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Q1. | His rather casual remarks on politics __________ his lack of seriousness about the subject. |

A. | masked [Wrong Answer] |

B. | belied [Wrong Answer] |

C. | cherish [Correct Answer] |

D. | conserve [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?

- Total charge on each conductor
- Potential at each conductor surface
- Potential at same of conductor and total charge on the remainder
- Total charge as well as potential gradient on each conductor surface

1 and 3

2 and 4

1, 2, and 3

1, 2, 3, 4

⇒ In a network with twelve circuit elements and five nodes, what is the minimum number of mesh equations?

24

12

10

8

⇒ For a single phase half wave converter feeding a resistive load, the firing angle a. The waveshape in below figure is

output voltage

input voltage

voltage drop across thyristor

none of the above

⇒ In a system an input resistance of 20 kΩ causes a noise voltage of 15μV. If two such input resistances each of 20 kΩ are used in parallel, the total noise voltage will be about

15 μV

30 μV

7.5 μV

10.6 μV

⇒ Photo electric emission can occur only if

wave length of incident radiation is equal to threshold value

wave length of incident radiation is less than threshold value

frequency of incident radiation is less than threshold frequency

none of the above

⇒ Temporary register in 8085 is a 16 bit register.

TRUE

FALSE

⇒ The sinusoidally time varying vector fi

elliptically polarized

circularly polarized

linearly polarized

unpolarized

⇒ The gate current required to turn on an SCR is

few amperes

a few mA

almost equal to anode current

about 50% of anode current

⇒ Consider the following statements, SWR of a transmission line is infinite when the load is

- a short circuit
- a complex impedance
- an open circuit
- a pure reactance

1 and 3 only

1, 2, 3

2, 3, 4

1, 2, 4

⇒ For a npn BJT transistor

*f*is 1.64 x 10

_{β}^{8}H

*z*. C

_{μ}= 10

^{-14}F; C

_{p}= 4 x 10

^{-13}F and DC current gain is 90. Find

*f*and

_{T}*g*(

_{m}*f*= cut off frequency, C

_{β}_{μ}= capacitance, C

_{p}= parasitic capacitance,

*g*= transconductance,

_{m}*f*= gain BW product)

_{T}*f*= 1.47 x 10

_{T}^{10}H

*z*;

*g*= 38 milli mho

_{m}*f*= 1.64 x 10

_{T}^{8}H

*z*;

*g*= 30 milli mho

_{m}*f*= 1.47 x 10

_{T}^{9}H

*z*;

*g*= 38 mho

_{m}*f*= 1.33 x 10

_{T}^{12}H

*z*;

*g*= 0.37 m-mho

_{m}⇒ In the context of error detection in satellite transmission, ARQ stands for

Automatic Repeat Request

Automatic Relay Request

Accelerated Recovery Request

Automatic Radiation Quenching

⇒ Antenna used for T.V. broadcasting is

long dipole

metal horn

crossed dipole

log periodic

⇒ The equivalent of the block diagram in figure is give

Figure (a)

Figure (b)

Figure (c)

Figure (d)

⇒ ARQ stands for

Automatic Repeat Quest

Analog Repeat Request

Automatic Repeat Request

None Of the above

⇒ Maxwell's curl equation for the static electric field E can be expressed as

Δ x E = 0

Δ x E = constant

Δ - E = constant

Δ . E = 0

⇒ Which of the following sampling frequencies is considered adequate in voice telephony?

4 kHz

8 kHz

16 kHz

32 kHz

⇒ The equivalent form of the logical expression (ABC + ABC + ABC + ABC + ABC) is:

C + (A ⊕ B)

(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

⇒ The function shown in figure, can represent a probability density function for A ________

*A*= 1/4

*A*= 1/6

*A*= 1/8

*A*= 1/2

⇒ High speed counter

ring counter

ripple counter

synchronous counter

asynchronous counter

⇒ In satellite communication, frequency modulation is used because satellite channel has

small bandwidth and negligible noise

large bandwidth and severe noise

maximum bandwidth and minimum noise

high modulation index

⇒ In a series resonant circuit, the resonant frequency is

geometric mean of half power frequencies

arithmetic mean of half power frequencies

difference of half power frequencies

none of the above

⇒ Each cell of static RAM contains

4 MOS transistors

4 MOS transistors and 1 capacitor

2 MOS transistors

4 MOS transistors and 2 capacitors

⇒ A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is

20 mH

about 31 mH

about 51 mH

about 92 mH

⇒ The clear data and present input of the JK flip-flop are known as

direct inputs

synchronous inputs

indirect inputs

either direct inputs or synchronous inputs

⇒ If reference sound pressure P

_{0}is 2 x 10

^{-5}N/m

^{2}, a sound pressure of 90 dB is equal to

0.632 N/m

^{2}

0.707 N/m

^{2}

0.835 N/m

^{2}

0.925 N/m

^{2}

⇒ If B, H and M denote flux density, field intensity and magnetisation, B = μ

_{0}(H + M).

TRUE

FALSE

⇒ The intrinsic carrier concentration of silicon sample at 300 K is 1.5 x 10

^{16}/m

^{3}. If after doping, the number of majority carriers is 5 x 10

^{20}/m

^{3}. The minority carrier density is

4.5 x 10

^{11}/m

^{3}

3.33 x 10

^{4}/m

^{3}

5 x 10

^{20}/m

^{3}

3 x 10

^{-5}/m

^{3}

⇒ For matching over a range of frequencies in a transmission line it is best to use

a balun

a broad band directional coupler

double stub

a single stub of adjustable position

⇒ Polar plot of a lag-lead compensator is a circle.

TRUE

FALSE

⇒ An RL series circuit has an impedance of 20 Ω when frequency is 25 Hz. At

*f*= 50 Hz, the impedance will be

40 Ω

20 Ω

less than 40 W but more than 20 Ω

less than 20 W but more than 10 Ω