Questions

Q:

What has a mouth but never smiles?

Answer

A bottle has a mouth from which we used to drink water or any juice. But it cannot smile.

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Subject: Word Puzzles Exam Prep: TOEFL , GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

13 4138
Q:

The Kinetic energy of gas molecules

A) is unaffected by temperature variations B) decreases with increase of temperature
C) increases with decrease of temperature D) increases with increase of temperature
 
Answer & Explanation Answer: D) increases with increase of temperature

Explanation:

Kinetic Energy K.E = 12mV2  or 

K.E V2, Where 'm' is the mass and 'v' is the velocity of molecules.

 

Velocity is proportional to temperature. Hence, KE is proportional to temperature and would increase with temperature.

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Filed Under: Chemistry
Exam Prep: AIEEE

18 4138
Q:

How do you detect a sequence of "1101" arriving serially from a signal line?

Answer

A SIPO and AND gate circuit can detect this sequence.The output of SIPO is connected to a four input AND gate ,the third SIPO output should be connected through a NOT gate.When the 1101 sequence is loaded in to the SIPO the AND output goes HIGH otherwise keeps LOW.

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Subject: Hardware

0 4137
Q:

How would you use qsort() function to sort an array of structures?

Answer

#include "string.h"


#include "stdlib.h"


struct stud


{


       int rollno;


       int marks;


       char name[30];


};


int sort_m (struct stud *, struct stud *);


int sort_name (struct stud *, struct stud *);


int sort_marks (struct stud *, struct stud *);


 


main()


{


static struct stud ss[] = {


                                            { 15, 96, "Akshay" },


                                            { 2, 97, "Madhuri" },


                                            { 8, 85, "Aishvarya" },


                                            { 10, 80, "Sushmita" }


                                   };


int x,w;


clrscr();


w = sizeof (struct stud);


 


printf ('\nIn order of roll numbers:");


qsort (ss, 4, w, sort_rn);


for(x=0; x<4;x++)


     printf ("\n%d%s%d", ss[x].rollno, ss[x].name,ss[x].marks);


 


printf("\n\nIn order of names:");


qsort(ss, 4, sort_name);


 


for (x=0; x<4;x++)


      printf("\n%d%s%d",ss[x].rollno, ss[x].name,ss[x].marks);


printf("\n\nIn order of marks:");


qsort(ss,4,w,sort_marks);


 


for (x=0;x<4;x++)


      printf ("\n%d%s%d",ss[x].rollno,ss[x].name,ss[x].marks);


}


int sort_rn (struct stud *t1, struct stud *t2)


{


     return (t1->rollno-t2->rollno);


}


 


int sort_name (struct stud *t1, struct stud *t2)


{


     return (strcmp(t1->name,t2->name));


}


int sort_marks (struct stud *t1, struct stud *t2)


{


     return (t2->marks-t1->marks);


}


 


 


 

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Subject: Programming

0 4137
Q:

Seagate is manufacturer of

A) harddisk B) earth moving equipment
C) picture tube D) banking software
 
Answer & Explanation Answer: A) harddisk

Explanation:
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Filed Under: Business Awareness

14 4137
Q:

A lady who remains unmarried

A_lady_who_remains_unmarried1553081869.jpg image

A) Bachelore B) Prissy
C) Spinster D) Anthrope
 
Answer & Explanation Answer: C) Spinster

Explanation:

A lady who remains unmarried never have a child or divorsed is called as Spinster.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

0 4136
Q:

Is Nitrogen an Inert gas?

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

Explanation:

Nitrogen is found as a diatomic molecule (N2) in nature. There is a triple bond between the two nitrogen atoms.


 


The triple bond is pretty strong. Therefore, it needs a lot of energy to break those bonds and participate in a reaction. So nitrogen is commonly referred to as and used as an inert gas (high abundance & low cost.) However, it’s not truly inert like most noble gases. Nitrogen does react if the conditions are met. But those conditions are not exactly mild, but are not as extreme as for noble gases.


 


It forms nitric oxide and nitrogen dioxide with oxygen, ammonia with hydrogen, and nitrogen sulfide with sulfur.

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

2 4134
Q:

Solids have definite shapes.This is because

A) the forces of cohesion of the molecules within are very much less in them B) the forces of cohesion are very large
C) the forces of adhesion are large D) the forces of adhesion are less
 
Answer & Explanation Answer: B) the forces of cohesion are very large

Explanation:

Cohesion refers to attraction between molecules of the same kind while adhesion refers to attraction between different kinds of molecules

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Filed Under: Physics

3 4133