Engineering Questions
409 solved questions with detailed explanations
Q.29. Two blocks (P and Q) with respectively masses 2 kg and 1.5 kg are joined by a massless thread. These blocks are mounted on a frictionless pulley which is fixed on the edge of a cube (S), as show
Q.43. A large drum having radius R is spinning around its axis with angular velocity , as shown in figure. The minimum value of so that a body of mass M remains stuck to the inner wall of the drum, t
Q.60. Given below are two statements : Statement-I : Presence of large number of unpaired electrons in transition metal atoms results in higher enthalpies of their atomisation. Statement-II : and ar
Q.55. Arrange the following isothermal processes in order of the magnitude of the work (p - V) involved between states 1 and 2. A. Expansion in single stage wA B. Expansion in multi stages wB C. Compr
Q.9. A bag contains 6 blue and 6 green balls. Pairs of balls are drawn without replacement until the bag is empty. The probability that each drawn pair consists of one blue and one green ball is :
Q.26. The density of a uniform cylinder is determined by measuring its mass , length and diameter . The measured values of and are , and , respectively. Calculated percentage fractional error in
Q.64. The total number of aromatic compounds/species from the following is [Figure: Six chemical structures]
Q.4. The sum of all possible values of , for which the system of equations : has a non-trivial solution, is equal to :
Q.65. The following structures are [Figure: Two organic molecules, RS1 and RS2, are shown. RS1 is 1-bromo-1-chloro-2,2-dimethylcyclopropane. RS2 is 1-bromo-1-chloro-2,2-dimethylcyclopropane, but drawn
Q.59. Pairs of elements with the same number of electrons in their respective 4f orbital are [Atomic number, Eu-63, Gd-64, Dy-66, Ho-67, Tm-69, Yb-70, Lu-71, Hf-72] A. (Eu and Gd) B. (Dy and Ho) C. (Y