Technical MCQ & Objective Questions
In today's competitive educational landscape, mastering the "Technical" subject is crucial for students preparing for school and competitive exams. Practicing MCQs and objective questions not only enhances your understanding but also boosts your confidence in tackling important questions during exams. Engaging with practice questions helps solidify concepts, making it easier to score better in assessments.
What You Will Practise Here
Fundamental concepts of mechanics and thermodynamics
Key formulas related to electrical circuits and systems
Definitions of important technical terms and principles
Diagrams illustrating key technical processes and systems
Theory areas covering electronics and communication
Problem-solving techniques for technical applications
Analysis of case studies relevant to technical scenarios
Exam Relevance
The "Technical" subject is a significant component of various examinations, including CBSE, State Boards, NEET, and JEE. Questions often focus on applying theoretical knowledge to practical situations, with common patterns including multiple-choice questions that test both conceptual understanding and problem-solving skills. Familiarity with these patterns through practice can greatly enhance your exam performance.
Common Mistakes Students Make
Misinterpreting technical terms and definitions
Overlooking the importance of units and conversions in calculations
Failing to apply theoretical concepts to practical problems
Rushing through diagrams without understanding their significance
FAQs
Question: How can I improve my performance in Technical MCQs?Answer: Regular practice with objective questions and understanding the underlying concepts will significantly enhance your performance.
Question: Are there specific resources for Technical objective questions with answers?Answer: Yes, many educational platforms, including SoulShift, provide curated practice questions tailored for exam preparation.
Don't wait any longer! Start solving practice MCQs today to test your understanding and prepare effectively for your exams. Your success in mastering "Technical" concepts is just a question away!
Q. In a series RLC circuit, what happens when the damping ratio is less than 1?
A.
The circuit is overdamped
B.
The circuit is critically damped
C.
The circuit is underdamped
D.
The circuit is unstable
Show solution
Solution
When the damping ratio (ζ) is less than 1 in a series RLC circuit, the circuit is considered underdamped, leading to oscillatory behavior.
Correct Answer:
C
— The circuit is underdamped
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Q. In a series-parallel circuit, how does a BJT operate when used as a switch?
A.
In cutoff mode, it conducts current
B.
In saturation mode, it blocks current
C.
In saturation mode, it conducts current
D.
In active mode, it blocks current
Show solution
Solution
A BJT operates in saturation mode to allow maximum current flow, effectively acting as a closed switch.
Correct Answer:
C
— In saturation mode, it conducts current
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Q. In a series-parallel circuit, what is the effect of connecting multiple diodes in parallel?
A.
Increases total voltage
B.
Increases total current capacity
C.
Decreases total current capacity
D.
Has no effect on current
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Solution
Connecting multiple diodes in parallel increases the total current capacity of the circuit.
Correct Answer:
B
— Increases total current capacity
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Q. In a shift register, what does the term 'clock pulse' refer to?
A.
The speed of data transfer
B.
The timing signal that controls shifting
C.
The amount of data stored
D.
The type of shift register
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Solution
A clock pulse is a timing signal that controls when the data is shifted in a shift register.
Correct Answer:
B
— The timing signal that controls shifting
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Q. In a small-signal model of a parallel circuit, how are the components represented?
A.
As linear elements only
B.
As nonlinear elements only
C.
As a combination of linear and nonlinear elements
D.
As ideal voltage sources
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Solution
In a small-signal model, components are typically represented as linear elements to simplify analysis around a bias point.
Correct Answer:
A
— As linear elements only
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Q. In a small-signal model of a parallel circuit, the output voltage is:
A.
The same as the input voltage
B.
Dependent on the load
C.
Always zero
D.
Equal to the sum of the input voltages
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Solution
In a small-signal model, the output voltage is dependent on the load and the configuration of the circuit.
Correct Answer:
B
— Dependent on the load
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Q. In a small-signal model, how is a capacitor typically represented?
A.
As an open circuit
B.
As a short circuit
C.
As a resistor
D.
As a dependent source
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Solution
In small-signal models, capacitors are often represented as short circuits at high frequencies.
Correct Answer:
B
— As a short circuit
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Q. In a small-signal model, how is the output voltage related to the input voltage in an RL circuit?
A.
Output voltage is always greater than input voltage
B.
Output voltage is always less than input voltage
C.
Output voltage can be greater or less depending on the circuit configuration
D.
Output voltage is independent of input voltage
Show solution
Solution
In a small-signal model, the output voltage can vary based on the circuit configuration and the values of R and L.
Correct Answer:
C
— Output voltage can be greater or less depending on the circuit configuration
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Q. In a small-signal model, what does the output voltage of an op-amp depend on?
A.
Input voltage and feedback
B.
Only input voltage
C.
Only feedback
D.
Power supply voltage
Show solution
Solution
In a small-signal model, the output voltage of an op-amp depends on both the input voltage and the feedback configuration.
Correct Answer:
A
— Input voltage and feedback
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Q. In a small-signal model, what does the transconductance (gm) of a BJT represent?
A.
The input resistance
B.
The output resistance
C.
The change in output current per change in input voltage
D.
The change in input current per change in output voltage
Show solution
Solution
Transconductance (gm) indicates how much the output current changes in response to a change in input voltage.
Correct Answer:
C
— The change in output current per change in input voltage
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Q. In a small-signal model, what does the transconductance (gm) represent?
A.
The change in output voltage per change in input current
B.
The change in output current per change in input voltage
C.
The change in input voltage per change in output current
D.
The change in input current per change in output voltage
Show solution
Solution
Transconductance (gm) represents the change in output current per change in input voltage in a small-signal model.
Correct Answer:
B
— The change in output current per change in input voltage
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Q. In a star schema, what do the fact tables contain?
A.
Dimension attributes
B.
Aggregated data
C.
Transactional data
D.
Metadata
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Solution
Fact tables in a star schema contain transactional data that can be analyzed, often including measures and foreign keys to dimension tables.
Correct Answer:
C
— Transactional data
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Q. In a star schema, what do the fact tables represent?
A.
Dimensions of the data
B.
Aggregated data
C.
Transactional data
D.
Metadata
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Solution
Fact tables in a star schema represent transactional data, containing measurable, quantitative data for analysis.
Correct Answer:
C
— Transactional data
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Q. In a star schema, what type of table is the central fact table surrounded by?
A.
Dimension tables
B.
Normalization tables
C.
Transaction tables
D.
Index tables
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Solution
In a star schema, the central fact table is surrounded by dimension tables that provide context to the data.
Correct Answer:
A
— Dimension tables
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Q. In a star schema, what type of table is the central fact table?
A.
Dimension table
B.
Lookup table
C.
Aggregate table
D.
Fact table
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Solution
In a star schema, the central table is the fact table, which contains quantitative data for analysis.
Correct Answer:
D
— Fact table
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Q. In a step-up transformer, the number of turns in the primary coil is:
A.
Greater than the secondary coil
B.
Less than the secondary coil
C.
Equal to the secondary coil
D.
None of the above
Show solution
Solution
In a step-up transformer, the primary coil has fewer turns than the secondary coil.
Correct Answer:
B
— Less than the secondary coil
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Q. In a summing amplifier configuration, what is the role of the feedback resistor?
A.
To set the gain of the amplifier
B.
To provide stability
C.
To determine the input impedance
D.
To filter noise
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Solution
The feedback resistor in a summing amplifier sets the gain of the amplifier for the summed inputs.
Correct Answer:
A
— To set the gain of the amplifier
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Q. In a summing amplifier using an op-amp, what is the output voltage if the inputs are 2V and 3V with equal resistors?
A.
5V
B.
2.5V
C.
1V
D.
0V
Show solution
Solution
In a summing amplifier with equal resistors, the output voltage is the average of the inputs, which is 2.5V.
Correct Answer:
B
— 2.5V
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Q. In a T Flip-Flop, what does the T input control?
A.
The output state
B.
The clock frequency
C.
The reset condition
D.
The data input
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Solution
The T input in a T Flip-Flop controls whether the output state toggles or remains the same on each clock pulse.
Correct Answer:
A
— The output state
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Q. In a thyristor, what is the role of the gate terminal?
A.
To provide a path for current
B.
To control the turn-on of the device
C.
To dissipate heat
D.
To connect to the load
Show solution
Solution
The gate terminal is used to trigger the thyristor into conduction.
Correct Answer:
B
— To control the turn-on of the device
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Q. In a transformer, the turns ratio determines what?
A.
The efficiency of the transformer
B.
The frequency of the output signal
C.
The voltage transformation ratio
D.
The power rating of the transformer
Show solution
Solution
The turns ratio of a transformer determines the voltage transformation ratio.
Correct Answer:
C
— The voltage transformation ratio
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Q. In a transformer, what role does the inductor play?
A.
It converts AC to DC
B.
It stores energy
C.
It transfers energy between circuits
D.
It filters signals
Show solution
Solution
In a transformer, the inductor transfers energy between circuits through electromagnetic induction.
Correct Answer:
C
— It transfers energy between circuits
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Q. In a truth table, how many rows are there for a circuit with 3 inputs?
Show solution
Solution
A circuit with 3 inputs has 2^3 = 8 rows in its truth table.
Correct Answer:
C
— 8
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Q. In a truth table, how many rows does a 3-input logic gate have?
Show solution
Solution
A 3-input logic gate has 2^3 = 8 rows in its truth table.
Correct Answer:
C
— 8
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Q. In ADO.NET, which class is used to represent a connection to a database?
A.
SqlConnection
B.
SqlCommand
C.
SqlDataAdapter
D.
SqlDataReader
Show solution
Solution
SqlConnection class is used to establish a connection to a SQL Server database in ADO.NET.
Correct Answer:
A
— SqlConnection
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Q. In an astable multivibrator, what determines the frequency of oscillation?
A.
The resistor values only
B.
The capacitor value only
C.
Both resistor and capacitor values
D.
The power supply voltage
Show solution
Solution
The frequency of oscillation in an astable multivibrator is determined by both the resistor and capacitor values.
Correct Answer:
C
— Both resistor and capacitor values
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Q. In an Entity-Relationship (ER) model, what does a diamond shape represent?
A.
Entity
B.
Attribute
C.
Relationship
D.
Weak entity
Show solution
Solution
In an ER model, a diamond shape represents a relationship between entities.
Correct Answer:
C
— Relationship
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Q. In an Entity-Relationship (ER) model, what does an entity represent?
A.
A relationship between two tables
B.
A single piece of data
C.
A real-world object or concept
D.
A database transaction
Show solution
Solution
In an ER model, an entity represents a real-world object or concept that can have data stored about it.
Correct Answer:
C
— A real-world object or concept
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Q. In an ER diagram, how is a multi-valued attribute represented?
A.
As a rectangle
B.
As an oval
C.
As a double oval
D.
As a diamond
Show solution
Solution
A multi-valued attribute is represented as a double oval in an ER diagram.
Correct Answer:
C
— As a double oval
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Q. In an ER diagram, how is a primary key typically represented?
A.
Underlined text
B.
Bold text
C.
Italicized text
D.
In a different color
Show solution
Solution
A primary key is typically represented by underlined text in an ER diagram.
Correct Answer:
A
— Underlined text
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