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Guide for CPCB Scientist B

Quiz CPCB Scientist B

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/ 10

Quiz

1/10
Chemical Engineering
In the design of a reactive distillation column integrating reaction and separation, which factor is most critical for optimizing both conversion and separation efficiency?
Select the answer
1 correct answer
A.
Reflux Ratio
B.
Catalyst Activity
C.
Reaction Temperature Profile
D.
Feed Composition

Quiz

2/10
Chemistry
In environmental analysis using GC-MS, which component is primarily responsible for analyte ionization and fragmentation that enables molecular identification?
Select the answer
1 correct answer
A.
Gas Chromatograph Column
B.
Ion Source
C.
Mass Analyzer
D.
Detector

Quiz

3/10
Civil Engineering
Which of the following methods is most effective in mitigating thermal cracking in concrete structures exposed to cyclic temperature variations?
Select the answer
1 correct answer
A.
Using a high water-to-cement ratio
B.
Adding reinforcing fibers
C.
Installing expansion joints
D.
Increasing the aggregate size

Quiz

4/10
Computer Science/ Information Technology
Which object-oriented programming concept allows a subclass to provide its own implementation of a method defined in its superclass?
Select the answer
1 correct answer
A.
Encapsulation
B.
Inheritance
C.
Polymorphism
D.
Abstraction

Quiz

5/10
Electrical
Which of the following is the principle underlying the operation of electrical transformers?
Select the answer
1 correct answer
A.
Joule Heating
B.
Coulomb's Law
C.
Electromagnetic Induction
D.
Capacitance

Quiz

6/10
Electronics and Communications
Which modulation scheme is known to provide higher spectral efficiency by simultaneously varying both amplitude and phase of the carrier signal?
Select the answer
1 correct answer
A.
Amplitude Modulation (AM)
B.
Frequency Modulation (FM)
C.
Quadrature Amplitude Modulation (QAM)
D.
Phase Modulation (PM)

Quiz

7/10
Electronics and Instrumentation
Which component is primarily used for accurate temperature measurement in instrumentation systems?
Select the answer
1 correct answer
A.
Thermocouple
B.
Diode
C.
Resistor
D.
Transistor

Quiz

8/10
Chemical Engineering
In chemical reaction engineering, a plug flow reactor (PFR) differs from a continuous stirred-tank reactor (CSTR) primarily in which aspect?
Select the answer
1 correct answer
A.
Temperature Gradient Distribution
B.
Reactant Concentration Profile
C.
Catalyst Support Configuration
D.
Pressure Drop Characteristics

Quiz

9/10
Chemistry
In the context of environmental remediation, advanced oxidation processes (AOPs) are utilized for degrading organic pollutants. Which species is chiefly responsible for this oxidative degradation?
Select the answer
1 correct answer
A.
Hydroxyl Radicals
B.
Superoxide Radicals
C.
Nitric Oxide Radicals
D.
Chlorine Radicals

Quiz

10/10
Civil Engineering
In sustainable urban drainage systems, which technique best minimizes pollutant loads in runoff water during heavy rainfall?
Select the answer
1 correct answer
A.
Direct discharge into receiving waters
B.
Constructing retention basins
C.
Channelizing flow for rapid runoff
D.
Employing impervious surface materials
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Info quiz:

  • Quiz name:CPCB Scientist B
  • Total number of questions:350
  • Number of questions for the test:50
  • Pass score:70%
  • Number of topics:7 Topics
Study topics:Number of questions:
  • Chemical Engineering:50 Questions
  • Chemistry:50 Questions
  • Civil Engineering:50 Questions
  • Computer Science/ Information Technology:50 Questions
  • Electrical:50 Questions
  • Electronics and Communications:50 Questions
  • Electronics and Instrumentation:50 Questions

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