CAT Questions

Q:

The colour of a thin film is due to

A) Scattering B) Dispersion
C) Diffraction D) Interference
 
Answer & Explanation Answer: D) Interference

Explanation:

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude. The color bands in thin films are a result of wavelength dependent interference caused by the close spacing of the surfaces of the film.

Report Error

View Answer Report Error Discuss

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

6 1752
Q:

D.C Series motor never operated on 

A) Full Load B) Half Load
C) No Load D) At any Load
 
Answer & Explanation Answer: C) No Load

Explanation:

D.C series motor both armature and feild connected in series at noload condition current drawn by the motor is zero Ia=0 flux also zero. but very small amount of flux avalible because of residual magnetism

in series motor speed  =  N α Eb/Φ Eb almost conistant

                                 =    N α 1/Φ

At no load condition d.c series can be run as dangerously very high so d.c series motor
operated at load condition only

Report Error

View Answer Report Error Discuss

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

1 1751
Q:

Who will be India's Republic Day chief guest in 2019?

A) Donald Trump B) Cyril Ramaphosa
C) Theresa May D) Scott Morrison
 
Answer & Explanation Answer: B) Cyril Ramaphosa

Explanation:

South Africa's President Cyril Ramaphosa will be India's Republic Day chief guest in 2019.

Report Error

View Answer Report Error Discuss

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

1 1751
Q:

Which is a difference between proteins and carbohydrates and fats?

A) Proteins are composed of monomers; carbohydrates and fats are not. B) Excess carbohydrates and fats are stored; excess proteins are not.
C) Proteins are macromolecules; carbohydrates and fats are not. D) Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
 
Answer & Explanation Answer: B) Excess carbohydrates and fats are stored; excess proteins are not.

Explanation:

All proteins, carbohydrates and fats are macronutrients that we need to make living. They contribute to 90% of the dry weight of our diet. 

 

From the given options, Excess carbohydrates and fats are stored; excess proteins are not.

Report Error

View Answer Report Error Discuss

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

4 1749
Q:

Under which Article the President can declare financial emergency?

A) Article 360 B) Article 356
C) Article 352 D) Article 350
 
Answer & Explanation Answer: A) Article 360

Explanation:

The President can declare financial emergency under Article 360.

Report Error

View Answer Report Error Discuss

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

3 1748
Q:

If one more cobbler is hired the output of a shoe making unit will increase from 50 pairs of shoes to 55 pairs per day, but then the shoe making unit will have to reduce the price of a pair of shoes from Rs 3200 to Rs 3000 per pair to sell the additional output, the marginal revenue product of the last cobbler is

A) Rs 1000 B) Rs 5000
C) Rs 4000 D) Rs 200
 
Answer & Explanation Answer: B) Rs 5000

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 1748
Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word

Incarcerat

A) Release B) Confine
C) Detain D) Commit
 
Answer & Explanation Answer: A) Release

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

1 1747
Q:

The International Day of Older Persons is observed on

A) 1st October B) 2nd October
C) 3rd October D) 4th October
 
Answer & Explanation Answer: A) 1st October

Explanation:
Report Error

View Answer Report Error Discuss

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

1 1746