Engineering Entrance

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Q. What is the functional group present in alcohols? (2023) 2023
  • A. Aldehyde
  • B. Ketone
  • C. Hydroxyl
  • D. Carboxylic acid
Q. What is the functional group present in phenols? (2021)
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the functional group present in phenols? (2021) 2021
  • A. -OH
  • B. -COOH
  • C. -CHO
  • D. -NH2
Q. What is the general formula for secondary amines? (2021) 2021
  • A. RNH2
  • B. R2NH
  • C. R3N
  • D. RNH
Q. What is the general formula for secondary amines? (2023)
  • A. RNH2
  • B. R2NH
  • C. R3N
  • D. RNH
Q. What is the general solution of the equation y' + 4y = 0?
  • A. y = Ce^(-4x)
  • B. y = Ce^(4x)
  • C. y = 4x + C
  • D. y = Cx^4
Q. What is the general solution of the equation y' = 4y + 3?
  • A. y = Ce^(4x) - 3/4
  • B. y = Ce^(4x) + 3/4
  • C. y = 3e^(4x)
  • D. y = Ce^(3x) + 4
Q. What is the general solution of the equation y'' - 3y' + 2y = 0?
  • A. y = C1 e^(x) + C2 e^(2x)
  • B. y = C1 e^(2x) + C2 e^(x)
  • C. y = C1 e^(3x) + C2 e^(0)
  • D. y = C1 e^(0) + C2 e^(3x)
Q. What is the general solution of the equation y'' - 4y' + 4y = 0?
  • A. y = (C1 + C2x)e^(2x)
  • B. y = C1 e^(2x) + C2 e^(-2x)
  • C. y = C1 e^(4x) + C2 e^(-4x)
  • D. y = C1 cos(2x) + C2 sin(2x)
Q. What is the geometry of a molecule with four bonding pairs and no lone pairs around the central atom? (2023)
  • A. Linear
  • B. Trigonal planar
  • C. Tetrahedral
  • D. Octahedral
Q. What is the geometry of a molecule with four bonding pairs and no lone pairs? (2023)
  • A. Linear
  • B. Trigonal planar
  • C. Tetrahedral
  • D. Octahedral
Q. What is the geometry of a molecule with two bonding pairs and no lone pairs on the central atom? (2023)
  • A. Linear
  • B. Trigonal planar
  • C. Tetrahedral
  • D. Bent
Q. What is the geometry of the complex ion [Ag(NH3)2]+? (2019) 2019
  • A. Tetrahedral
  • B. Square planar
  • C. Octahedral
  • D. Linear
Q. What is the gravitational field strength at a distance of 10 m from a mass of 100 kg? (G = 6.67 × 10^-11 N m²/kg²)
  • A. 6.67 × 10^-10 N/kg
  • B. 6.67 × 10^-9 N/kg
  • C. 6.67 × 10^-8 N/kg
  • D. 6.67 × 10^-7 N/kg
Q. What is the gravitational force acting on a 50 kg object at the surface of the Earth?
  • A. 490 N
  • B. 500 N
  • C. 510 N
  • D. 520 N
Q. What is the gravitational force acting on a 50 kg object on the surface of the Earth?
  • A. 490 N
  • B. 50 N
  • C. 5 N
  • D. 500 N
Q. What is the gravitational force between two 1 kg masses placed 1 meter apart? (G = 6.67 × 10^-11 N m²/kg²)
  • A. 6.67 × 10^-11 N
  • B. 1.67 × 10^-10 N
  • C. 6.67 × 10^-10 N
  • D. 0 N
Q. What is the gravitational force between two objects of mass 5 kg and 10 kg separated by a distance of 2 m? (G = 6.67 × 10^-11 N m²/kg²)
  • A. 1.67 × 10^-10 N
  • B. 1.25 × 10^-10 N
  • C. 1.00 × 10^-10 N
  • D. 2.00 × 10^-10 N
Q. What is the gravitational force between two objects of mass m1 and m2 separated by a distance r? (2021)
  • A. G * (m1 * m2) / r^2
  • B. G * (m1 + m2) / r^2
  • C. G * (m1 - m2) / r^2
  • D. G * (m1 * m2) * r^2
Q. What is the gravitational potential energy of a 10 kg mass at a height of 10 m?
  • A. 100 J
  • B. 200 J
  • C. 500 J
  • D. 1000 J
Q. What is the gravitational potential energy of a 10 kg mass at a height of 5 m? (2019)
  • A. 50 J
  • B. 100 J
  • C. 150 J
  • D. 200 J
Q. What is the gravitational potential energy of a 10 kg object at a height of 10 m?
  • A. 100 J
  • B. 200 J
  • C. 500 J
  • D. 1000 J
Q. What is the gravitational potential energy of a 10 kg object at a height of 5 m? (g = 9.8 m/s²)
  • A. 49 J
  • B. 98 J
  • C. 245 J
  • D. 490 J
Q. What is the gravitational potential energy of a 2 kg object at a height of 10 m? (2023)
  • A. 20 J
  • B. 15 J
  • C. 10 J
  • D. 25 J
Q. What is the gravitational potential energy of a 5 kg object at a height of 10 m?
  • A. 50 J
  • B. 100 J
  • C. 150 J
  • D. 200 J
Q. What is the group number of Alkali metals in the periodic table? (2023)
  • A. 1
  • B. 2
  • C. 3
  • D. 0
Q. What is the group number of Halogens in the periodic table? (2021)
  • A. 16
  • B. 17
  • C. 18
  • D. 15
Q. What is the heat required to raise the temperature of 2 kg of aluminum from 25°C to 75°C? (Specific heat of aluminum = 0.9 J/g°C) (2022)
  • A. 9000 J
  • B. 18000 J
  • C. 36000 J
  • D. 4500 J
Q. What is the hybridization of the central atom in [Ni(CO)4]? (2022)
  • A. sp
  • B. sp2
  • C. sp3
  • D. d2sp3
Q. What is the hybridization of the central metal ion in [Cr(NH3)6]3+? (2020) 2020
  • A. sp
  • B. sp2
  • C. d2sp3
  • D. dsp2
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