Questions

Q:

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

A) 25 B) 27
C) 35 D) 43
 
Answer & Explanation Answer: C) 35

Explanation:

According to Bohr model, Each shell can occupy 2n2 electrons in their orbits where n=1,2,3.. for K,L,M,..

 

The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

 

And given that its nucleus has 18 neutrons

 

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

45 9695
Q:

Which is the only woman to have won the three Wimbledon titles in a row

A) Mari Pearey B) Miton
C) Sang Chan D) Steffi Graff
 
Answer & Explanation Answer: D) Steffi Graff

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Sports

9 9690
Q:

What is the theme of 2017 World Telecommunication and Information Society Day (WTISD)  ?

A) Entrepreneurship for social impact B) Reduce digital divide
C) Promote digital education for social welfare D) Big data for big impact
 
Answer & Explanation Answer: D) Big data for big impact

Explanation:

The World Telecommunication and Information Society Day (WTISD) is observed every year on May 17 to mark the anniversary of the signing of the first International Telegraph Convention (ITC) and the creation of the International Telecommunication Union (ITU). The purpose of the day is to help raise awareness of the possibilities that the use of the Internet and other information and communication technologies (ICT) can bring to societies and economies, as well as of ways to bridge the digital divide. The 2017 theme “Big Data for Big Impact” focuses on the power of Big Data for development and aims to explore how to turn imperfect, complex, often unstructured data into actionable information in a development context.

Report Error

View Answer Report Error Discuss

Filed Under: Important Days and Years
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , IT Trainer

8 9687
Q:

What is called the residual eroded mounds sporadically located in Karst Plains?

 

A) Monadnock B) Pediplain
C) Hum D) No option is correct
 
Answer & Explanation Answer: C) Hum

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography
Exam Prep: Bank Exams

3 9684
Q:

The Gandhi-Irwin pact was signed in the year

 

A) 1930 B) 1931
C) 1932 D) 1933
 
Answer & Explanation Answer: B) 1931

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

42 9675
Q:

How many logical drives is it possible to fit onto a physical disk?

Answer

Maximum of 24 logical drives. The extended partition can only have 23 logical drives.

Report Error

View answer Workspace Report Error Discuss

Subject: Hardware

10 9668
Q:

What is needed for steering control on a PWC?

Answer

PWC refers to Personal Water Crafts.


To control steering on a PWC, the most needed requirement is to have power in which will allows the one using it to control the engine for it to stop or for it to move. Without power, the person using it could be out of balance or fail to start the engine. This is the basic requirement because even though it is shut off or the engine is off, the PWC is still on and it could still move without proper knowledge of the engine.

Report Error

View answer Workspace Report Error Discuss

Subject: Physics Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 9668
Q:

If a new device is attached to a computer, such as printer or scanner, its ______ must be installed before the device can be used 

A) buffer B) driver
C) pager D) server
 
Answer & Explanation Answer: B) driver

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO

20 9668