At which of the following stage(s), the degeneracy do not occur in transportation problem?

(m, n represents number of sources and destinations respectively)

(a) While the values of dual variables ui and vj cannot be computed.

(b) While obtaining an initial solution, we may have less than m + n -1 allocations.

(c) At any stage while moving towards optimal solution, when two or more occupied cells with the same minimum allocation become unoccupied simultaneously.

(d) At a stage when the no. of +ve allocation is exactly m + n - 1.

(1) (a), (b) and (c)

(2) (a), (c) and (d)

(3) (a) and (d)

(4) (a), (b), (c) and (d) 

1 Answer

Answer :

(3) (a) and (d) 

Related questions

Description : A basic feasible solution to a m-origin, n-destination transportation problem is said to be ................... if the number of positive allocations are less than m + n – 1. (A) degenerate (B) non-degenerate (C) unbounded (D) unbalanced 

Last Answer : (A) degenerate

Description : The allocated cells in the transportation table are called .............................. a. Occupied cells b. Empty cells c. Unoccupied cells d. None of these

Last Answer : a. Occupied cells

Description : The solution to a transportation problem with ‘m’ rows and ‘n’ columns is feasible if the number of positive allocations are: a. m + n b. m x n c. m +n – 1 d. m +n + 1

Last Answer : c. m +n – 1

Description : With respect to a loop in the transportation table, which one of the following is not correct? (1) Every loop has an odd no. of cells and at least 5. (2) Closed loops may or may not b square in ... starting cell, must be occupied cells. (4) Every loop has an even no. of cells and at least four.

Last Answer : Every loop has an odd no. of cells and at least 5.

Description : Consider a program that consists of 8 pages (from 0 to 7) and we have 4 page frames in the physical memory for the pages. The page reference string is :  1 2 3 2 5 6 3 4 6 3 7 3 1 5 3 6 3 4 2 4 3 4 5 ... to fill available page frames with pages): (A) 9 and 6 (B) 10 and 7 (C) 9 and 7 (D) 10 and 6

Last Answer : (B) 10 and 7

Description : If h* represents an estimate of the cost of getting from the current node N to the goal node and h represents actual cost of getting from current node to the goal node, then A* algorithm gives an optimal solution ... h* us equal to h (B) h* overestimates h (C) h* underestimates h (D) none of these

Last Answer : (C) h* underestimates h

Description : Initial feasible solution to a transportation problem arrived through which of the following method is very near to the optimal solution: a. NWCM b. LCM c. VAM d. None of these

Last Answer : c. VAM

Description : A linear programm A linear programming model CANNOT be used when whic ing model CANNOT be used when which of the followin h of the following are true? g are true? a)An optimal ... set of linear constraints may be defined d)Cross product relationships exist between two or more decision variables

Last Answer : d)Cross product relationships exist between two or more decision variables

Description : The total transportation cost in an initial basic feasible solution to the following transportation problem using Vogel’s Approximation method is  (A) 76 (B) 80 (C) 90 (D) 96

Last Answer : (B) 80

Description : Consider the following transportation problem: The initial basic feasible solution of the above transportation problem using Vogel's Approximation Method(VAM) is given below: The solution of the ... degenerate solution (B) is optimum solution (C) needs to improve (D) is infeasible solution

Last Answer : (B) is optimum solution

Description : Consider the following transportation problem :  The transportation cost in the initial basic feasible solution of the above transportation problem using Vogel’s Approximation method is : (A) 1450 (B) 1465 (C) 1480 (D) 1520

Last Answer : (B) 1465

Description : Which of the following conditions does not hold good for a solution to a critical section problem ? (A) No assumptions may be made about speeds or the number of CPUs. (B) No two processes ... critical section may block other processes. (D) Processes do not wait forever to enter its critical section.

Last Answer : (C) Processes running outside its critical section may block other processes. 

Description : Let P(m,n) be the statement m divides n where the Universe of discourse for both the variables is the set of positive integers. Determine the truth values of the following propositions. (a) ∃m ∀n P(m,n) (b) ∀n P(1,n) ( ... -False (C) (a)-False; (b)-False; (c)-False (D) (a)-True; (b)-True; (c)-True

Last Answer : Answer: A

Description : Which of the following is a characteristic of a dual problem: a. Dual of a dual is primal b. If dual has a finite optimal solution, then the primal also has finite optimal solution c. If dual has no feasible solution, then the primal also has no feasible solution d. All of the above

Last Answer : d. All of the above

Description : The initial basic feasible solution of the following transportion problem : then the minimum cost is (A) 76 (B) 78 (C) 80 (D) 82

Last Answer : (A) 76

Description : Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is: A. 1: 2 B. 4 : 3 C. 7 : 8 D. 3 : 4 E. none of these

Last Answer : Answer- B (4:3) Explanation: Let us name the trains as A and B. Then, trick formula (A’s speed) : (B’s speed) = square root of b : square-root of a =square-root of 16 : square-root of 9 = 4 : 3.

Description : In a queue, the initial values of front pointer f rare pointer r should be ….. and …….. respectively. A) 0 and 1 B) 0 and -1 C) -1 and 0 D) 1 and 0

Last Answer : B) 0 and -1

Description : Consider a disk queue with request for input/output to block on cylinders  98, 183, 37, 122, 14, 124, 65, 67  in that order. Assume that disk head is initially positioned at cylinder 53 and moving ... and 252 cylinders (B) 640 and 236 cylinders (C) 235 and 640 cylinders (D) 235 and 252 cylinders

Last Answer : Answer: 236 and 208 cylinders Explanation: SSTF Initial head position =53 The closest queue to initial head position=65 head moves from 53 to 65=12 head moves from 65 to 67=2 head moves from 67 ... 122=24 head moves from 122 to 124=2 head moves from 124 to 183=59 Total head movement=208 

Description : Given a Non-deterministic Finite Automation (NFA) with states p and r as initial and final states respectively transition table as given below  The minimum number of states required in Deterministic Finite Automation (DFA) equivalent to NFA is (A) 5 (B) 4 (C) 3 (D) 2

Last Answer : (C) 3 

Description : Which of the following statements is not true about disk-arm scheduling algorithms ? (A) SSTF (shortest seek time first) algorithm increases performance of FCFS. (B) The number of requests for disk ... arm movements. (D) SCAN and C-SCAN algorithms are less likely to have a starvation problem.

Last Answer : (B) The number of requests for disk service are not influenced by file allocation method.

Description : If the primal Linear Programming problem has unbounded solution, then it’s dual problem will have (A) feasible solution (B) alternative solution (C) no feasible solution at all (D) no bounded solution at all 

Last Answer : (C) no feasible solution at all

Description : A rolling plan refer to a plan which? (A) Does not change it target every year (B) Changes its allocation every year (C) Changes its allocations and target every year (D) Changes only its target every year

Last Answer : (C) Changes its allocations and target every year

Description : A rolling plan refer to a plan which? (A) Does not change it target every year (B) Changes its allocation every year (C) Changes its allocations and target every year (D) Changes only its target every year

Last Answer : (C) Changes its allocations and target every year

Description : A rolling plan refer to a plan which? A. does not change it target every year B. changes its allocation every year C. changes its allocations and target every year D. changes only its target every year E. None of these

Last Answer : C. changes its allocations and target every year

Description : In constraint satisfaction problem, constraints can be stated as . (A) Arithmatic equations and inequalities that bind the values of variables (B) Arithmatic equations and inequalities ... impose restrictions over variables (D) Arithmatic equations that discard constraints over the given variables

Last Answer : (A) Arithmatic equations and inequalities that bind the values of variables

Description : The rule of Universal Instantiation (UI for short) says that we can infer any sentence obtained by substituting a ground term (a term without variables) for the variable. a) True b) False

Last Answer : a) True

Description : Some of the situations where inline expansion may not work are: A) For functions returning values, if a loop, a switch or goto exists. B) If functions contain static variables and they are re-cursive. C) For functions not returning values, if return statement exist. D) All of the above.

Last Answer : D) All of the above.

Description : On AC vessels, which of the following statements represents the most difficult problem involved in obtaining a DC potential suitable for use by computer components? A. A stepdown transformer is ... voltage must be rectified and made ripple free. D. Rectifiers cannot operate with voltage regulators.

Last Answer : Answer: C

Description : A solution to a problem is a path from the initial state to a goal state. Solution quality is measured by the path cost function, and an optimal solution has the highest path cost among all solutions. a) True b) False

Last Answer : a) True

Description : An artificial neurons receives n inputs x1, x2,...,xn with weights w1,w2,...,wn attached to the input links. The weighted sum ............... is computed to be passed on to a non-linear filter ϕ called activation function to release the output. (A) Σ wi (B) Σ xi (C) Σ wi + Σ xi (D) Σ wi . Σ xi

Last Answer : (D) Σ wi . Σ xi

Description : LPP is exactly used in solving what kind of resource allocation problems? a. Production planning and scheduling b. Transportation c. Sales and advertising d. All of the above

Last Answer : d. All of the above

Description : A specific editor has 200 K of program text, 15 K of initial stack, 50 K of initialized data, and 70 K of bootstrap code. If five editors are started simultaneously, how much physical memory is needed if shared text is used ? (A) 1135 K (B) 335 K (C) 1065 K (D) 320 K

Last Answer : (B) 335 K

Description : The following transportation problem:  The above solution of a given transportation problem is (A) infeasible solution (B) optimum solution (C) non-optimum solution (D) unbounded solution

Last Answer : (B) optimum solution

Description : Consider a system having ‘m’ resources of the same type. These resources are shared by three processes P1, P2 and P3 which have peak demands of 2, 5 and 7 resources respectively. For what value of ‘m’ deadlock will not occur? (A) 70 (B) 14 (C) 13 (D) 7

Last Answer : (B) 14

Description : Consider the following statements : (a) Boolean expressions and logic networks correspond to labelled acyclic digraphs. (b) Optimal Boolean expressions may not correspond to simplest networks. (c) Choosing essential blocks first in a Karnaugh map ... (b) only (C) (a) and (b) (D) (a), (b) and (c)

Last Answer : (D) (a), (b) and (c) 

Description : A horn clause is ...................... (A) A clause in which no variables occur in the expression (B) A clause that has at least one negative literal (C) A disjunction of a number of literals (D) A clause that has at most one positive literal

Last Answer : (D) A clause that has at most one positive literal 

Description : In 3G network, W-CDMA is also known as UMTS. The minimum spectrum allocation required for W-CDMA is .......... (1) 2 MHz (2) 20 KHz (3) 5 KHz (4) 5 MHz

Last Answer : Answer: 4

Description : A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed

Last Answer : (A) 448

Description : If m and n are int type variables, what will be the result of the expression m% n when m=5 and n=2 ? A) 0 B) 1 C) 2 D) None of the above

Last Answer : B) 1

Description : If there are more than one optimal solutions for the decision variables, the solution is ........... a. Infeasible b. Unbounded c. Alternative d. None of these

Last Answer : c. Alternative

Description : Which of the following statements is false? (A) Optimal binary search tree construction can be performed efficiently using dynamic programming. (B) Breadth-first search cannot be used to find connected components of a graph. (C) ... used to find the components of a graph. (1) A (2) B (3) C (4) D 

Last Answer : Answer: 2

Description : In the Hungarian method for solving assignment problem, an optimal assignment requires that the maximum number of lines that can be drawn through squares with zero opportunity cost be equal to the number of: (A) rows or columns (B) rows+columns (C) rows+columns-1 (D) rows+columns+1

Last Answer : (A) rows or columns

Description : At any iteration of simplex method, if Δj (Zj – Cj) corresponding to any nonbasic variable Xj is obtained as zero, the solution under the test is (A) Degenerate solution (B) Unbounded solution (C) Alternative solution (D) Optimal solution

Last Answer : (C) Alternative solution

Description : Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

Description : A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to ... final pressures respectively) (A) Logarithmic (B) Arithmetic (C) Geometric (D) Harmonic

Last Answer : (C) Geometric

Description : Initial feasible solution to a transportation Problem can be found out by ......................... a. VAM b. MODI Method c. Both a and b d. None of these

Last Answer : a. VAM

Description : A basic solution which also satisfies the condition in which all basic variables are non-negative is called ___ a. Basic feasible solution b. Feasible solution c. Optimal solution d. None of the above

Last Answer : a. Basic feasible solution

Description : 65. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the LPP is called as _______ a. Optimal solution b. Non-basic variables c. Solution d. Basic Feasible solution

Last Answer : a. Optimal solution