Academiz-1st year
Chemistry and Engineering Fundamentals Quiz
Test your knowledge on a range of topics related to chemistry and engineering with our engaging quiz designed for first-year students. This quiz covers a variety of essential concepts, from polymers to thermodynamics, ensuring a comprehensive assessment of your understanding.
Challenge yourself with questions on:
- Polymers and materials
- Thermodynamics
- Mathematics in engineering
- Programming fundamentals
Which one of the following is a boiler trouble?
Priming and foaming
Alkalinity
Disinfection of chlorination
Screening
Perylene can be obtained by
Addition polymerization
Homo polymerization
Condensation polymerization
None
Bakelite can be used in
Socks
Bearings
Switch boards
Tooth brushes
Criteria for feasibility of a process is
Tds (surr.) >= dE+ Pdv
Tds (sys.)>=dT+Vdp
Tds (sys.) >= dE+Pdv
Tds (sys.) <= dE+Pdv
Ureaformaldehyde is a
Homopolymer
Thermoplastic polymer
Copolymer
Thermosetting polymer
If Eg=Eg0 + 0.0592 V pH ; the electrode is
Quinhydrone
Hydrogen
Glass
None
Which of the following is correct ?
Tinning sheet is toxic
Tinning used for coating of steel, Cu
Tinning us used for alclad sheeting
All are correct
Condition for oxide layer to be non-protective ; V= volume
V(OL)= V(M)
V(M)
V(OL)<= V(M)
V(OL)< V(M)
Sludges can be prevented by
Using blow- down operations
Giving thermal shocks
Colloidal conditioning
Phosphate conditioning
Permanent hardness can be removed by
Ion exchange method
Zeolites
A and b are incorrect
A and b are correct
The system of equations called non – homogeneous if
AX=b(b=0)
AX=b(X=0)
AX=b(b =/= 0)
None
Number of positive terms in canonical form of a quadratic form is known as
Rank
Signature
Index
Negative definite
If Mdx + Ndy =0 is non- exact and is homogeneous DE, then IF= ?
IF= 1/(Mx-Ny)
IF = e ^ {(1/D)f(y)dy}
IF= 1/(Mx+Ny)
IF= e^ {(1/D)f(x) dx}
If [f(d)]y= Q(x) and Q(x) = sinbx or cosbx , the PI can be found by replacing
D by -b
D^2 by b
D^2 by b
D by b
An analytic fun ction is
Differentiable at every point
Entile function
Is holomorphic
Both a and c are correct
If u(x, y) and v( x, y) are continuous of (x, y) then
F(z) is discontinuous
F'(z) is continuous
F’(z) is discontinuous
F(z) is continuous
In the equation , P*(D^n)*P^(-1) =A^n ; A^n is called
Spectra matrix
Power of a matrix
Diagnolised matrix
All of these
Condition for negative definite
R=n
Index=0 and s=0
A is correct
A and b are correct
The product of eigen values of a 3*3 matrix is equal to
Sum of principal diagonal elements
Rank of the matrix
Determinant of the matrix
Sum of upper triangular matrix elements .
The equation of the form Dy= p(x)y + R(x)y^2 + s(x) represents
Exact DE
Non- exact DE
Riccatti’s equation
Clairaut’s equation.
What is the range of unsigned int
-128 to 127
-32768 to 32767
0 to 255
0 to 65535
Which of the following related to primary memory
Temporary memory
Semi conductor memory
Volatile memory
All the above
The ASCII value of 2 is
48
49
50
21
What will be the output for printf(“%c”, 100);
€˜a’
€˜b’
€˜c’
€˜d’
The backslash character constant ‘\t’ means cursor moves
To next line
Takes horizontal tab
Vertical tab
None
Which of the operators has higher priority ?
*
++
-
>=
Which of the following hexadecimal representation us false?
0x98
0x9BC
0X9bc
None
Which is the special symbol that is accepted in a variable name ?
&
+
_
//
Keywords / predefined fun ctions should always be in
Upper case only
Lower case only
Both
None
What is the binary value of ( 13427)10 is
11010101010011
1110001110011
11010001110011
111001011010011
The word that defines both the meanings?  to get angry  a pleasant smelling smoke
Annoyance
Incense
Instinctive
Aroma
statements: 1) ‘Bank’ is a homograph 2) ‘live’ is a homophone
Both 1 and 2 are true
Both 1 and 2 are false
1 is true but 2 is false
None
Which type of letters are formal in USA?
full block
semi block
modified block
none
Which of the following words dissimilar in meaning to ‘austere’
lavish
unfavourable
light
devout
‘read’ is an example of
Homolymph
Homograph
Homophone
Homonym
Which of the following words is closest in meaning to the word ‘ banish’ ?
excile
hate
fade
clean
“One who knows everything” is known as
Omnipotent
Omnivores
Scholar
Omniscient
“I am okay , you are okay “ suggests which style of communication
Submissive
Assertive
Aggressive
Hopeless
To make our communication effective which aspects are important ?
Verbal
Non-verbal
Both a and b
Informal
“ Learner Centered Communication “ is an example of
One – way communication
Two – way communication
Both a and b
None
The smallest resistance obtained by connecting 50 resistances of ¼ ohms each is
50/4 ohms
4/50 ohms
200 ohms
1/200 ohms
Find Va – Vb in the circuit below
-8V
10V
3V
6V
What is the path of low resistance in a circuit?
series
parallel
short circuit
open circuit
Ground is a _____________________ reference point
neutral
negative
positive
none
Which of the following can’t be the phase angle ?
360 degrees
30 degrees
70 degrees
420 degrees
A primary cell has an emf of 1.5 V , when short circuited it gives a current of 3 A . The internal resistance of the cell is ______
4.5 ohms
2 ohms
0.5 ohms
2/9 ohms
___________ is a common connection
ground
current
voltage
none
As per sign convention , the rise in potential difference should be considered as ____
-ve
0
+ve
voltage increase
An electrical fan and a heater are marked 100W , 220V and 1000W, 220V respectively . The resistance of the heater is ____
zero
> resistance of fan
< resistance of fan
equal to the resistance of fan
Unit of time period , frequency ______________
s, Hz
1/s , s
Hz , s
N, pascal.
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