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22102 Unit I online test

You got 4 of 15 possible points.
Your score: 27%
Question 1

For which materials as the temperature increanes condutiwity decreases 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Insulator 

Incorrect
0

None of abve 

0

Semi-Conductor

0

Conduetor 

0
Should have chosen
Question 2

In P-Type semiconductor mayorty cariers are _________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Holes 

0
Should have chosen
Selected

Electrons 

Incorrect
0

Both of above 

0

None of above 

0
Question 3

SI Unit of temp is__________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

ºC  [ Celcius ]

0

J [ Joule }

0

F [ Farhenite ]

0
Selected

K [ Kelvin ] 

Correct
1
Should have chosen
Question 4

Which of the following is highest energy band 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Valancy band

Correct
1
Should have chosen

Energy band 

0

Conduction band 

0

None of above 

0
Question 5

Which of the following is NOT an insulator 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Wood 

0

Rubber 

0

Mica

0
Selected

Copper 

Correct
1
Should have chosen
Question 6

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Aluminium 

0
Selected

Glass 

Correct
1
Should have chosen

Steel 

0

Copper 

0
Question 7

The ratio CP/CV is______________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Equal to 1

0
Selected

Greater than 1

Incorrect
0

Less than 1 

0

Equal to 0.5

0
Should have chosen
Question 8

Which mode of heat transfer takes place without actual migration of particiles 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conduction 

0
Should have chosen

Conveection 

0
Selected

Radiatiion 

Incorrect
0

None of above

0
Question 9

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Half of 

Incorrect
0

Greater than 

0
Should have chosen

Smaller than 

0

equal to 

0
Question 10

Which mode of heat transfer is slowest of all other models 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Convection 

Incorrect
0

Conduction 

0
Should have chosen

Radiation 

0

None of above 

0
Question 11

100ºC will be___________when converted into forhentie 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

-273 F 

Incorrect
0

212 F 

0
Should have chosen

373 F 

0

273 F 

0
Question 12

The Process by which heat reaches from surp to earth is 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Incorrect
0

None of above 

0

Radiation

0
Should have chosen

Convection 

0
Question 13

The boiling Point of water in farfhenite scale is_______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

212ºF

Incorrect
0

273ºF

0

373ºF

0
Should have chosen

100ºF

0
Question 14

100ºC will be when converted into kelvin will become 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

373 K

0
Should have chosen
Selected

212 K

Incorrect
0

273 K

0

-273 K

0
Question 15

32 F when converted into celcius will become_____________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

0ºC

0
Should have chosen

100ºC

0

373ºC

0

273ºC

0