1 . A detective is a policeman but he does not wear a uniform. He works in his ordinary clothes. If he wears a uniform, robbers will kriow that he is a policeman, Then they will avoid him. To detect means 'to find out'. A detective finds out who does bad things. He can sit in a coffee-shop with other customers. He can listen to people talking. Some thieves may want to rob a shop. if they talk a detective may hear them. Then policemen will hide in the shop. When the thieves come, the policemen will catch them. A detective can go to a football match. He can watch for pickpockets and catch them: Pickpockets are people who steal things from people's pockets. A detective must be clever, honest and brave.He works hard and helps to protect us. 1.Which sentence is correct?

• A. A delective wears uniform
• B. A policeman does not wear uniform
• C. A detective is a policeman
• D. Robbers wear uniform

Answer: Option C

Explanation:

2 . Mobarokpur Gas Field is in --

• A. Netrokona
• B. Habigonj
• C. Moulovibazar
• D. Pabna
• D. None

Answer: Option D

Explanation:

3 . KPL এর অর্থ কি?

• A. কিলোমিটার পার লাইসেন্স
• B. কিলোমিটার পার লিটার
• C. কিলোগ্রাম পার লিটার
• D. কিলোগ্রাম পার লাইসেন্স

Answer: Option C

Explanation:

4 . The process of removing metal by a cutter which is rotated against the direction of travel of the workpiece, is called

• A. down milling
• B. up milling
• C. face milling
• D. end milling

Answer: Option B

Explanation:

5 . The operation of machining several surface of a workpiece simultaneously is called

• A. profile milling
• B. face milling
• C. gang milling
• D. none of these

Answer: Option C

Explanation:

6 . The author implies that institutions such as schools and workplaces-

• A. teach their employees about cultural differences
• B. share a common culture
• C. reinforce invisible culture differences
• D. are aware of culture differences

Answer: Option C

Explanation:

7 . N2O4g=2NO2g

• A. $6.4x{10}^{-3 }atm$
• B. $8.0x{10}^{-2 }atm$
• C. $6.4x{10}^{-4 }atm$
• D. $4.0x{10}^{-2 }atm$

Answer: Option B

Explanation:

8 . Ag⇌2Bg

• A. 8.314
• B. 3.70
• C. $\frac{1}{30}$
• D. $\frac{1}{3}$

Answer: Option D

Explanation:

9 . Kpও Kc

• A. $K_p> K_{c, }যখন △n>0$
• B. $K_p<K_{c, }যখন △n<0$
• C. $K_p=K_{c, }যখন △n=0$
• D. সবগুলি

Answer: Option D

Explanation:

10 . The speed at which the backpacker travels makes this the perfect way to see any country. Backpackers means-

• A. criminal
• B. tourist
• C. African
• D. carrier of illegal goods

Answer: Option B

Explanation:

11 . Kp

• A. $N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right)$
• B. $PC{l}_5\left(g\right)\rightleftharpoons PC{L}_3\left(g\right)$
• C. $l_2\left(g\right)+H_2\left(g\right)\rightleftharpoons 2lH\left(g\right)$
• D. $N_2{O}_4\left(g\right)\rightleftharpoons 2N{O}_2\left(g\right)$

Answer: Option C

Explanation:

12 . AB2g+12B2g⇋AB3g

• A. $at{m}^{\frac{1}{2}}$
• B. $at{m}^{-\frac{1}{2}}$
• C. $at{m}^2$
• D. $at{m}^{-2}$

Answer: Option B

Explanation:

13 . Kp=Kc?

• A. $PC{l}_5\left(g\right)\rightleftharpoons PC{l}_3\left(g\right)+C{l}_2\left(g\right)$
• B. $N_2\left(g\right)+O_2\left(g\right)\rightleftharpoons 2NO\left(g\right)$
• C. $N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right)$
• D. $2S{O}_3\left(g\right)\rightleftharpoons 2S{O}_2\left(g\right)+O_2\left(g\right)$

Answer: Option B

Explanation:

14 . সাম্যধ্রুবক Kp হলে তাপমাত্রা বৃদ্ধির সাথে logKp এর মান বৃদ্ধি পায়। বিক্রিয়াটি -

• A. তাপহারী
• B. একমুখী
• C. তাপোতপাদী
• D.

Answer: Option A

Explanation:

15 . স্থির তাপমাত্রায় 100 kpa চাপে একটি গঃ্যাসের আয়তন IL হয়। 125 kpa চাপে ঐ গ্যাসের আয়তন হবে-

• A. 0.6
• B. 0.7
• C. 0.8
• D. 0.10

Answer: Option C

Explanation:

16 . 101.3 kpa বাহ্যিক চাপে পানির স্ফুটনাংক কত?

• A. 100 ⁰c
• B. 18.0 ⁰c
• C. 120.8 ⁰c
• D.

Answer: Option A

Explanation:

17 . N2+3H2→2NH3 একটি গ্যাসীয় বিক্রিয়া, এতে Kc ও Kp এর সম্পর্ক কোনটি?

• A. kp=Kc (RT)-2
• B. kp=Kc (RT)1.5
• C. kp=Kc (RT)2
• D.

Answer: Option A

Explanation:

18 . একটি উভমুখী বিক্রিয়ার  △ n  এর মান 0.5 কত লেভিন তাপমাত্রায় বিক্রিয়াটির  Kp  ও  Kc  এর মান যথাক্রমে 40.5 এবং 5.5 হবে?[দেওয়া আছে,  R = 0.082 LatmK-1 mol-1  ]

• A. 179.6 K
• B. 66.126 K
• C. 330.63 K
• D. 661.26 K
• D. None of them

Answer: Option D

Explanation: