You are here

22102 Unit I online test

You got 3 of 15 possible points.
Your score: 20%
Question 1

In Semiconduelotrs the valancy band and Condution band____________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Have small gap 

0
Should have chosen

Have huge gap 

0

overlap each other

0
Selected

None of above 

Incorrect
0
Question 2

In insulators the Valancy band and condution band_________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Have small gap

0

Have huge gap 

0
Should have chosen
Selected

overlap each other

Incorrect
0

None of above 

0
Question 3

Which of the following wloues reflects more heat 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Black 

0

White 

0
Should have chosen

Red

0
Selected

Blue 

Incorrect
0
Question 4

Which of the following is NOT a conductor 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Aluminium 

Incorrect
0

Mica 

0
Should have chosen

Copper 

0

Iron

0
Question 5

In N - Type Semiconductor mayjority carriers are______________--

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Holes 

Incorrect
0

Electrons 

0
Should have chosen

Both of above 

0

None of above 

0
Question 6

Conduction is ___________than convection 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Medium 

0

Faster 

0
Selected

Slower 

Correct
1
Should have chosen
Question 7

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Steel 

0

Aluminium 

0
Selected

Glass 

Correct
1
Should have chosen

Copper 

0
Question 8

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

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Condultion

0
Selected

Convection 

Incorrect
0

Raliation 

0
Should have chosen

None of abve 

0
Question 9

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Smaller than 

Incorrect
0

Greater than 

0
Should have chosen

Half of 

0

equal to 

0
Question 10

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

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Correct
1
Should have chosen

Conveection 

0

Radiatiion 

0

None of above

0
Question 11

100ºC will be when converted into kelvin will become 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

-273 K

Incorrect
0

373 K

0
Should have chosen

273 K

0

212 K

0
Question 12

273.15 K when converted into desree celcius will become________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

100ºC

Incorrect
0

273ºC

0

0ºC

0
Should have chosen

32ºC

0
Question 13

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Incorrect
0

Convection 

0

Radiation 

0

All of above 

0
Should have chosen
Question 14

273.15 K when conveted into Forhenite will become___________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

100ºF

0

32ºF

0
Should have chosen
Selected

373ºF

Incorrect
0

0ºF

0
Question 15

The boiling Point of water in farfhenite scale is_______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

373ºF

0
Should have chosen

273ºF

0
Selected

100ºF

Incorrect
0

212ºF

0