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Q1. | Acoustic strain gauges |

A. | have good linearity of measurement [Wrong Answer] |

B. | do not have long term stability [Wrong Answer] |

C. | have a large range of measurement [Wrong Answer] |

D. | have an accuracy range of 0.1-1% depending on environment [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ A thyristor has internal power dissipation of 40W and is operated at an ambient temperature of 20°C. If thermal resistance is 1.6° C/W, the junction temperature is

114°C

164°C

94° C

84° C

⇒ A single phase full converter can operate in

4 quadrants

3 quadrants

2 quadrants

1 quadrant

⇒ In drawing phasor diagram

rms values are used

peak values are used

either rms or peak values are used

either rms or peak or averages values are used

⇒ Binary number 11001 is equivalent to decimal number

35

15

105

25

⇒ The characteristic equation of an SR flip-flop in given by

Q

_{n+1}= S + RQ

_{n}Q

_{n+1}= RQ

_{n}+ SQ

_{n}Q

_{n+1}= S + RQ

_{n}

Q

_{n+1}= S + RQ

_{n}⇒ A binary adder has

one half adder

one half adder and 2 full adders

two half adders

one half adder and many full adders

⇒ Space communication links are being increasingly moved into Ka-band (200-30 GHz) because it

offers a much wider available bandwidth

does not suffer from atmospheric at tenuation

permits the use of smaller antenna

does not suffer from rain attenuation

⇒ In a transistor amplifier, the reverse saturation current I

_{CO}

Doubles for every 10°C rise in temperature

Doubles for every 20°C rise in temperature

Increase 100°C with temperature

Doubles for every 5°C rise in temperature

⇒ The use of coaxial microwave line should be restricted to frequencies

below cut off frequency of TE

_{11}mode

above cut off frequency of TE

_{11}mode

at frequencies much lower than cut off frequency of TE

_{11}mode

at frequencies much higher than cut off frequency of TE

_{11}mode

⇒ The induced magnetic dipole moment is independent of the permanent magnetic dipole moment.

TRUE

FALSE

⇒ Which of the following is not an interrupt line in 8085?

TRAP

RST 5.5

RST 7.5

RST 9.5

⇒ The impulse response of discrete time system is

*x*[

*n*] = (4)

^{n}∪[3 -

*n*], the system is

casual

stable

stable and casual

stable and non-casual

⇒ The method of frequency compensation in moving iron voltmeter is

to use a capacitor in series with coil

to connect a capacitor in parallel with coil

to connect a capacitor in parallel with series resistance

none of the above

⇒ The point P in the following figure is stock at 1. The output

*f*wil

ABC

A

AB C

A

⇒

**Assertion (A):** TTL is a very popular logic in SSI and MSI category.

**Reason (R):** In Schottky TTL the power dissipation is less than in ordinary TTL.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒ The usable bandwidth of ridge wave guide

is lower than that of rectangular waveguide

is higher than that of rectangular waveguide

is almost same as that of rectangular waveguide

is very small as compared to that of rectangular waveguide

⇒ In 2's complement form, - 2 is

1011

1110

1100

1010

⇒ In a RS flip-flop no change occurs during

prohibited mode

set mode

reset mode

disable mode

⇒ At t = 0

^{+}, the current

*i*

_{1- V/2R- V/4R- V/Rzero}

⇒ Which of the following is correct for a driving point functions?

The real parts of all poles must be negative

The real parts of all poles and zeros must be negative

The real parts of all poles and zeros must be negative or zero

The real parts of all zeros must be negative

⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of

8 gates

6 gates

10 gates

5 gates

⇒ With a variable reluctance tachometer having 60 rotor teeth the count reads 3600 counts per minute. The speed in RPM is

36

60

360

3600

⇒ A bipolar differential amplifier uses a transistor having β

_{0}= 200, I

_{CQ}= 100

*m*A, |A

_{dm}| = 500 and CMRR = 80 dB. The value of R

_{c}and R

_{E}will be respectively __________ .

1.25

*k*Ω, 1.25 MΩ

125

*k*Ω, 1.25 MΩ

1.25 MΩ, 1.25

*k*Ω

3.25

*k*Ω, 3.25 MΩ

⇒

Match the following:

List I (Diode Rectifier) | List II (Efficiency is R_{f}/R_{L} = 0.25) | ||
---|---|---|---|

A. | Half wave | 1. | 0.54 |

B. | Bridge Rectifier | 2. | 0.65 |

C. | Full wave using tapped centre transformer | 3. | 0.325 |

A-1, B-2, C-3

A-2, B-1, C-3

A-3, B-2, C-1

A-3, B-1, C-2

⇒ When an electron breaks a covalent bond and moves away,

a hole is created

a proton is also lost

atom becomes an ion

rest of the electron move at a faster rate

⇒ The dimension of flux density is

MT

^{-1}Q

^{-1}

MT

^{-2}

MT

^{1}Q

^{1}

MT

^{-1}Q

^{-2}

⇒ The depletion layer consists of immobile ions.

TRUE

FALSE

⇒ In figure, the reading of wattmeter will be proportio

V I cos θ

3 VI cos θ

3 VI sin θ

V I sin θ

⇒ A series circuit has R = 5 Ω and C = 10 μF. It is switched on to a 12 V dc battery at

*t*= 0. The current in the circuit will be maximum

at

*t*= RC

at

*t*= ∞

at

*t*= 0

^{+}

none of the above

⇒ Choose the function

*f*(

*t*), - ∞ <

*t*< + ∞, for which a Fourier series cannot be defined

3 sin (25

*t*)

4 cos (20

*t*+ 3) + 2 sin (10

*t*)

exp - | t | sin 25

*t*

1