Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Is the law of reflection happen in irregular mirror

Answer»

No DEAR it is not TRUE for IRREGULAR SURFACE,, it is only true for the REGULAR surfaces.

Hope that it will help you

2.

The armature coil in dc motor is connected with carbon brushes or the circuit or split rings?

Answer» HEY there is ANSWER !!!
I hope you help !!!
mark me brainlist !!!

========================


The windings (coils of wire) on thearmature are CONNECTED to the commutator segments. COMMUTATORS are used in direct current (DC)machines: DYNAMOS (DC generators) and many DC motors as well as universal motors. In a motor the commutator applies electric current to the windings.
3.

A ball of maass 200g fall from a height 5m . What is its kinetix energy when it just reaches the ground. ( g=9.8 m/s2

Answer»

According to the LAW of conservation of ENERGY, the total energy is conserved.
So total energy at the highest point = Total energy at lowest point
Only POTENTIAL energy (ball at rest) = Only kinetic energy (PE = 0 as h = 0)
m g h = KE
0.2 kg x 10 m/s​2 x 5M = KE  [you can calculate the final answer yourself now, all the BEST!]

4.

A ball of mass 200g is moving with a velocity of 10m/s is brought to rest in .04s.Calculate the impulse and average force exerted by the player/s

Answer» DEAR STUDENT,

m=200 g=0.2 kgvi=10 m/svf=0△t=0.05 sImpulse, I=F.△t=m(vi−vf)I=0.2(10−0)=2 kg−m/sAverage FORCE, F=Impulse△tF=20.05=40 N
5.

A ball is released from the top of a tower of height h meter . It takes t second to reach the ground . What is the position of ball at t/3 second?

Answer»

We have, initial velocity, u = 0

Acceleration, G = 9.8 m/s2

Now,

S = ut + ½ at2

=> H = 0 + ½ (9.8)T2

=> h = ½ (9.8)T2

Again,

S = ut + ½ at2

=> S = 0 + ½ (9.8)(T/3)2

=> S = (1/9)[½(9.8)T2]

=> S = h/9

Thus, after T/3 SECONDS the ball is at a DISTANCE h/9 meters from the top. Or, it is (h – h/9 =) 8h/9 meters from the ground.

6.

focal length of a convex mirror is 10cm.where should an object be placed in front of a convex mirror so that the image of half the size of the object is formed?

Answer»

Hey!!!
That is very SIMPLE

The convex mirror should be placed between the pole and the INFINITY

:-) HOPE it helps you.............


PLEASE mark this answer as brainleist............

7.

Are internal energy and heat energy the same explain why

Answer»

No internal energy and heat energy are not the same but their units are same. Internal energy can come HROM chemical energy, physical energy and also biochemical process but heat energy only is the SUM total of kinetic and potential energy of all the molecules of a substance. Though they differ in many ways but their units are same. They are MEASURED in Joules.

HOPE IT HELPS!!!
PLEASE MARK AS BRAINLIEST!!!!!

8.

How to convert 149.6 million km to km

Answer»

149.6 MILLION KM = 149600000km

hope it MAY HELP you..

9.

Can we wash cliclinecle thermometer in hot water

Answer»

Hii DEAR here is your answer


Another option is to wash thethermometer with lukewarm water and soap. Rinse the tip with cold water. Hot water can AFFECT the sensor. ... Steamcleaning is also POTENTIALLY DAMAGING to digital thermometers.


Hope it's help U

10.

Pls solve this.............

Answer» HOPE this will HELP U... :-)
11.

What is the relationship between joules and calories? what is the name given to this relationship?

Answer» 1 calorie=4.186 JOULE
12.

What do you mean by quaniization

Answer»

\huge\boxed{Hey there !}

A PROCESS in which the continuous range of VALUES of an analog signal is sampled and divided into nonoverlapping (but not necessarily equal) subranges, and a discrete, UNIQUE value is assigned to each subrange.

Hope it helps you !✌✌
13.

Examples for ultrasound

Answer»

View all

The drum WOULD still be transmitting sound waves, but your ears wouldn't be ABLE to recognize them. Bats, dogs, DOLPHINS, and moths might well HEAR them, however. Sounds this like, with frequencies beyond the range of human hearing, are examples of ULTRASOUND

14.

How Will you make pure water a good conductor of electricity?

Answer»

Pure water is bad conductor of ELECTRICITY .... because IONS is not present in pure watr that's conduct ELETRICITY

15.

1 webber.meter/ampere is equivalent to what

Answer» 1 AMPERE is EQUIVALENT to 1 COULOMB
16.

"I will never learn to juggle," your friend says one afternoon. She keeps dropping the items every time she tries to throw them in the air. "Sure you will," you tell her. "You just need to practice, and maybe you should work on your _____."

Answer» CONCENTRATION
I GUESS
17.

Use all of newtons laws to explain a game of tug of war

Answer»

ANSWER:

it is GOOD EXAMPLE of NEWTON's LAW

18.

particle is thrown with speed u making an angle alpha with the horizontal from the ground after how much time the velocity of the particle will make an angle theta with horizontal .

Answer»

Are you SURE that the QUESTION is CORRECT

19.

Escreva,ao lado de cada brincadeira ou jogo,o movimento ou gesto que esta sendo realizado.para isso,consulte a lista de movimentos e gestos do judô, que acabamos de citar

Answer»

HEY wassssssssssssss up

20.

Simple experiments to prove pascal´s law.

Answer»
21.

A ring of radius r carriges a charge Q uniformly distributed over its length. A charge q placed at its centre will experience a force is equal to

Answer»
let POINT of INTERSECTION of ring & sphere are P,Q ...let center of ring is O & center of sphere is O1 ...

OO1 bisects PQ in two equal parts , if S is the point of intersection of OO1 & PQ then

in triangle right angled POS

PO = R , OS = R/2 so angle POS = @

using trigonometry , [email protected] = OS/PS = 1/2

@ = pi/3

total angle substended by arc is 2pi/3...this is the arc of ring which lies inside sphere & substends

2pi/3 angle at the center of ring...





for 2pi radian CHARGE = q

for unit radian = q/2pi

for 2pi/3 radian q1 = (q/2pi)(2pi/3) = q/3

total flux through sphere = total charge enclosed/ebsilen = q/3ebsilen

this is the required flux
22.

What are different methods of design in R.C.C?

Answer»

1working stress METHOD
2 LIMIT state methid
3 allowable stress design
4 ultimate LOAD method

23.

Distinguish between short-term deflection and long–term deflection.

Answer»

Your answer is :-

SHORT term deflection
___________________

(a) Magnitude and distribution of LIVE loads,

(b) Span and type of end supports,

(c) Cross-sectional area of the members,

(d) Amount of steel reinforcement and the stress developed in the reinforcement,

(e) Characteristic strengths of concrete and steel, and

(f) Amount and extent of cracking.

• long-term deflection
__________________

The FOLLOWING are the major factors influencing the long-term deflection of the structures:

(a) Humidity and TEMPERATURE ranges during curing,

(b) Age of concrete at the time of loading, and

(c) Type and size of aggregates, water-cement RATIO, amount of compression reinforcement, size of members etc., which influence the creep and shrinkage of

24.

Write down the equation of lorentz force acting on a moving charged particle

Answer»

Answer:Lorentz force, the force exerted on a charged particle q moving with velocity V through an ELECTRIC field E and magnetic field B. The entire ELECTROMAGNETIC force F on the charged particle is called the Lorentz force (after the DUTCH physicist Hendrik A. Lorentz) and is given by F = QE + qv × B.

Explanation:

25.

Air temperature is 26 degree and water temperature is 29 degree

Answer»

What do in this TELL??

26.

Relation between apparent activation energy and true activation energy

Answer»

Answer:

Activation energy, in chemistry, the minimum amount of energy that is required to activate ATOMS or molecules to a condition in which they can undergo chemical transformation or physical transport. In transition-state theory, the activation energy is the difference in energy content between atoms or molecules in an activated or transition-state configuration and the CORRESPONDING atoms and molecules in their initial configuration. The activation energy is usually represented by the symbol Ea in mathematical expressions for such QUANTITIES as the reaction rate constant, K = Aexp(−Ea/RT), and the diffusion coefficient, D = Doexp(−Ea/RT).

EXPLANATION:

plzz mark as brainliest

27.

When the magnetic bearing of the sun at noon is 185 20 the magnetic declination will be

Answer»

When the MAGNETIC BEARING of the sun at noon is 185? 20' the magnetic declination will be: 5? 20' west.

28.

The state of stress at a point is given as below, then what is the third stress invarient?

Answer»

fhgj

it is too big

Explanation:

you you KNOW what is MEANING of FUK fuk is the PARK

29.

a carnot engine has an efficiency of 50% when its sink temperature is 27°c what must be the change in its source temperature for increasing its efficiency to 60%?

Answer» TAKING the Sink Temperature(T2) = 27 degree celsius = 300 kelvin

Efficiency(eta) be 25% = .25

Source Temperature(T1) = ?

Efficiency= (T1 - T2) / T1

Efficiency= 1 -T2/T1

T2/T1 = 1 - Efficiency

T1 = T2/(1 - Efficiency)

T1= 300/(1-.25)

T1 = 400 kelvin = 127 degree celsius

30.

Explain the importance of serviceability limit states in the structural design of reinforced concrete flexural members.

Answer»

In CIVIL ENGINEERING, SERVICEABILITY refers to the CONDITIONS under which ... Serviceability limit state design of structures INCL

31.

two cars A and B are moving in same direction with velocities 30m/s and 20m/s . when car A is at a distance 'd ' behind the car B , the driver of car A applies brakes producing uniform retardation of 2m/s2. there will be no collision when ?

Answer»

For no COLLISION the velocity of A MUST reduce to that of velocity of B.

VA = 30 m/s , VB = 20 m/s , a = - 2 m/s2

i.e. the relative final velocity of A with respect to B must be 0. Vr = 0

The relative initial velocity of A with respect to B is ( VA-VB )

The relative ACCELERATION of A with respect to B is (-a - 0 ) = - a

Using the equation : V2= u2+ 2as

0 = ( VA-VB )2 + 2 × -a × s'

s' = ( VA-VB )2 / 2 a

= (30-20) 2 / 4

=25 m

 

Hence no collision OCCURS when d is greater than 25 m

32.

Why there is no such a point between two electric charges where the electric intensity be 0?

Answer»

YES, there is such a point.

Electric field is ZERO in that point because the SUM of electric field VECTORS have same intensity and direction, but are opposite. That point is halfway between two like charges. Also known as a dead spot.


33.

Why there is no zero-field point for a pair of equal-magnitude-but-opposite-sign charges?

Answer»

Answer:

There is no zero-field POINT for a pair of equal-magnitude-but-opposite-sign CHARGES. Electric field is zero in that point because the sum of electric field vectors have same intensity and DIRECTION, but are opposite. That point is HALFWAY between two like charges.

34.

Maximum acceleration of a car while travelling up the 15 incline

Answer»

PLEASE COULD u give the TIME or VELOCITY


35.

Design an isolated square sloped footing for a column 500 mm 500 mm, transmitting an axial load of 1250kN. The column is reinforced with 8 bars of 20 mm diameter. The safe bearing capacity of soil is 120 kN/m². Use M 20 concrete and Fe 415 steel.

Answer»

Can I build a partition wall over a floor slab without a BEAM below it?

Answer

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12 ANSWERS



Krishna Kinkar Mishra, CIVIL engineer with experience at construction sites.

Answered Jul 24, 2017

Nowadays it is a common practice to build partition walls over floor slabs without a beam below it. It is frequent in commercial multistoried buildings that consist of framed structures. With changing needs , these partition walls get their locations changed. It is better to keep these partition walls light weight as far as possible. Wooden or ALUMINUM framed partitions are light weight. But even brick partition walls upto 125 mm/5″ thick are CONSTRUCTED. These are non-loadbearing walls. For these brick partition walls 100 kg/sqm live load is increased for each partition during the design.

So if the load consideration is there in the design such partition walls can be constructed.

36.

Why is the weight of an object on the moon on basics of its weight on the earth?

Answer»

The WEIGHT on MOON is 1/6 of the weight on earth.

It is DUE to gravity.


hope it HELPS

37.

Why surface tension is measured by counting number of drops?

Answer»

Explanation:

HELLO, GOOD morning. have a NICE day.

may it will be helpful to you.

please follow me on BRAINLY.

38.

How does shrinkage of concrete lead to deflections in reinforced concrete flexural members?

Answer»

Hey MATE here is your answer.
hope it will help you please MARK my as brilliant thank you...
this is not from any WEBSITE this is from my textbook...

39.

Why is electric current taken oppostite to the flow of electrons when its made up of electron???

Answer»

This is because electric current always FLOWS from positive terminal to NEGATIVE terminal......
that is from positive to negative


while in CASE of ELECTRONS, electrons always flow from negative to positive as they are negatively charged particles...


that's why the flow of current is taken opposite to the flow of electrons in a circuit...



HOPE it will help you .

40.

Why an electric cell has a positive terminal and a negative terminal ?

Answer»

Answer:

Since the current is the flow of positive CHARGE, the NEGATIVE ELECTRONS flow in the opposite direction to this (conventional) current. Within the cell itself, the charge flows from the negative TERMINAL to the positive terminal as it gains electrical energy.

please support me yarr and MARK as Brainliiests

41.

What will happen with image when half lense will covered with opaque medium

Answer»

A BLURRED IMAGE will be FORMED

42.

Define curing and describe the different method of curing.

Answer»

Curing is a TERM in POLYMER chemistry and process engineering thar refers to the toughening of a polymer MATERIAL by cross-linking of polymer
methods:
shading of concrete work
sprinkling of water
ponding method
steam curing

43.

Explain in detail the Abram’s Law.

Answer»

Abrams' law (also called Abrams' water-cement ratio law)[1] is a concept in CIVIL engineering. The law states the STRENGTH of a concrete mix is inversely related to the massratio of water to cement.[1][2] As the water content increases, the strength of concrete decreases.

Abrams’ law is a SPECIAL case of a general rule formulated empirically by FERET:


S=A/Bw/c

S = strength of concrete

A and B are constants

w/c is water-cement ratio varies from 0.3 to 1.20

44.

Describe various types of admixtures.

Answer»

Seven Must-Use Concrete ADMIXTURES (Additives)

Concrete Admixtures: Set-Retarding. Hisham IBRAHIM / Getty Images. ...Concrete Admixtures: Air-Entrainment. ...Water-REDUCING Concrete Admixtures. ...Concrete Admixtures: ACCELERATING. ...Concrete Admixtures: Shrinkage Reducing. ...Concrete Admixtures: Superplasticizers. ...Concrete Admixtures: Corrosion-Inhibiting.

45.

Why does the temperature of a liquid remain constant at its boiling point even when heating is contributes?

Answer» BCS that HEAT is used to CONVERT WATER into vapour or we can say that is OVERCOME to convert
46.

When two bodies with diff temp are brought tohether final temp equal to?

Answer» FINAL temp. Q=M×C×∆T
where,,c means HEAT CAPACITY, M means mass and as you KNOW T is temperature
47.

Consider a thin stick of length l standing on one of its ends on a frictionless surface

Answer»

It will FALL and VELOCITY ACQUIRED during this will be CONTINUED

48.

What is actually time dilation

Answer»

GO to YOUTUBE to UNDERSTAND WELL

49.

The density of gold is 19.6in cgs. System find the vue in si units

Answer»

19.6
I HOPE it will HELP you

50.

Explain the various types of polymer concrete.

Answer»

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