Engineering & Architecture Admissions

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Q. In an isothermal process, the change in internal energy is:
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the system
Q. In an isothermal process, the change in internal energy of an ideal gas is:
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the amount of gas
Q. In an isothermal process, the internal energy of an ideal gas:
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on the amount of gas
Q. In an isothermal process, the temperature of the system remains constant. What is the work done by the gas during expansion?
  • A. Zero
  • B. nRT ln(Vf/Vi)
  • C. nRT (Vf - Vi)
  • D. nR (Tf - Ti)
Q. In an isothermal process, the temperature of the system remains constant. What is the work done by the gas?
  • A. Zero
  • B. nRT ln(Vf/Vi)
  • C. nRT
  • D. nR(Tf - Ti)
Q. In an isothermal process, the temperature of the system:
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Varies linearly
Q. In an isothermal process, which of the following remains constant?
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Number of moles
Q. In an RL circuit, what is the time constant τ defined as?
  • A. L/R
  • B. R/L
  • C. LR
  • D. 1/(LR)
Q. In an RL circuit, what is the time constant τ?
  • A. L/R
  • B. R/L
  • C. LR
  • D. 1/(LR)
Q. In an RLC circuit, if the resistance is increased while keeping the inductance and capacitance constant, what happens to the bandwidth?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In an RLC circuit, what is the condition for resonance?
  • A. XL = XC
  • B. R = 0
  • C. L = C
  • D. f = 0
Q. In an RLC series circuit, if the resistance is increased while keeping the inductance and capacitance constant, what happens to the quality factor (Q)?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In an RLC series circuit, what is the condition for resonance?
  • A. XL = XC
  • B. R = 0
  • C. XL > XC
  • D. R > XL
Q. In beta decay, which particle is emitted from the nucleus?
  • A. Alpha particle
  • B. Beta particle
  • C. Gamma ray
  • D. Neutron
Q. In Biot-Savart Law, what does the term 'dL' represent?
  • A. Element of current
  • B. Element of length
  • C. Element of magnetic field
  • D. Element of charge
Q. In digital communication, what does the term 'bit rate' refer to?
  • A. The number of bits transmitted per second
  • B. The number of bits stored in a device
  • C. The number of bits in a signal
  • D. The number of bits required for modulation
Q. In double-slit diffraction, what is the effect of increasing the distance between the slits on the fringe width?
  • A. Fringe width increases
  • B. Fringe width decreases
  • C. Fringe width remains constant
  • D. Fringe width becomes zero
Q. In double-slit diffraction, what is the path difference for constructive interference at the first order maximum?
  • A. λ/2
  • B. λ
  • C.
  • D.
Q. In electrochemistry, what does the term 'reduction' refer to?
  • A. Loss of electrons
  • B. Gain of electrons
  • C. Loss of protons
  • D. Gain of protons
Q. In electromagnetic induction, what is the role of the changing magnetic field?
  • A. It creates a static electric field
  • B. It induces a current in a conductor
  • C. It has no effect
  • D. It increases resistance
Q. In electrostatics, what is the significance of equipotential surfaces?
  • A. They are surfaces where electric field is zero
  • B. They are surfaces where potential is constant
  • C. They are surfaces where charge density is uniform
  • D. They are surfaces where current flows
Q. In forced oscillations, what is the effect of increasing the amplitude of the driving force?
  • A. Decreases the amplitude of oscillation
  • B. Increases the amplitude of oscillation
  • C. Has no effect on amplitude
  • D. Causes the system to stop oscillating
Q. In forced oscillations, what is the phase difference between the driving force and the displacement at resonance?
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 270 degrees
Q. In heat exchangers, which process is primarily utilized?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. All of the above
Q. In heat transfer, what does the term 'thermal resistance' refer to?
  • A. Resistance to heat flow
  • B. Resistance to electrical flow
  • C. Resistance to fluid flow
  • D. None of the above
Q. In how many ways can 3 boys and 2 girls be seated in a row?
  • A. 30
  • B. 60
  • C. 120
  • D. 24
Q. In how many ways can 3 different colored balls be arranged in a line?
  • A. 6
  • B. 3
  • C. 9
  • D. 12
Q. In how many ways can 3 different colored balls be chosen from a set of 7?
  • A. 35
  • B. 21
  • C. 42
  • D. 56
Q. In how many ways can 3 men and 2 women be arranged in a line if the men must be together?
  • A. 60
  • B. 120
  • C. 30
  • D. 24
Q. In how many ways can 3 red balls and 2 blue balls be arranged in a row?
  • A. 10
  • B. 15
  • C. 20
  • D. 25
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