Question is ⇒ Which of the following is open loop system?, Options are ⇒ (A) Wind screen wiper, (B) Aqualing, (C) Respiratory system of animal, (D) System for controlling antirocket missiles, (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following is open loop system?, Options are ⇒ (A) Wind screen wiper, (B) Aqualing, (C) Respiratory system of animal, (D) System for controlling antirocket missiles, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following is open loop system?
A.	Wind screen wiper [Correct Answer]
B.	Aqualing [Wrong Answer]
C.	Respiratory system of animal [Wrong Answer]
D.	System for controlling antirocket missiles [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Saturation region of a JFET is also known as
source region
analog region
pinch off region
ohmic region

⇒ The real part of complex dielectric constant and tanδ for a dielectric are 2.1 and 5 x 10^-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is
1.05 x 10^-3
2.1 x 10^-3
5 x 10^-3
1.05 x 10^-2

⇒ In a klystron amplifier dc electron velocity is v₀ and dc electron charge density is r₀ the dc beam current is
r₀v₀
r₀^/v₀
v₀^/r₀
(v₀^/r₀)²

⇒ In a minimum phase system
all poles lie in the left half plane
all zeros lie in the left half plane
all poles lie in the right half plane
all except one pole or zero lie in the left half plane

⇒ When the gate terminal of MOSFET is positive, it is said to operate in
depletion mode
conduction mode
enhancement mode
none of the above

⇒ It is found that in a telephone system 60 subscribers initiate calls during a 30 minute interval and the total duration of all the calls is 100 minutes. The load is
2
3 erlang
3.333 erlang
0.333 erlang

⇒ As per BIS, solid insulators are classified into 6 categories.
TRUE
FALSE

⇒ Transition capacitance is associated with __________ and depletion capacitance is associated with __________ diodes.
reverse bias and forward bias
forward bias and reverse bias
reverse bias and reverse bias
forward bias and forward bias

⇒ A circular polarizer converts a linearly polarized wave into a circularly polarised wave.
TRUE
FALSE

⇒ In a cable with ∈_r = 4, the wave velocity is
3 x 10⁸ m/s
0.75 x 10⁸ m/s
1.5 x 10⁸ m/s
10⁸ m/s

⇒ Binary 1000 will be the result of which of the following?
Binary 1000 - 100
Binary 1011 - 1111
Binary 1111 - 111
Binary 11111 - 1111

⇒ The seven segment display used in watches and clocks generally uses
LED
LCD
Photodiode
FET

⇒ In PCM, the biggest disadvantage as compared to AM is
larger bandwidth
larger noise
inability to handle analog signals
incompatibility with time division multiplex systems

⇒ Standard AM radio broadcasts are confined to
MF
HF
VHF
UHF

⇒ Which of these has semi-conductor metal junction?
PIN diode
Photo diode
Tunnel diode
Schottky diode

⇒ Figure represen
JFET shunt switching circuit
JFET series switching circuit
JFET analog switch
multiplexing

⇒ In a tape recorder
the width of air gaps of record and erase heads is almost equal
the air gap of record head is wider than the air gap of erase head
the air gap of erase head is wider than the air gap of record head
any of the two air gaps can be wider than the other

⇒ ROC of sequence x[n] = δ[n] is
Not exist
z = 0
Entire Plane
Entire Plane expect z = 0, z = ∞

⇒ Tuned voltage amplifiers are not used
in public address systems
in radio receivers
in television receivers for sound signals
in television receivers for video signals

⇒ In a satellite system circular polarization is to be obtained. The antenna used is
parabolic
horn
log periodic
helical

⇒ The Fourier series representation of a periodic current (2 + 62 cos ωt +48 sin 2ωt) A. The effective value is
(2 + 6 + 24) A
0.333333333333333
0.25
0.0833333333333333

⇒ The dielectric losses do not depend on frequency.
TRUE
FALSE

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out
5.12 W
21.78 W
2.56 W
16.81 W

⇒ In following figure find V_DSQ by assuming gate current is negligible for the p-channel JFET. (if I_DQ = - 6 mA, R_S = 0, V_DD = -18 V, R_D = 2 kΩ, I_DSS = - 10 mA, I_PO = - 3 V)
4 V
- 6 V
- 10 V
6 V

⇒ If the plate supply voltage for a plate modulated class C amplifier is E, the maximum plate cathode voltage could be almost as high as
E
2 E
3 E
4 E

⇒ Multiple member of antennas are arranged in arrays in order to enhance what property?
Both directivity and bandwidth
Only directivity
Only bandwidth
Neither directivity nor bandwidth

⇒ Pirani gauge is used to measure
very low pressure
high pressure
pressure in the range of 1 atmosphere
fluid flow

⇒

P(s) = s⁴ + s³ + 2s² + 4s + 3
Q(s) = s⁴ + 2s³ + s

Which one of the following statements in correct for above P(s) and Q(s) polynomials?
Both P(s) and Q(s) are Hurwitz
Both P(s) and Q(s) are non-Hurwitz
P(s) is Hurwitz but Q(s) is non-Hurwitz
P(s) is non-Hurwitz but Q(s) is Hurwitz

⇒ A function table is required in very large numbers the memory most switched for this purpose would be
ROM
PROM
EPROM
EAROM

⇒ A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is
1.2 MHz
2.4 MHz
0.6 MHz
1.386 MHz