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অধ্যায় ১৬ – তাপ সঞ্চালন

Total time = 5 minutes

Total MCQ = 15

পরীক্ষার সময় শেষ।


অধ্যায় ১৬ – তাপ সঞ্চালন

1 / 15

1) নিচের কোনটির থার্মাল কন্ডাকটিভিটি সবচেয়ে বেশি?

2 / 15

2) নিচের কোনটি Steady State Heat Transfer এর উদাহরণ-

3 / 15

3) Thermal conductivity of wood depends on-

4 / 15

4) নিচের কোনটির থার্মাল কন্ডাকটিভিটি সবচেয়ে কম-

5 / 15

5) Momentum diffusivity এবং thermal diffusivity এর অনুপাতকে কী বলে?

6 / 15

6)

7 / 15

7) কোন ধাতুটি সর্বোচ্চ তাপ পরিবাহী?

8 / 15

8) ভ্যাকুয়ামের তাপ পরিবাহিত হয় _ মাধ্যমে।

9 / 15

9) মহাশূন্য থেকে তাপ পরিবাহিত হয় কোন প্রক্রিয়ায়?

10 / 15

10) কোন ধরনের বস্তু সবচেয়ে কম তাপ বিকিরণ করে।

11 / 15

11) কোন ধরনের বস্তু সর্বাধিক তাপ বিকিরণ করে।

12 / 15

12) কোনটি তাপ অপরিবাহক?

13 / 15

13) কোন বস্তুর emissive power নির্ভর করে-

14 / 15

14) 0°C তাপমাত্রায় 125cm দৈর্ঘ্য একটি দস্তার তাপমাত্রা 200°C এ উন্নীত করা হলো। যদি দস্তার দৈর্ঘ্য প্রসারণ গুণাঙ্ক 0.000029/C হয়, এর দৈর্ঘ্য কত বৃদ্ধি পাবে?

15 / 15

15) মাঝখানে গোলাকার ছিদ্রবিশিষ্ট একটি প্লেটকে উত্তপ্ত করলে, ছিদ্রটির ব্যাস-

Your score is

The average score is 66%

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User NameStartDurationScore
T11:12:30 Sep 22, 20245 minutes 60%
Suman15:34:39 Jul 15, 20245 minutes 1 seconds0%
M rahman22:50:02 Jul 04, 20245 minutes 46.67%
T17:44:25 Jul 04, 20241 minutes 52 seconds80%
T17:38:00 Jul 04, 20243 minutes 12 seconds53.33%
T17:07:33 Jul 04, 20241 minutes 57 seconds66.67%
T17:00:17 Jul 04, 20242 minutes 14 seconds46.67%
T16:52:42 Jul 04, 20242 minutes 6 seconds33.33%
Z09:26:31 Jul 04, 20242 minutes 9 seconds46.67%
D09:22:50 Jul 04, 20242 minutes 31 seconds73.33%
Rubel09:20:07 Jul 04, 20243 minutes 58 seconds73.33%
D09:18:30 Jul 04, 20242 minutes 36 seconds66.67%
Z09:16:00 Jul 04, 20241 minutes 33 seconds80%
S09:10:14 Jul 04, 20242 minutes 24 seconds53.33%
S09:02:50 Jul 04, 20243 minutes 7 seconds20%
Arman23:09:18 Jul 03, 20244 minutes 30 seconds40%
RRR23:04:57 Jul 03, 20245 minutes 53.33%
Shafiul21:32:44 Jul 03, 20243 minutes 48 seconds66.67%
Raki Islam19:41:08 Jul 03, 20244 minutes 5 seconds33.33%
S19:07:47 Jul 03, 20242 minutes 11 seconds73.33%
S19:02:17 Jul 03, 20244 minutes 17 seconds66.67%
S18:57:39 Jul 03, 20243 minutes 51 seconds60%
Ovi14:39:24 Jul 03, 20241 minutes 22 seconds100%
Nur Alam12:17:42 Jul 03, 20244 minutes 52 seconds53.33%
Rubel09:46:10 Jul 03, 20242 minutes 55 seconds86.67%
Md.Joynal Abedin07:05:16 Jul 03, 20243 minutes 8 seconds80%
Ovi20:49:44 Jul 02, 20241 minutes 12 seconds100%
Ovi20:36:17 Jul 02, 20241 minutes 34 seconds86.67%
Md Nobi Hossen Ovi20:33:18 Jul 02, 20241 minutes 34 seconds93.33%
Ovi20:18:22 Jul 02, 20241 minutes 31 seconds86.67%
Ovi20:15:48 Jul 02, 20241 minutes 29 seconds80%
Rubel20:12:25 Jul 02, 20243 minutes 10 seconds73.33%
Ovi20:13:31 Jul 02, 20241 minutes 15 seconds93.33%
Rubel20:08:10 Jul 02, 20242 minutes 37 seconds80%
Ovi20:05:52 Jul 02, 20243 minutes 7 seconds60%
Ovi20:00:53 Jul 02, 20242 minutes 17 seconds93.33%
Md Nobi Hossen Ovi19:47:00 Jul 02, 20242 minutes 18 seconds60%
Ovi19:42:49 Jul 02, 20241 minutes 41 seconds40%
Md Shakil Miah14:36:59 Jul 02, 20242 minutes 14 seconds73.33%
Md Shakil Miah14:30:56 Jul 02, 20243 minutes 21 seconds66.67%
Md Shakil Miah14:23:22 Jul 02, 20244 minutes 24 seconds46.67%
R08:28:29 Jul 02, 20241 minutes 29 seconds80%
R08:24:47 Jul 02, 20242 minutes 55 seconds86.67%
R08:22:34 Jul 02, 20241 minutes 39 seconds93.33%
R08:18:52 Jul 02, 20242 minutes 30 seconds80%
sumon sarker18:20:58 Jul 01, 20242 minutes 5 seconds66.67%
H10:23:50 Jul 01, 20241 minutes 50 seconds100%
H10:19:57 Jul 01, 20241 minutes 52 seconds93.33%
R08:18:09 Jul 01, 20245 minutes 26.67%
Md.Joynal Abedin07:52:11 Jul 01, 20242 minutes 46 seconds53.33%
R23:22:44 Jun 30, 20242 minutes 10 seconds86.67%
R23:12:57 Jun 30, 20242 minutes 51 seconds73.33%
H22:51:16 Jun 30, 202450 seconds100%
H22:49:43 Jun 30, 20241 minutes 7 seconds93.33%
H22:47:50 Jun 30, 20241 minutes 19 seconds93.33%
H22:40:24 Jun 30, 20242 minutes 93.33%
H22:37:05 Jun 30, 20242 minutes 1 seconds86.67%
H22:33:36 Jun 30, 20242 minutes 13 seconds80%
H22:30:13 Jun 30, 20241 minutes 42 seconds93.33%
H22:25:57 Jun 30, 20242 minutes 21 seconds93.33%
H22:24:01 Jun 30, 202430 minutes 4 seconds86.67%
R17:06:39 Jun 30, 20243 minutes 26 seconds46.67%
R16:57:21 Jun 30, 20243 minutes 34 seconds46.67%
jewel15:05:35 Jun 30, 20242 minutes 36 seconds66.67%
jewel14:59:27 Jun 30, 20244 minutes 51 seconds46.67%
Joy13:39:33 Jun 30, 20241 minutes 54 seconds80%
Jcb13:35:39 Jun 30, 20242 minutes 12 seconds80%
Tangina Siddeque10:52:31 Jun 30, 20241 minutes 25 seconds60%
Tangina Siddeque10:48:40 Jun 30, 20241 minutes 46 seconds40%
Tangina Siddeque10:44:07 Jun 30, 20242 minutes 12 seconds53.33%
Tangina Siddeque10:24:47 Jun 30, 20241 minutes 50 seconds46.67%
Golam Rabbani09:41:27 Jun 30, 20244 minutes 15 seconds66.67%
Golam Rabbani09:36:04 Jun 30, 20243 minutes 12 seconds66.67%
S17:22:47 Jun 29, 20244 minutes 13 seconds73.33%
S17:02:24 Jun 29, 20245 minutes 1 seconds6.67%
jewel16:05:26 Jun 29, 20242 minutes 6 seconds46.67%
Monir15:29:51 Jun 29, 202425 seconds33.33%
Mahabuba Dil Afia14:29:46 Jun 29, 20241 minutes 31 seconds93.33%
Mahabuba Dil Afia13:59:17 Jun 29, 20242 minutes 12 seconds53.33%
Hm sumon12:09:59 Jun 29, 20242 minutes 41 seconds73.33%
Hm sumon12:04:18 Jun 29, 20243 minutes 26 seconds46.67%
sumon sarker10:41:16 Jun 29, 20244 minutes 55 seconds73.33%
Monir22:40:45 Jun 28, 202432 seconds26.67%
Habib Rahman11:34:42 Jun 27, 20245 minutes 33.33%
Razib Hossain07:40:22 Jun 27, 20244 minutes 33 seconds60%
Tangina Siddeque16:14:32 Jun 26, 20242 minutes 51 seconds33.33%
Parvez21:29:32 Jun 25, 20244 minutes 4 seconds53.33%
Piyas Adhikary18:45:31 Jun 25, 20245 minutes 26.67%
S14:51:13 Jun 25, 202442 seconds46.67%
MD Masum Billah13:13:42 Jun 25, 20245 minutes 1 seconds60%
MD Masum Billah13:07:52 Jun 25, 20245 minutes 73.33%
Tangina Siddeque12:06:00 Jun 25, 20241 minutes 46 seconds46.67%
Tangina Siddeque11:59:02 Jun 25, 20242 minutes 32 seconds53.33%
Vjgf11:47:16 Jun 25, 20242 minutes 51 seconds93.33%
Dpi11:41:00 Jun 25, 20244 minutes 7 seconds93.33%
Rtf07:59:57 Jun 25, 20241 minutes 17 seconds100%
Dh07:57:38 Jun 25, 20241 minutes 36 seconds100%
Th07:55:49 Jun 25, 20241 minutes 18 seconds93.33%
Gwys07:53:46 Jun 25, 20241 minutes 21 seconds86.67%
Aka07:51:13 Jun 25, 20241 minutes 55 seconds86.67%
Jdjdjeie07:48:38 Jun 25, 20242 minutes 80%
Hs07:45:19 Jun 25, 20242 minutes 36 seconds80%
Amlan Kumar21:41:54 Jun 24, 20245 minutes 33.33%
Amlan21:35:52 Jun 24, 20245 minutes 26.67%
K22:59:57 Jun 23, 20241 minutes 22 seconds100%
K22:56:02 Jun 23, 20242 minutes 40 seconds93.33%
Dhj10:19:07 Jun 23, 20241 minutes 52 seconds93.33%
Bahz10:16:42 Jun 23, 20241 minutes 41 seconds86.67%
Dr cn10:14:22 Jun 23, 20241 minutes 45 seconds86.67%
Sw10:12:09 Jun 23, 20241 minutes 42 seconds86.67%
Ss10:10:15 Jun 23, 20241 minutes 23 seconds100%
Nj10:07:12 Jun 23, 20242 minutes 31 seconds86.67%
Fhj10:04:04 Jun 23, 20242 minutes 18 seconds80%
Df09:10:03 Jun 23, 20242 minutes 3 seconds60%
Yj09:07:13 Jun 23, 20242 minutes 7 seconds86.67%
Hh09:02:23 Jun 23, 20243 minutes 37 seconds53.33%
K09:02:18 Jun 23, 20241 minutes 23 seconds100%
K08:59:17 Jun 23, 20242 minutes 15 seconds80%
K08:55:57 Jun 23, 20242 minutes 57 seconds93.33%
K08:53:05 Jun 23, 20242 minutes 19 seconds86.67%
Sujon18:22:15 Jun 22, 20242 minutes 8 seconds60%
Sujon18:19:08 Jun 22, 20242 minutes 9 seconds53.33%
Sujon14:58:11 Jun 22, 20244 minutes 5 seconds40%
Hossain Ahmed Masum Masum17:44:56 Jun 18, 20242 minutes 36 seconds60%
Hossain Ahmed Masum Masum06:00:10 Jun 16, 20243 minutes 35 seconds53.33%
Bp22:28:43 Jun 15, 20244 minutes 16 seconds40%
Gautam Kumar06:24:20 Jun 15, 20245 minutes 33.33%
Gautam Kumar06:13:38 Jun 15, 20245 minutes 33.33%
Abir00:21:13 Jun 12, 202452 seconds93.33%
Abir00:19:35 Jun 12, 202454 seconds86.67%
abir00:17:19 Jun 12, 20241 minutes 11 seconds93.33%
Hossain Ahmed Masum Masum23:47:07 Jun 11, 20242 minutes 24 seconds46.67%
Jfu11:31:36 Jun 09, 202417 seconds13.33%
Idud11:30:42 Jun 09, 202415 seconds26.67%
S11:29:42 Jun 09, 202421 seconds13.33%
Roif22:01:33 Jun 08, 20245 minutes 93.33%
Rouf21:52:35 Jun 08, 20245 minutes 86.67%
Hossain20:21:04 Jun 07, 20243 minutes 54 seconds53.33%
Abir06:27:39 Jun 07, 20245 minutes 6.67%
Md.Nazrul Islam20:22:00 Jun 02, 20245 minutes 53.33%
arabi11:14:35 Jun 02, 20245 minutes 93.33%
H19:18:18 May 26, 20241 minutes 47 seconds93.33%
Mahmud19:16:04 May 26, 20241 minutes 45 seconds86.67%
H09:24:00 May 26, 20241 minutes 55 seconds93.33%
Mahmud09:20:55 May 26, 20242 minutes 12 seconds73.33%
H09:17:13 May 26, 20242 minutes 48 seconds86.67%
H09:13:42 May 26, 20242 minutes 27 seconds73.33%
B20:13:44 May 25, 20241 minutes 36 seconds86.67%
H20:10:00 May 25, 20241 minutes 59 seconds73.33%
Mahmud20:07:30 May 25, 20241 minutes 57 seconds93.33%
B20:05:23 May 25, 20241 minutes 32 seconds100%
H20:01:45 May 25, 20242 minutes 18 seconds66.67%
H19:57:26 May 25, 20242 minutes 39 seconds40%
H19:34:12 May 25, 20242 minutes 25 seconds53.33%
Abdullah14:33:58 May 22, 20242 minutes 25 seconds80%
Abdullah14:30:49 May 22, 20242 minutes 9 seconds53.33%
Abdullah14:26:14 May 22, 20243 minutes 7 seconds40%
Tanzil15:56:43 May 21, 20245 minutes 33.33%
MD Zubaer Al Mamun22:36:33 May 15, 20242 minutes 8 seconds100%
ZUBAER22:30:05 May 15, 20243 minutes 7 seconds93.33%
Zubaer22:25:01 May 15, 20242 minutes 24 seconds66.67%
Opu22:22:28 May 15, 20241 minutes 44 seconds86.67%
Zubaer22:19:33 May 15, 20242 minutes 9 seconds86.67%
Opu22:16:36 May 15, 20242 minutes 3 seconds86.67%
MD Zubaer Al Mamun22:10:58 May 15, 20244 minutes 1 seconds66.67%
Fgg00:29:00 May 15, 20242 minutes 57 seconds66.67%
Ppi00:23:57 May 15, 20243 minutes 14 seconds73.33%
Ppi00:18:18 May 15, 20243 minutes 31 seconds73.33%
kki00:12:57 May 15, 20243 minutes 44 seconds66.67%
Kki00:29:30 May 14, 20243 minutes 29 seconds60%
Mohammad Sahidul Islam23:10:36 May 10, 20244 minutes 1 seconds33.33%
Mohone18:06:33 May 10, 20245 minutes 80%
Shahadat hossin Hossin16:14:16 May 06, 20245 minutes 40%
S18:56:32 Apr 30, 20242 minutes 23 seconds93.33%
S18:48:21 Apr 30, 20242 minutes 35 seconds80%
A18:40:04 Apr 30, 20243 minutes 5 seconds66.67%
F18:23:06 Apr 30, 20242 minutes 23 seconds86.67%
R18:11:59 Apr 30, 20243 minutes 5 seconds53.33%
A18:03:52 Apr 30, 20243 minutes 18 seconds33.33%
204:18:13 Apr 29, 20245 minutes 29 seconds13.33%
Nshdj07:08:08 Apr 24, 20241 minutes 37 seconds93.33%
Xbhxjj07:05:56 Apr 24, 20241 minutes 35 seconds73.33%
Hsbdb07:02:43 Apr 24, 20242 minutes 36 seconds80%
Shdh06:57:57 Apr 24, 20242 minutes 36 seconds40%
Rahim22:22:27 Apr 23, 20245 minutes 33.33%
Rahim22:10:40 Apr 23, 20244 minutes 21 seconds60%
dalim roy20:22:37 Apr 23, 20241 minutes 51 seconds66.67%
dalim roy20:20:02 Apr 23, 20241 minutes 48 seconds80%
dalim roy20:16:59 Apr 23, 20241 minutes 57 seconds80%
dalim roy20:13:52 Apr 23, 20241 minutes 42 seconds60%
dalim roy20:09:44 Apr 23, 20242 minutes 32 seconds46.67%
Md Sabbir Hossain00:06:03 Apr 21, 20242 minutes 9 seconds80%
Md Sabbir Hossain22:14:51 Apr 20, 20242 minutes 10 seconds86.67%
Md Sabbir Hossain22:07:16 Apr 20, 20245 minutes 46.67%
Md Sabbir Hossain22:01:25 Apr 20, 20243 minutes 52 seconds60%
Md Shakil Miah07:28:48 Apr 05, 20243 minutes 13 seconds46.67%
Liton17:49:15 Mar 24, 20244 minutes 41 seconds60%
Liton17:43:12 Mar 24, 20242 minutes 58 seconds73.33%
Liton16:50:17 Mar 23, 20244 minutes 29 seconds53.33%
Liton16:41:50 Mar 23, 20245 minutes 66.67%
Liton14:02:40 Mar 20, 20243 minutes 44 seconds46.67%
Liton00:33:17 Mar 19, 20243 minutes 56 seconds40%
S19:39:21 Mar 03, 20245 minutes 66.67%
S19:27:13 Mar 03, 20245 minutes 0%
A15:01:04 Feb 22, 20245 minutes 26.67%
A00:36:51 Feb 22, 20245 minutes 0%
সালমান10:04:58 Feb 17, 20245 minutes 66.67%
Mst.Mohasina Moktaji09:26:16 Feb 06, 20243 minutes 4 seconds26.67%
Momin10:50:09 Feb 01, 20243 minutes 32 seconds100%
Momin10:45:40 Feb 01, 20243 minutes 4 seconds73.33%
Sanjay20:13:58 Jan 30, 20245 minutes 1 seconds33.33%
Jon19:47:29 Jan 27, 20242 minutes 7 seconds20%
Robbani Mia14:21:01 Jan 23, 20242 minutes 49 seconds80%
Md Sagar15:43:49 Jan 21, 20243 minutes 34 seconds66.67%
Md Sakil Hosen22:43:22 Jan 20, 20243 minutes 32 seconds33.33%
Shahadat03:49:36 Jan 19, 20245 minutes 66.67%
Shahadat03:16:46 Jan 19, 20245 minutes 66.67%
Shahadat02:55:28 Jan 19, 20245 minutes 60%
Md nime17:36:38 Jan 18, 20242 minutes 51 seconds26.67%
13:55:50 Jan 18, 20241 minutes 28 seconds86.67%
না13:51:32 Jan 18, 20242 minutes 12 seconds80%
Kr11:41:19 Jan 18, 20241 minutes 7 seconds100%
Kr11:39:33 Jan 18, 20241 minutes 13 seconds80%
Kr11:37:47 Jan 18, 20241 minutes 18 seconds86.67%
Kr11:35:19 Jan 18, 20241 minutes 36 seconds60%
Kr11:32:43 Jan 18, 20241 minutes 37 seconds86.67%
Kr11:30:00 Jan 18, 20241 minutes 54 seconds60%
Kr11:27:13 Jan 18, 20241 minutes 55 seconds66.67%
Kr11:24:06 Jan 18, 20241 minutes 59 seconds40%
Ovi22:08:44 Jan 17, 20241 minutes 23 seconds80%
Ovi22:06:21 Jan 17, 20241 minutes 27 seconds86.67%
Ovi22:01:56 Jan 17, 20242 minutes 58 seconds53.33%
Ovi21:58:25 Jan 17, 20242 minutes 5 seconds46.67%
Kabir21:16:24 Jan 17, 20245 minutes 60%
Torikul Islam01:14:38 Jan 16, 20244 minutes 41 seconds73.33%
Arafat15:52:49 Jan 15, 20243 minutes 59 seconds46.67%
MD ZUBAYER23:09:24 Jan 14, 20245 minutes 4 seconds46.67%
Anwar Hossen21:44:35 Jan 14, 20243 minutes 3 seconds80%
Anwar Hossen21:36:49 Jan 14, 20243 minutes 5 seconds80%
Anwar Hossen21:28:24 Jan 14, 20243 minutes 52 seconds86.67%
Anwar Hossen21:19:39 Jan 14, 20243 minutes 15 seconds86.67%
Anwar Hossen21:10:54 Jan 14, 20242 minutes 57 seconds73.33%
Anwar Hossen21:02:40 Jan 14, 20243 minutes 37 seconds53.33%
Anwar Hossen20:25:43 Jan 14, 20242 minutes 50 seconds46.67%
Harij Alhasan16:02:24 Jan 14, 20244 minutes 25 seconds60%
Md Sohanur Islam22:27:26 Jan 13, 20244 minutes 32 seconds66.67%
Nishadur Rahman21:47:14 Jan 13, 20243 minutes 13 seconds73.33%
Nishadur rahaman21:41:12 Jan 13, 20245 minutes 33.33%
Nishadur21:35:09 Jan 13, 20245 minutes 73.33%
n21:26:30 Jan 13, 20244 minutes 26 seconds80%
Robbani Mia10:46:59 Jan 13, 20242 minutes 5 seconds86.67%
Masum Reza00:23:30 Jan 13, 20243 minutes 14 seconds66.67%
Siam15:57:17 Jan 12, 20243 minutes 2 seconds26.67%