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Q1. | Shift left and shift right operations occur in a calculator. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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**Also Read Similar Questions Below :**

⇒ A + 1.9 lens has a focal length of 25 mm. The diameter of lens is about

13 mm

1.3 mm

130 mm

none of the above

⇒ The Ni-Zn ferrites are used for audio and TV transformers is that

they have large saturation magnetisation

they are easy to fabricate by rolling

they are free from pores and voids

they have high electro-resistivity

⇒ A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is

2

4

8

18

⇒ The time required for horizontal blanking is 16% of that for each horizontal line. If horizontal time is 63.5 μs, the horizontal blanking time for each line is about

1 μs

10 μs

100 μs

none of the above

⇒ Which element exhibits the property of inertia?

Resistance

Capacitance

Inductance

Both resistance and inductance

⇒ Which of the following is not a data base function?

DAVERAGE

MAX

DCOUNT

DSTDEV

⇒ If two mutually exclusive events A and B can happen in

*m*and

*n*ways, then either

*A*or

*B*can happen in (

*m*+

*n*) ways.

TRUE

FALSE

⇒

Match the following:

List I (Transducer) | List II (Operation) | ||
---|---|---|---|

A. | Bourden tube | 1. | Fluid flow to resistance change |

B. | Hot wire ammeter | 2. | Velocity to pressure |

C. | Hydrometer | 3. | Pressure to displacement |

D. | Pitot tube | 4. | Specific gravity to displacement |

A-1, B-3, C-2, D-4

A-3, B-1, C-2, D-4

A-3, B-1, C-4, D-2

A-4, B-2, C-3, D-1

⇒ If PRIN = 200.0 and BINT = 0.0525 the result of expression

`INCOME = PRIN * (1 + BINT)`

will be210

210.5

210.5

210.5

⇒ A resistance strain gauge has a resistance of about

100 Ω

25 Ω

10 Ω

1 Ω

⇒ Read the following statements: Dual slope ADC provides

- higher speed as compared to other ADC
- very good accuracy
- good rejection of power supply
- better resolutions compared to other ADC for the same number of bits

1 and 2

2 and 3

1, 2, 3

1, 2, 3, 4

⇒ If 10 V is the peak voltage across the secondary of the transformer in a half wave rectifier (without any filter circuit), then the maximum voltage on the reverse biased diode will be

20 V

14.14 V

10 V

7.8 V

⇒ Using 2's complement, the largest positive and negative number which can be stored with 8 bits are

+128 and -127

+128 and -128

+127 and -128

+127 and -127

⇒ For a reactance function H(

*s*)

Re [H(

*j*ω)] is positive for ω ≥ 0

Re [H(

*j*ω)] is zero for ω ≥ 0

Re [H(

*j*ω)] is positive or zero for ω ≥ 0

Re [H(

*j*ω)] is zero or negative for ω ≥ 0

⇒ A voltage tripler circuit uses

2 diodes and 2 capacitors

3 diodes and 3 capacitors

2 diodes and 3 capacitors

3 diodes and 2 capacitors

⇒ Current derating may be necessary when thyristors are operating in

series

parallel

series or parallel

none of the above

⇒ In a pulsed RADAR, the transmitter is connected to the antenna

during pulse interval

during interval between pulses

all the time

only during a fraction of pulse interval

⇒ It is known that noise phase modulates the FM wave. As the noise side band frequency approaches the carrier frequency, the noise amplitude

will increase

will decrease

will remain constant

will reduce to negligible value

⇒ Which of the following statements is incorrect regarding Balun transformer?

It changes impedance like current transformer

It changes balanced to unbalanced line

It is used to couple a co-axial line to a parallel line wire

Any of the above

⇒ Shifting digits from left to right and vice versa is needed in

storing numbers

arithmetic operations

counting

storing and counting

⇒ Each of two cascaded stages has a voltage gain of 30. The overall gain is

3

9

30

900

⇒ A minimum function has

poles and zeros on imaginary axis of

*s*plane

no poles or zeros on imaginary axis of

*s*plane

only poles but no zeros on imaginary axis of

*s*plane

only zeros but no poles on imaginary axis of

*s*plane

⇒ A coaxial line has L = 500

*n*H/m and C = 50

*p*F/m. The characteristic impedance is

500 Ω

250 Ω

100 Ω

50 Ω

⇒ In the circuit of figure, the switch is closed at

*t*= 0 with

*i*

_{L}(0) = 0 and V

_{C}(0) = 0. In the steady state n

_{c}equ

100

*v*

0

*v*

∞

- 100

*v*

⇒ A coil is connected across a 200 V, 50 Hz supply and takes a current of 10 A. The loss in the coil is 1000 W. The impedance and resistance of the coil are

10 Ω, 8 Ω

15 Ω, 8 Ω

20 Ω, 10 Ω

30 Ω, 15 Ω

⇒ The advantage of modified series inverter with two inductors and two capacitors is

the intermittent operation of battery is avoided

efficiency of circuit is more

the output frequency is low

all of the above

⇒ The emitter resistor R

_{E}in the emitter of CE amplifier stabilizes the dc operating point against variation in

temperature only

β of transistor

both temperature and β

none of the above

⇒ 268

_{10}= __________ .

10A

_{16}

10B

_{16}

10C

_{16}

10D

_{16}

⇒ In a TWT the phase velocity of the axial component of the field on the slow wave structure is kept

equal to velocity of electron

slightly less than velocity of electron

slightly more than velocity of electron

equal to velocity of light in free space

⇒ Microwaves are used for

telephony

radio broadcast

TV systems

all of the above