181 . The maximum frictional force , which comes into play , when a body just begins to slide over the surface of the surface of the other body, is known as

A. static friction
B. dynamic friction
C. limiting friction
D. all of these

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Answer: Option C

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Assistant Director (Engineering -Mechanical) | 11.01.2019

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182 . The nature of electricity being produced using sun rays is:

A. AC
B. DC
C. Both AC and DC
D. None

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Answer: Option A

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পল্লী বিদ্যুতায়ন বোর্ড। এসিস্ট্যান্ট এনফোর্সমেন্ট কোঅডিনেটর। 31-12-2021

A. 3-5 mm Hg
B. 5-7 mm Hg
C. 7-10 mm Hg
D. 10-15 mm Hg

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Answer: Option A

Explanation:

Portal venous pressure is the blood pressure in the hepatic portal vein, and is normally between 5 - 10 mmHg.

Raised portal venous pressure is termed portal hypertension, and has numerous sequelae such as ascites and hepatic encephalopathy.

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বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. counter-sinking
B. counter -boring
C. trepanning
D. spot facing

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Answer: Option A

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Assistant Director (Engineering -Mechanical) | 11.01.2019

A. counter -sinking
B. counter -boring
C. trepanning
D. spot facing

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Answer: Option A

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Assistant Director (Engineering -Mechanical) | 11.01.2019

A. Staphyllococcus aureus
B. Streptococcus pyogenes
C. Salmonella typhimurium
D. Clostridium botulinum

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Answer: Option B

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বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. Oligomenorrhoea
B. Weight loss
C. Hypertension
D. Diabetes mellitus

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Answer: Option A

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বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. Electro synthesis
B. Electrophoresis
C. Electro analysis
D. Electrolysis

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Answer: Option B

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সাধারণ বীমা কর্পোরেশন || জুনিয়র অফিসার (12-07-2019)

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

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Answer: Option B

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Assistant Director (Engineering -Mechanical) | 11.01.2019

A. 14/5
B. 7/5
C. 5/14
D. 5/7

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Answer: Option C

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Assistant Director (Engineering -Mechanical) | 11.01.2019

A. Is related anteriorly to the cervix
B. Has a venous drainage into the superior vena cava
C. Begins infront of the 1st sacral vertebra
D. Has a lining of stratified squamous epithelium

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Answer: Option A

Explanation:

The rectum is the final straight portion of the large intestine in humans and some other mammals, and the gut in others.

The adult human rectum is about 12 centimetres (4.7 in) long, and begins at the rectosigmoid junction, the end of the sigmoid colon, at the level of the third sacral vertebra or the sacral promontory depending upon what definition is used.

Its caliber is similar to that of the sigmoid colon at its commencement, but it is dilated near its termination, forming the rectal ampulla.

It terminates at the level of the anorectal ring (the level of the puborectalis sling) or the dentate line, again depending upon which definition is used.

In humans, the rectum is followed by the anal canal which is about 4 centimetres (1.6 in) long, before the gastrointestinal tract terminates at the anal verge. The word rectum comes from the Latin rectum intestinum, meaning straight intestine.

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৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. scaling factor
B. forming factor
C. resisting factor
D. fouling factor

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Answer: Option D

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Assistant Director (Engineering -Mechanical) | 11.01.2019

A. Asteroid
B. Star
C. Planet
D. Matter

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Answer: Option B

Explanation:

The Sun is a star. There are lots of stars, but the Sun is the closest one to Earth. It is the center of our solar system.

The Sun is a hot ball of glowing gases. It keeps our planet warm enough for living things to thrive. It gives us light so we can see.

Eight planets move around the Sun. We call that an orbit. The planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Lots of smaller worlds orbit the Sun. Pluto is a dwarf planet beyond Neptune. There are many asteroids and comets that go around the Sun, too.

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194 . The superficial inguinal ring is an opening in the :

A. External oblique aponeurosis
B. Fascia transversalis
C. Internal oblique aponeurosis
D. Conjoint tendon

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Answer: Option A

Explanation:

The superficial (external) ring marks the end of the inguinal canal, and lies just superior to the pubic tubercle. It is a triangle shaped opening, formed by the evagination of the external oblique, which forms another covering of the inguinal canal contents.

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৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. Ganglia
B. Purkinjec cell
C. Neuron
D. Neuroglia

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Answer: Option D

Explanation:

Nervous tissue is composed of neurons and supporting cells called neuroglia, or ” glial cells.” ... The four types of neuroglia found in the central nervous system are astrocytes, microglial cells, ependymal cells, and oligodendrocytes.

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৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

181 . The maximum frictional force , which comes into play , when a body just begins to slide over the surface of the surface of the other body, is known as

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182 . The nature of electricity being produced using sun rays is:

183 . The normal portal venous pressure is __

184 . The operation of making a cone -shaped enlargement of the end of a hole is known as

185 . The operation of making a cone -shaped enlargement of the end of a hole is known as

186 . the organisms causing food poisoning are all except _

187 . The poly cystic overy syndrome is associated wit __

188 . The process of fragmentation of DNA in Genetic Engineering is known as-

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

190 . The ratio of shear modulus to the modulus of elasticity for a poisson's ratio of 0.4 will be

191 . The rectum :

192 . The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .

193 . The sun is a -- ?

194 . The superficial inguinal ring is an opening in the :

195 . The supporting cells of nervous system is called .

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