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22102 Unit I online test

You got 12 of 15 possible points.
Your score: 80%
Question 1

SI Unit of temp is__________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

ºC  [ Celcius ]

0

F [ Farhenite ]

0
Selected

K [ Kelvin ] 

Correct
1
Should have chosen

J [ Joule }

0
Question 2

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 3

In P-Type semiconductor mayorty cariers are _________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Holes 

Correct
1
Should have chosen

Electrons 

0

Both of above 

0

None of above 

0
Question 4

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Trivalent 

Incorrect
0

Divalent 

0

Pentavalent 

0
Should have chosen

Tetavalent 

0
Question 5

Which of the following is NOT an insulator 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Rubber 

0
Selected

Copper 

Correct
1
Should have chosen

Mica

0

Wood 

0
Question 6

Which mode of heat transfer can take place even without a medium 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Condultion

0

Convection 

0
Selected

Raliation 

Correct
1
Should have chosen

None of abve 

0
Question 7

Conduction is ___________than convection 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Medium 

0
Selected

Slower 

Correct
1
Should have chosen

Faster 

0
Question 8

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Glass 

Correct
1
Should have chosen

Aluminium 

0

Copper 

0

Steel 

0
Question 9

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 10

Which mode of heat transfer is slowest of all other models 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Convection 

0
Selected

Conduction 

Correct
1
Should have chosen

Radiation 

0

None of above 

0
Question 11

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conduction 

0

Convection 

0
Selected

Radiation 

Incorrect
0

All of above 

0
Should have chosen
Question 12

The Process by which heat reaches from surp to earth is 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Convection 

0

None of above 

0
Selected

Radiation

Correct
1
Should have chosen

Conduction 

0
Question 13

100ºC will be___________when converted into forhentie 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273 F 

0

373 F 

0
Selected

212 F 

Correct
1
Should have chosen

-273 F 

0
Question 14

273.15 K when converted into desree celcius will become________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

100ºC

0

32ºC

0
Selected

0ºC

Correct
1
Should have chosen

273ºC

0
Question 15

100ºC will be when converted into kelvin will become 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

212 K

0

273 K

0
Selected

373 K

Correct
1
Should have chosen

-273 K

0