Free Printable Orientation Program 2021

1.

AND gate is a basic gate.

a)

True

b)

False

2.

Among the following gates which are the universal gates.

a)

AND gate

b)

NAND gate

c)

OR gate

d)

NOR gate

3.

How many select lines are needed in a 4:1 multiplexer

a)

One

b)

Two

c)

Three

d)

Four

4.

For a 3-input decoder how many output lines are there

a)

Three

b)

Six

c)

Eight

d)

Twelve

5.

If the inputs of NAND gate are shorted then the gate will work as a

a)

Inverter

b)

AND gate

c)

OR gate

d)

EX-OR gate

6.

Which of the following is used to hold ROM, RAM, CPU and expansion cards?

a)

Computer Bus

b)

Mother Board

c)

Cache Memory

d)

All of these

7.

Who is known as the father of C Language?

a)

James A. Sosling

b)

Vjarne Stroustrup

c)

Dennis Ritchie

d)

Dr. E. F. Codd

8.

When can algorithms be used?

a)

Only with computers

b)

Only when programming

c)

Any time to design solutions to problems

d)

Only with flowcharts

9.

An algorithm ...

a)

Illustrates some steps, in no particular order, and following no logical reasoning

b)

Illustrates series of decisions needed to bake a cake

c)

Illustrates some random shapes in a flowchart but in a set order

d)

Illustrates a series steps in a particular order following logical reasoning

10.

In a flowchart, how are symbols connected?

a)

With lines and an arrow to show the direction of flow

b)

Symbols do not get connected together in a flowchart

c)

With dashed lines and numbers

d)

With dashed lines and numbers

11.

Total internal reflection happens when

a)

light passes from denser to rarer medium

b)

light comes into air from vaccum

c)

light goes to vaccum from air

d)

light passes from rarer to denser medium

12.

Which of the following is a vector quantity?

a)

Density

b)

Mass

c)

Volume

d)

Acceleration

13.

Working Principle of an electric generator is

a)

Gauss law

b)

Fleming’s left-hand rule

c)

Electromagnetic induction

d)

Ohm’s law

14.

Identify the correct formula for calculating total reading in a micrometer screw gauge (assume there is no zero correction)

a)

TR = HSR + (PSR x LC)

b)

TR = PSR + (HSR x LC)

c)

TR = LC + (HSR x PSR)

d)

TR = PSR + (HSR / LC)

15.

The horizontal distance between crests

a)

amplitude

b)

frequency

c)

period

d)

wavelength

16.

The conventional direction of current is from

a)

Positive to negative

b)

Negative to positive

c)

No direction

d)

None of these

17.

Which of the following is responsible for the mass of an atom?

a)

Only protons

b)

Only neutrons

c)

Neutrons and protons

d)

Protons and electrons

18.

Which of the following is not the end stage of a star?

a)

Black hole

b)

Milky way

c)

White dwarf

d)

Neutron star

19.

If something needs to be done (processing) what flowchart symbol do we use?

a)

Oval

b)

Parallelogram

c)

Rectangle

d)

Diamond

20.

If f(x) = 2sinx – 5 cosx +3 , find f’(x)

a)

1

b)

-5

c)

5

d)

2

21.

$If\ \int_0^2\sqrt{4\ -\ x^2}\ dx$

a)

$\pi$

b)

2

c)

4

d)

$\frac{\pi}{2}$

22.

$x-y\frac{\text{d}y}{\text{d}x}=2$

a)

$x^2-4x-y^2=c$

b)

2x

c)

2x + y

d)

none of these

23.

$2\cos^2x-3\sin x=0$

a)

1

b)

$\frac{\pi}{6}$

c)

$\frac{\pi}{3}$

d)

none of these

24.

$Resolve\ into\ partial\ fractions:\ \frac{10x+35}{\left(x+4\right)^2}\$

a)

$1\frac{1}{\text{x-4}}$

b)

$\frac{10}{x+4}-\frac{5}{\left(x+4\right)^2}$

c)

$\frac{\frac{11}{4}}{x+4}-\ \frac{\frac{5}{4}}{\left(x+4\right)^2}$

d)

none of these

25.

$\frac{\text{d}}{\text{d}x}\left(e^{2x}\right)=$

a)

$a.e^{2x}2$

b)

0

c)

$e^{2x}$

d)

none of these

26.

$\int_{ }^{ }\tan^2x\ dx$

a)

Tanx –x

b)

sinx-x

c)

secx – x

d)

none of these

27.

$\int_0^{\frac{\pi}{2}}\sin3x\ \cos xdx$

a)

$\frac{1}{2}$

b)

0

c)

$\frac{\pi}{2}$

d)

1

28.

$\cos c^{-1}\left(\frac{2}{\sqrt{3}}\right)=$

a)

$\frac{\pi}{3}$

b)

$\pi$

c)

$\frac{\pi}{6}$

d)

none of these

29.

$\frac{d}{dx}\left(\tan x\right)=$

a)

$\sec^2x$

b)

secxtanx

c)

log (secx+tanx)

d)

none of these

30.

The shape of earth is

a)

sphere

b)

oblate spheroid

c)

circular

d)

spheroid

31.

GPS stands for ________?

a)

Grade Positioning System

b)

Global Post System

c)

Guarantee Positioning System

d)

Global Positioning System

32.

Percent of the Earth's surface is water-covered with?

a)

71%

b)

63%

c)

81%

d)

92%

33.

Which of the following is iron ore?

a)

Cinnabar

b)

Calamine

c)

Haematite

d)

Rock salt

34.

An example of a reserve Battery is

a)

Leclanche Cell

b)

Lead Acid Battery

c)

Ni- Metal Hydride

d)

All these

35.

The potential difference between the two electrodes of a galvanic cell which causes the flow of current from one electrode to the other

a)

Standard electrode Potential

b)

Emf of a cell

c)

Single electrode Potential

d)

Cell Potential

36.

Part of science and technology that deals with the control of matter on the atomic and molecular scale - at dimensions of roughly 1 to 100 nm

a)

Electrochemistry

b)

Microbiology

c)

Biotechnology

d)

Nanotechnology

37.

Types of analysis are

a)

Qualitative

b)

Quantitative

c)

Both (a) and (b)

d)

None

38.

Large molecules made up of small monomers are called

a)

Peptones

b)

Peptides

c)

Monomers

d)

Polymers

39.

A Polymer

a)

Is a macromolecule

b)

formed by many monomers

c)

consists of repeating units

d)

All these

40.

The Analysis which involves the measurement of volumes of solutions that react with each other

a)

Qualitative

b)

Quantitative

c)

Instrumental

d)

Volumetric

41.

Nanotechnology allows the manipulation of atoms or molecules to create or modify materials at the nanoscale.

a)

True

b)

False

42.

What is 3D printing?

a)

It is the construction of a three-dimensional object from a CAD model

b)

It is the construction of a two-dimensional object from a CAD model

c)

It is the construction of a object from a CAD model

d)

None of the above

43.

The vision of Industry 4.0 is

a)

to decrease the cost of industrial production

b)

more efficient use of natural resources and energy

c)

enabling a custom mass production without significantly increasing overall production costs

d)

all of the above

44.

Which of the following vehicles produces zero emissions?

a)

Traditional

b)

Hybrid

c)

Electrical

d)

all of the above

45.

Which of the following is the type of permanent joining process?

a)

welding

b)

soldering

c)

both welding and soldering

d)

none of the mentioned

46.

In pneumatic systems the medium used is

a)

Air

b)

Liquid

c)

Hydrogen

d)

Oil

47.

In any network, the algebra sum of the currents meeting at a junction point is zero, which is Kirchhoff’s Current Law.

a)

True

b)

False

48.

Equivalent resistance of the resistors connected in parallel is ……. Individual resistance.

a)

Less than

b)

Greater than

c)

Same as

d)

Multiple of

49.

Which of the following does not change in a transformer?

a)

Current

b)

Voltage

c)

Frequency

d)

All of the above

50.

Where is field winding mounted in a DC machine?

a)

Stator

b)

Rotor

c)

Absent

d)

Both (a) & (b)

Orientation Program 2021 - Assessment

Total questions: 50

Worksheet time: 2hrs 40mins

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