Exams


Q:

Is Air a Mixture?

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, Air is a Mixture.


Air is considered as mixture for the following reasons ;


1. Air can be separated into its components like N2, O2 , Argon and CO2 by the process of fractional distillation of liquid air.


2. Air shows the properties of all the gases present in the atmosphere.
For example : Oxygen is good Supporter of combustion. Hence air also is good supporter of combustion.


3. Air does not have a fixed formula.


4. Air has a variable composition because air at different places contains different amount of gases.


5. Heat or Light energy is neither absorbed nor released when air is prepared physical by mixing required amount of gases .


6. Mixture does have fixed boiling Point. It holds good in case of liquid air.

Report Error

View Answer Workspace Report Error Discuss

Subject: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank PO , Database Administration , IT Trainer

7 4253
Q:

K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?

A) 5.5 days B) 6 days
C) 4.2 days D) 5 days
 
Answer & Explanation Answer: B) 6 days

Explanation:

L's 10 days work = 115×10=23

 


Remaining work = 1-23=13

 


Now,  work is done by K in one day = 1/18

 

1/3 work is done by K in  18×13 = 6 days

Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: GATE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

5 4252
Q:

Slip rings are usually made of

A) Aluminium B) Copper
C) Phosphor Bronze D) Carbon
 
Answer & Explanation Answer: C) Phosphor Bronze

Explanation:

A Slip ring is a ring in a dynamo or electric motor which is attached to and rotates with the shaft, passing an electric current to a circuit via a fixed brush pressing against it.

 

Slip rings are usually made of Phosphor Bronze.

 

Slip ring motors usually have a 'phase-wound' rotor. This type of rotor has a 3-phase, double-layer, distributed winding consisting of coils used in alternators. The rotor core is made up of steel laminations which have slots to accommodate formed 3-single phase windings.

slip_rings_are_usually_made_of1535005379.png image

Report Error

View Answer Report Error Discuss

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

4 4252
Q:

Which country has topped the 2017 A.T. Kearney Global Retail Development Index (GRDI) ?

A) China B) Nepal
C) Russia D) India
 
Answer & Explanation Answer: D) India

Explanation:

India has acquired the top position among 30 developing countries on ease of doing business at the 2017 A.T. Kearney Global Retail Development Index (GRDI). The 2017 GRDI titled “The Age of Focus” ranked China at second place, followed by Malaysia, Turkey, United Arab Emirates (UAE) and Vietnam. The 16th edition of GRDI ranked top 30 developing countries for retail investment worldwide and analyzed 25 macroeconomic and retail-specific variables to help retailers devise successful global strategies to identify emerging market investment opportunities.

Report Error

View Answer Report Error Discuss

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

2 4251
Q:

The largest flag of India measuring _______ feet was inaugurated on March 5, 2017 on the tallest flag post at the Indo-Pak Attari Border in Amritsar.

A) 360 ft B) 280 ft
C) 300 ft D) 310 ft
 
Answer & Explanation Answer: A) 360 ft

Explanation:
  • A 360-foot-high (110 metres) flag post, said to be the country's tallest, was inaugurated at the Indo-Pak Attari Border, just a stone's throw from Pakistan.
  • Punjab Minister Anil Joshi inaugurated the country's largest tricolour on the tallest flag post - measuring 110 metres in length, 24 metres in width and 55 tons in weight. Built at an approximate cost of Rs 3.50 crore, the post was a project of the Amritsar Improvement Trust Authority of the Punjab Government.
Report Error

View Answer Report Error Discuss

Filed Under: Longest, Shortest, Deepest
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

12 4251
Q:

There are two shopkeepers, first shopkeeper calculates his profit percent on the selling price whereas the second shopkeeper calculates his profit percent on the cost price. If the selling price for both the shopkeeper is same and the difference between their profits is Rs.175. Then, calculate the sum of the cost price for both the shopkeeper if the profit percent for the both shopkeeper is 25%?

A) Rs 5425  B) Rs 4875 
C)  Rs 4675  D)  Rs 5275 
 
Answer & Explanation Answer: A) Rs 5425 

Explanation:

Let the selling price for each of the shopkeeper be Rs 100x

For 1st shopkeeper

SP= Rs 100x

CP=100

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT

13 4250
Q:

Electrical burns occur principally because of

A) Radiation pulses of the electricity B) The heat generated by the flow of electrical current through the body
C) The high energy of electrons D) All of the above
 
Answer & Explanation Answer: B) The heat generated by the flow of electrical current through the body

Explanation:

Electrical burns occur principally because of the heat generated by the flow of electrical current through the body.

 

Burns caused by electricity are divided into three types:

electrical burns,

arc burns, and

thermal contact burns.

 

Electrical burns can result when a person touches electrical wiring or equipment that is used or maintained improperly.

Report Error

View Answer Report Error Discuss

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

2 4249
Q:

The famous hill-station Kodaikanal lies in

A) Palani hills B) Javadi hills
C) Nilgiri hills D) Cardamom hills
 
Answer & Explanation Answer: A) Palani hills

Explanation:

The famous hill-station Kodaikanal lies in Palani hills.

Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

0 4249