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Q:

When a piece of pure silicon is doped with aluminium, then

A) the conductivity of the doped silicon piece will remain the same B) the doped silicon piece will become n-type
C) the doped silicon piece will become p-type D) the resistivity of the doped silicon piece will increase
 
Answer & Explanation Answer: C) the doped silicon piece will become p-type

Explanation:

p type of semiconductor is obtained when Silicon is doped with a trivalent impurity like Aluminium. Aluminium is a p-type dopant, which means that when a semiconductor i.e. silicon is doped with aluminium, it creates a hole (positively charged carrier) by accepting an electron from the silicon atom. Electrical conductivity of semiconductors increasesand resistivity remains the same

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Filed Under: Physics
Exam Prep: Bank Exams

3 3205
Q:

Richest man in Asia 2018?

A) Mukesh Ambani B) Jack Ma
C) Prem Ji D) Lee
 
Answer & Explanation Answer: A) Mukesh Ambani

Explanation:

Indian business magnate Mukesh Ambani topples Jack Ma as Asia’s richest person as he positions Reliance Industries to disrupt the e-commerce space in India.

 

The chairman of India’s refining-to-telecoms conglomerate, Ambani was estimated to be worth US$44.3 billion in July 2018 with the share price of Reliance Industries rising 1.6 per cent to a record 1,099.8 rupees (US$16.05), according to Bloomberg Billionaires Index.

 

Jack Ma’s wealth stood at US$44 billion at the close of trading on the sameday in the US, where the company is listed.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

5 3205
Q:

Energy produced in nuclear reaction is given by

A) Charle's law B) Grahm's law
C) Gay - Lussac's law D) Einstein's law
 
Answer & Explanation Answer: D) Einstein's law

Explanation:
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Filed Under: Chemistry

2 3205
Q:

In which of the following activities silicon carbide is used

A) Disinfecting water of ponds B) Making casts for statues
C) Making cement and glass D) Cutting very hard substances
 
Answer & Explanation Answer: D) Cutting very hard substances

Explanation:

In_which_of_the_following_activities_silicon_carbide_is_used1553082795.jpg image

Silicon carbide is used in Cutting very hard substances.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 3204
Q:

Who was the Roman Emperor when Jesus was crucified?

A) Augustus B) Antonius Pius
C) Livia Drusilla D) Tiberius
 
Answer & Explanation Answer: D) Tiberius

Explanation:

BIBLICAL_KINGS_2_(TIBERIUS)1525675084.jpg image

Tiberius Caesar was a Roman emperor from 14 AD to 37 AD. And Jesus was crucified in between 30 - 33AD.

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Filed Under: World History
Exam Prep: AIEEE , Bank Exams

1 3204
Q:

Who became the Chief Minister of a state only for one day?

A) Zakir Hussain B) Jagdambika Pal
C) Rajendra Prasad D) Rajiv Gandhi
 
Answer & Explanation Answer: B) Jagdambika Pal

Explanation:

Jagdambika Pal was the Ex - Chief Minister of Uttar Pradesh only for one day i.e, on 21 Feb to 22 Feb in the year 1997.

download_(2)1542020857.jpg image

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3204
Q:

Sum of factors of 4b2c2-(b2+c2-a2)2 is 

A) a + b + c B) 2(a + b + c)
C) 0 D) 1
 
Answer & Explanation Answer: B) 2(a + b + c)

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

0 3203
Q:

A Good CFO will tell you that it is important to look at your bottom line and determine how to increase profits for the organization. Veronica, the new CFO at a local university, is taking that approach and applying it to new projects. Therefore,she wants to include costs from each phase of the project on a total expenditure is known as 

A) An opportunity cost B) A sunk cost
C) NPV D) A life cycle
 
Answer & Explanation Answer: D) A life cycle

Explanation:

Life Cycle costing includes the costs from each phase of the project life cycle when the total investment costs are calculated. Answer A is incorrect because an opportunity cost is the difference between a chosen investment and the one that is passed up. Answer B is incorrect because sunk costs are costs that have been incurred and cannot be reversed. Answer C is incorrect because net present value (NPV) is the present value of cash inflows(benifits) minus the present value of cash outflows (costs).

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Filed Under: PMP Certification

0 3201