The inductive interference between power and communication line can be minimized by

The interaction between a transmission line and communication line is minimized by

A

transposing transmission as well as communication lines

B

increasing the height of the trans-mission line tower

C

increasing the distance between the two lines

D

all of the above

If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be

A

2 cm

B

10 cm

C

50 cm

D

400 cm

Pure inductive circuit takes power from the A.C. line when

A

Applied voltage decreases but current increases

B

Applied voltage increases but current decreases

C

Both applied voltage and current increase

D

Both applied voltage and current decrease

Risk of Rh incompatibility can be minimized by

A

Associated ABO incompatibility

B

Fetomatemal blood volume 0.01 ml

C

Blunted maternal immune response

D

Caesarean delivery

E

Advanced maternal age

(i) What is global warming? How global warming affects the rapid change of climate? (ii) What are the bad impacts of climate change? (iii) How climate change affects the environment of Bangladesh (iv) How global warming can be minimized (v) What should be the role of students to protect the environment.

A

(i) Global warming is the main natural reason and using harmful chemicals in everyday life the main reason created by men. The climate is changing rapidly that result in the rise of the earth's average temperature

B

(ii) Climate change impacts include floods, cyclones, storm surges and drought, ice sheets melting which will seriously affect the agriculture and livelihood especially at the poor.

C

(iii) Bangladesh is one of the largest deltas in the world which is highly vulnerable to Natural Disasters because of its Geographical location, Fiat and low-lying landscape, Population density, Poverty, Illiteracy, Lack of Institutional setup, etc.

D

(iv) To reduce the bad impact of climate change people should be aware of. Tree plantation can reduce global warming which is the main natural reason for climate change. Stop using harmful chemicals can reduce environmental pollution which is the main man

E

(v) Students should be careful to protect the environment and raise awareness. Thus the students can play a vital role to reduce bad impact of climate changes.

In the communication process, a receiver is the person who encodes an idea. message interference. a message pathway. the person who decodes a message.

A

the person who encodes an idea

B

message interference

C

a message pathway

D

the person who decodes a message

Heat loss of patients during surgery be minimized by

A

Using heat reflecting blanket

B

Administration of IV fluid

C

Humidification of inspired gas

D

Maintaining environment temperature at 200 C

E

Small dose of phenothiazine

A ______ is a market situation where economies of scale are so significant that cost are only minimized when the entire output of an industry is supplied by a single producer so that the supply costs are lower under monopoly that under perfect competition.

A

Perfect monopoly

B

Bilateral monopoly

C

Natural monopoly

D

Ordinary monopoly

Power factor of an inductive circuit is usually improved by connecting capacitor to it in

A

Parallel

B

Series

C

Either A or B

D

None of the above

If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

A

Park

B

Bridge

C

Interface

D

Link

E

None of the above

The inductive interference between power and communication line can be minimized by

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