then the minimum value of $\Delta R$ in $\Omega$ to create a detectable unbalanced voltage is _____________.
The unbalanced voltage of the Wheatstone bridge, shown in the figure, is measured using a digital voltmeter having infinite input impedance and a resolution of $0.1$ $mV...
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gate2017-in
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18
GATE2017: 48
In the a.c. bridge, shown in the figure, $R=10^3$ $\Omega$ and $C=10^{-7}$ $F$. If the bridge is balanced at a frequency $\omega_\circ$, the value of $\omega_\circ$ in $\text{rad/s}$ is ____________.
In the a.c. bridge, shown in the figure, $R=10^3$ $\Omega$ and $C=10^{-7}$ $F$. If the bridge is balanced at a frequency $\omega_\circ$, the value of $\omega_\circ$ in ...
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gate2017-in
numerical-answers
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19
GATE2017: 49
The hot junction of a bare thermocouple, initially at room temperature $(30^\circ{C})$, is suddenly dipped in molten metal at $t=0$ $s$. The cold junction is kept at room temperature. The thermocouple can be modeled as a first-order instrument with a time constant of $1.0$ $s$ and a static sensitivity of $10$ ... If the voltage, measured across the thermocouple indicates $10.0$ $mV$ at $t=1.0$ $s$, then the temperature of the molten metal in $^\circ{C}$ is _____________.
The hot junction of a bare thermocouple, initially at room temperature $(30^\circ{C})$, is suddenly dipped in molten metal at $t=0$ $s$. The cold junction is kept at room...
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gate2017-in
numerical-answers
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0
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20
GATE2017: 50
A resistance temperature detector $(RTD)$ is connected to a circuit, as shown in the figure. Assume the opamp to be ideal. If $V_\circ=+2.0$ $V$, then the value of $x$ is _______________.
A resistance temperature detector $(RTD)$ is connected to a circuit, as shown in the figure. Assume the opamp to be ideal. If $V_\circ=+2.0$ $V$, then the value of $x$ is...
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gate2017-in
numerical-answers
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21
GATE2017: 51
The magnetic flux density of an electromagnetic flowmeter is $100\;mWb/m^2$. The electrodes are wall-mounted inside the pipe having a diameter of $0.25\;m$. A voltage of $1\;V$ is generated when a conducting fluid is passed through the flowmeter. The volumetric flowrate of the fluid in $m^3/s$ is _________________.
The magnetic flux density of an electromagnetic flowmeter is $100\;mWb/m^2$. The electrodes are wall-mounted inside the pipe having a diameter of $0.25\;m$. A voltage of ...
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gate2017-in
numerical-answers
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22
GATE2017: 52
The junction semiconductor temperature sensor shown in the figure is used to measure the temperature of hot air. The output voltage $V_\circ$ is $2.1\;V$. The current output of the sensor is given by $I=T\;\mu{A}$ where $T$ is the temperature in $K$. Assuming the opamp to be ideal, the temperature of the hot air in $^\circ{C}$ is approximately _____________.
The junction semiconductor temperature sensor shown in the figure is used to measure the temperature of hot air. The output voltage $V_\circ$ is $2.1\;V$. The current out...
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gate2017-in
numerical-answers
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0
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0
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23
GATE2017: 53
Quantum efficiency of a photodiode (ratio between the number of liberated electrons and the number of incident photons) is $0.75$ at $830\;nm$. Given Planck’s constant $h=6.624\times10^{-34}J$, the charge of an electron $e=1.6\times10^{-19}C$ and the velocity of light in the photodiode $C_m=2\times10^8\;m/s$. For an incident optical power of $100 \;\mu W$ at $\text{830 nm}$, the photocurrent in $\mu A$ is ________________ .
Quantum efficiency of a photodiode (ratio between the number of liberated electrons and the number of incident photons) is $0.75$ at $830\;nm$. Given Planck’s constant ...
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gate2017-in
numerical-answers
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0
votes
0
answers
24
GATE2017: 54
In a sinusoidal amplitude modulation scheme (with carrier) the modulated signal is given by $A_m(t)=100\cos(\omega_ct) +50\cos(\omega_mt)\cos(\omega_ct)$, where $\omega_c$ is the carrier frequency and $\omega_m$ is the modulation frequency. The power carried by the sidebands in $\%$ of total power is _______________$\%$.
In a sinusoidal amplitude modulation scheme (with carrier) the modulated signal is given by $A_m(t)=100\cos(\omega_ct) +50\cos(\omega_mt)\cos(\omega_ct)$, where $\omega_c...
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gate2017-in
numerical-answers
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–
0
votes
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answers
25
GATE2017: 55
An angle modulated signal with carrier frequency $\omega_c=2\pi\times10^6\;rad/s$ is given by $\varphi_m(t)=\cos(\omega_ct+5\sin(1000\pi t)+10\sin(2000\pi t))$. The maximum deviation of the frequency in the angle modulated signal from that of the carrier is _______________$kHz$.
An angle modulated signal with carrier frequency $\omega_c=2\pi\times10^6\;rad/s$ is given by $\varphi_m(t)=\cos(\omega_ct+5\sin(1000\pi t)+10\sin(2000\pi t))$. The maxim...
soujanyareddy13
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gate2017-in
numerical-answers
+
–
0
votes
0
answers
26
GATE2017: 56
The event would have been successful if you____________able to come. $are$ $had\;been$ $have\;been$ $would\;have\;been$
The event would have been successful if you____________able to come.$are$$had\;been$$have\;been$$would\;have\;been$
soujanyareddy13
2.7k
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soujanyareddy13
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Verbal Aptitude
gate2017-in
verbal-ability
english-grammar
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0
votes
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answers
27
GATE2017: 57
There was no doubt that their work was $\underline{thorough}$. Which of the words below is closest in meaning to the underlined word above? pretty complete sloppy haphazard
There was no doubt that their work was $\underline{thorough}$.Which of the words below is closest in meaning to the underlined word above?prettycompletesloppyhaphazard
soujanyareddy13
2.7k
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soujanyareddy13
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Verbal Aptitude
gate2017-in
verbal-ability
word-meaning
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0
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answers
28
GATE2017: 58
Four cards lie on a table. Each card has a number printed on one side and a colour on the other. The faces visible on the cards are $2,\;3,\;red,\;and\;blue$. Proposition: If a card has an even value on one side. then its opposite face is red. The cards which MUST be turned over to verify the above proposition are $\text{2, red}$ $\text{2, 3, red}$ $\text{2, blue}$ $\text{2, red, blue}$
Four cards lie on a table. Each card has a number printed on one side and a colour on the other. The faces visible on the cards are $2,\;3,\;red,\;and\;blue$.Proposition:...
soujanyareddy13
2.7k
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soujanyareddy13
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Analytical Aptitude
gate2017-in
analytical-aptitude
logical-reasoning
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0
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answers
29
GATE2017: 59
What is the value of $x$ when $81\times\left(\frac{16}{25}\right)^{x+2}\div\left(\frac{3}{5}\right)^{2x+4}=144$ ? $1$ $-1$ $-2$ Cannot be determined
What is the value of $x$ when $81\times\left(\frac{16}{25}\right)^{x+2}\div\left(\frac{3}{5}\right)^{2x+4}=144$ ?$1$$-1$$-2$Cannot be determined
soujanyareddy13
2.7k
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soujanyareddy13
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Quantitative Aptitude
gate2017-in
numerical-ability
ratio-proportion
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0
votes
0
answers
30
GATE2017: 60
Two dice are thrown simultaneously. The probability that the product of the numbers appearing on the top faces of the dice is a perfect square is $\frac{1}{9}$ $\frac{2}{9}$ $\frac{1}{3}$ $\frac{4}{9}$
Two dice are thrown simultaneously. The probability that the product of the numbers appearing on the top faces of the dice is a perfect square is$\frac{1}{9}$$\frac{2}{9}...
soujanyareddy13
2.7k
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soujanyareddy13
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Quantitative Aptitude
gate2017-in
numerical-ability
probability
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0
votes
0
answers
31
GATE2017: 61
Bhaichung was observing the pattern of people entering and leaving a car service centre. There was a single window where customers were being served. He saw that people inevitably came out of the centre in the order that they went in. However, the time they spent inside seemed to vary a lot: some people came out in ... likely to operate on a last-come-first-served basis. Entering the centre early ensured that one would have shorter service times and most people attempted to do this.
Bhaichung was observing the pattern of people entering and leaving a car service centre. There was a single window where customers were being served. He saw that people i...
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soujanyareddy13
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Verbal Aptitude
gate2017-in
verbal-ability
verbal-reasoning
passage-reading
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0
votes
0
answers
32
GATE2017: 62
A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri. Kalimpong is at a lower elevation than Gangtok, Pelling is at a lower elevation than Gangtok. Pelling is at a higher elevation than Siliguri. Darjeeling is at a higher elevation than Gangtok. Which of the following statements can be inferred from the ... is at a higher elevation than Siliguri Siliguri is at a lower elevation than Gangtok Only ii Only ii and iii Only ii and iv Only iii and iv
A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri. Kalimpong is at a lower elevation than Gangtok, Pelling is at a lower elevation than ...
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Verbal Aptitude
gate2017-in
verbal-ability
verbal-reasoning
passage-reading
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–
0
votes
0
answers
33
GATE2017: 63
$P,\;Q,\;R,\;S,\;T\;and\;U$ are seated around a circular table, $R$ is seated two places to the right of $Q,P$ is seated three places to the left of $R,S$ is seated opposite $U$. If $P$ and $U$ now switch seats, which of the following must necessarily be true? $P$ is immediately to the right of $R$ $T$ is immediately to the ... $P$ or $P$ is immediately to the right of $Q$ $U$ is immediately to the right of $R$ or $P$ is immediately to the left of $T$
$P,\;Q,\;R,\;S,\;T\;and\;U$ are seated around a circular table, $R$ is seated two places to the right of $Q,P$ is seated three places to the left of $R,S$ is seated oppos...
soujanyareddy13
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Analytical Aptitude
gate2017-in
analytical-aptitude
logical-reasoning
round-table-arrangement
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0
votes
0
answers
34
GATE2017: 64
Budhan covers a distance of $\text{19 km}$ in $2$ hours by cycling one fourth of the time and walking the rest. The next day he cycles (at the same speed as before) for half the time and walks the rest (at the same speed as before) and covers $\text{26 km}$ in $2$ hours. The speed in $\text{km/h}$ at which Budhan walks is $1$ $4$ $5$ $6$
Budhan covers a distance of $\text{19 km}$ in $2$ hours by cycling one fourth of the time and walking the rest. The next day he cycles (at the same speed as before) for h...
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2.7k
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Quantitative Aptitude
gate2017-in
numerical-ability
speed-time-distance
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–
0
votes
0
answers
35
GATE2017: 65
The points in the graph below represent the halts of a lift for durations of $1$ minute, over a period of $1$ hour. Which of the following statements are correct? The elevator never moves directly from any non-ground floor to another non-ground floor over the one hour period The elevator stays on the fourth floor for the longest duration over the one hour period Only i Only ii Both i and ii Neither i nor ii
The points in the graph below represent the halts of a lift for durations of $1$ minute, over a period of $1$ hour.Which of the following statements are correct?The eleva...
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Quantitative Aptitude
gate2017-in
numerical-ability
data-interpretation
graphical-data
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0
votes
0
answers
36
GATE2017: 21
A current waveform, $i(t)$, shown in the figure, is passed through a Permanent Magnet Moving Coil $(PMMC)$ type ammeter. The reading of the ammeter up to two decimal places is $-0.25\;A$ $-0.12\;A$ $0.37\;A$ $0.5\;A$
A current waveform, $i(t)$, shown in the figure, is passed through a Permanent Magnet Moving Coil $(PMMC)$ type ammeter. The reading of the ammeter up to two decimal plac...
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gate2017-in
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37
GATE2017: 22
Identify the instrument that does not exist: Dynamometer-type ammeter Dynamometer-type wattmeter Moving-iron voltmeter Moving-iron wattmeter
Identify the instrument that does not exist:Dynamometer-type ammeter Dynamometer-type wattmeterMoving-iron voltmeterMoving-iron wattmeter
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38
GATE2017: 23
The most suitable pressure gauge to measure pressure in the range of $10^{-4}$ to $10^{-3}$ $\text{torr}$ is Bellows Barometer Strain gauge Pirani gauge
The most suitable pressure gauge to measure pressure in the range of $10^{-4}$ to $10^{-3}$ $\text{torr}$ is BellowsBarometerStrain gaugePirani gauge
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39
GATE2017: 25
The pressure drop across an orifice plate for a particular flow rate is $5\;Kg/m^2$. If the flow rate is doubled (within the operating range of the orifice), the corresponding pressure drop in $Kg/m^2$ is $2.5$ $5.0$ $20.0$ $25.0$
The pressure drop across an orifice plate for a particular flow rate is $5\;Kg/m^2$. If the flow rate is doubled (within the operating range of the orifice), the correspo...
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40
GATE2017: 26
The probability that a communication system will have high fidelity is $0.81$. The probability that the system will have both high fidelity and high selectivity is $0.18$. The probability that a given system with high fidelity will have high selectivity is $0.181$ $0.191$ $0.222$ $0.826$
The probability that a communication system will have high fidelity is $0.81$. The probability that the system will have both high fidelity and high selectivity is $0.18$...
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