Explore topic-wise MCQs in Chemical Engineering.

This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

601.

In pic diagram, divisions are shown by means of

A. Circle
B. Sector
C. Circle or sector
D. None
Answer» C. Circle or sector
602.

Statistic deals with

A. Qualitative information
B. Quantitative information
C. Both
D. None
Answer» C. Both
603.

d of the A.P. 4, -8, -20……..

A. -4
B. 12
C. -12
D. -8
Answer» D. -8
604.

Ogives can be used to locate

A. Median
B. Quartiles
C. Deciles
D. All
Answer» E.
605.

The equations x2 + 4 =0 is a …………

A. Quadratic equation
B. Cubic equation
C. Simple equation
D. None
Answer» B. Cubic equation
606.

Two set A and B are said to be equal if they have exactly the same elements and we write it

A. A ≠ B
B. A = B
C. A € B
D. None
Answer» C. A € B
607.

Which method of data collection covers the widest area?

A. Direct personal investigation
B. Mailed questionnaire method
C. Direct interview method
D. All these
Answer» C. Direct interview method
608.

…………… are a set of eqn containing multiple variables

A. Simultaneous eqn
B. Linear eqn
C. Eqn
D. none
Answer» B. Linear eqn
609.

Measures of central tendency are called averages of the ……….. order

A. First
B. Second
C. Third
D. None
Answer» B. Second
610.

a 0 b −ais =

A. ab
B. 0
C. a2
D. b
Answer» D. b
611.

A time series is a set of data recorded

A. Periodically
B. At time intervals
C. At successive points of time
D. All the above
Answer» E.
612.

Eqn y = 2x+5 has

A. No solution
B. One solution
C. 3 solutions
D. Infinite solutions
Answer» E.
613.

The process of arranging data in groups according to similarities in character is called

A. Tabulation
B. Classification
C. Tabulation or classifaction
D. None
Answer» C. Tabulation or classifaction
614.

to find sum of A.P. Sn =

A. n/2 [2a + (n -1)d]
B. n/2 [2a + d]
C. n/2 [2a +(n-1)]
D. None
Answer» B. n/2 [2a + d]
615.

The Value of determinant a b c d is

A. ad – bc
B. ab – cd
C. bd – ac
D. bc - ad
Answer» B. ab – cd
616.

The primary data are collected by

A. Interview
B. Observation
C. Questionnaire
D. All these
Answer» E.
617.

For a normal distribution, Q3 + Q1 – 2 Median = …………

A. 2
B. 1
C. 3
Answer» E.
618.

The graphical representation of a cumulative frequency distribution is called

A. Histogram
B. Ogive
C. Both
D. None
Answer» C. Both
619.

……………. Is filled by the enumerator

A. Questionnaire
B. Schedule
C. Questionnaire or Schedule
D. All
Answer» C. Questionnaire or Schedule
620.

The A M of a and b is ……..

A. +2
B. ab
C.
D. a + b
Answer» B. ab
621.

A matrix in which every element is Zero

A. Unit
B. Diagonal
C. Scalar
D. Null
Answer» E.
622.

The difference between the maximum and the minimum observation of the given data iscalled ……………

A. Range
B. Mean Deviation
C. Quartile Deviation
D. Standard Deviation
Answer» B. Mean Deviation
623.

A set ‘A’ is said to be a subset of a set B if every element of A is

A. Also an element of A
B. Also an element of B
C. Not an element of B
D. Not an element of A
Answer» C. Not an element of B
624.

………………. satisfies the eqn x +y +1 = 0

A. (x = 0 , y = 0 )
B. ( x = 1, y = - 2 )
C. ( x= 0 , y = 1)
D. (x = -2, y = 2)
Answer» C. ( x= 0 , y = 1)
625.

Sum of n terms of a G.P is given by where r is

A. Greater than 1
B. Equal to 1
C. Less than 1
D. Numerically greater than 1
Answer» E.
626.

The sum of the value of 1,2,………………20 is

A. 500
B. 210
C. 420
D. 520
Answer» C. 420
627.

Compound interest for Rs 25,000/-at the rate of 12% p a for 5years is

A. 17623
B. 44058
C. 19058
D. 15000
Answer» D. 15000
628.

The standard deviation of 10,16,10,16,10,10,16,16

A. 4
B. 6
C. 3
Answer» D.
629.

In a rail accident the appropriate method of data collection is

A. Personal enquiry
B. Indirect oral investigation
C. Direct Interview
D. All these
Answer» C. Direct Interview
630.

R(x) ==C(x) denotes

A. Profit function
B. Market equilibrium
C. BEP
D. None
Answer» D. None
631.

Length of a class is

A. The difference between the UCB and LCB of that class
B. The difference between the UCL and LCL of that class
C. or b)
D. Both a) & d)
Answer» B. The difference between the UCL and LCL of that class
632.

The sum of two matrices is a matrix obtained by adding ………………... elements of the givenmatrices

A. Corresponding
B. Opposite
C. Same
D. none
Answer» B. Opposite
633.

Which is not a measure of variation

A. Range
B. Quaratile Deviation
C. Standard deviation
D. Mode
Answer» E.
634.

The formula used for finding the roots of a quadratics eqn is known as

A. Completing the square
B. Factoring
C. Quadratic formula
D. none
Answer» D. none
635.

If 2, x , 8 are the successive terms of a GP.the value of x is

A. 5
B. 4
C. -4
D. ± 4
Answer» E.
636.

The best average for constructing an Index number is

A. Arithmetic mean
B. Harmonic mean
C. Geometric mean
D. Weighted mean
Answer» D. Weighted mean
637.

The formula p (1+r/100)n gives ……….

A. The sum at the end of n year
B. CI at the end of n years
C. Present value
D. None
Answer» B. CI at the end of n years
638.

A square matrix in which elements in the diagonal are1 and rest is all zero is called

A. Diagonal matrix
B. Zero matrix
C. Identity matrix
D. none
Answer» D. none
639.

The time period after which the interest is added each time to form a new principle is called

A. Normal period
B. Semi annual period
C. Conversion period
D. None
Answer» D. None
640.

A frequency distribution can be

A. Dicrete
B. Continuous
C. Neither
D. Either
Answer» E.
641.

A set with no elements is a

A. Null set
B. Finite set
C. Infinite set
D. None
Answer» B. Finite set
642.

Two finite sets A and B are said to be equivalent set if cardinality of both sets are

A. Equal
B. Not equal
C. Similar
D. none
Answer» B. Not equal
643.

The sum at the end of 4 years for Rs 100 at 10% p a C I payable quarterly is

A. 100(1.1)3
B. 100(1.025)4
C. 100(1.025)16
D. 100(1.1)4
Answer» D. 100(1.1)4
644.

Elimination by judicious multiplication is the other commonly used method to solve

A. Simultaneous eqn
B. Linear eqn
C. Simultaneous linear eqn
D. none
Answer» D. none
645.

A quadratic eqn with real (or) complex coefficients has 2 solutions called

A. Roots
B. Eqn
C. Formula
D. None
Answer» B. Eqn
646.

In chronological classification data are classified on the basis of

A. Attributes
B. Class intervals
C. Time
D. area
Answer» D. area
647.

…………… Index number is called ideal Index number

A. Kelley’s
B. Paasche’s
C. Laspeyer’s
D. Fisher’s
Answer» E.
648.

Cumulative frequency only refers to the

A. Less than type
B. More than type
C. Both
D. None
Answer» D. None
649.

Pictograms are shown by

A. Dots
B. Lines
C. Cirlces
D. Pictures
Answer» E.
650.

Which method is also known as tabular method

A. Roster method
B. Set builder form
C. Both a and b
D. None
Answer» B. Set builder form