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This mock test of Industrial Engineering - 1 for GATE helps you for every GATE entrance exam.
This contains 15 Multiple Choice Questions for GATE Industrial Engineering - 1 (mcq) to study with solutions a complete question bank.
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QUESTION: 1

A work centre operates 6 days per week on a two-shift-per-day basis (8 hours per shift) and has four machines with the same capability. If the machines are utilized 75% of the time at a system efficiency of 90%, what s the rated output in standard hours per week?

Solution:

Rated capacity = (number of machines) × (machine hours) × (% of utilization) × (system efficiently) = (4)(8 × 6 × 20)(0.75)(0.9) = 259 standard hr/week

QUESTION: 2

Consider the following characteristics of robot: A. The top of the robot arm moves form one point to another in between the path not being defined.

B. It can be used for drilling holes at different points in a work piece.

C. It can be used for V-butt joint welding between two points.

D. The memory capacity required for its control unit is low.

Which of these characteristics are associated with a point-to-point robot?

Solution:

QUESTION: 3

The product variety is height in the following production system

Solution:

Product variety is high in job shop production The product variety is high in job shop production

QUESTION: 4

Consider the project shown in the figure below form the possible sequence of start to the finish. Find the critical path.

Solution:

The project is having five different sequences out of that the sequence in the option C, which gives the highest path value i.e., 16. Hence, from the definition of the critical path – the longest distance covered by any path. We have chosen the value 16.

QUESTION: 5

In the linear programming model, the objective and the constraint coefficients are deterministic implies that all the constraints are know. This is the property of

Solution:

All the objective and constraint coefficients of the LP module are deterministic. This means that they are known constraints a rare occurrence in real life and it is called CERTAINITY

QUESTION: 6

Three plants (A, B and C) of a company produce an item that is shipped to four warehouses (D, E, F and G). An item, not shipped to any warehouse, has to be destroyed at a cost to the company. Table below shows the plant availabilities, the warehouse demands, and the unit transpiration costs for a given plant to a given warehouse. Find the optimal cost.

Solution:

*Answer can only contain numeric values

QUESTION: 7

Trains arrive at the yard every 15 minutes and the service time is 33 minutes. If the line capacity of the yard is limited to 4 trains, find the average number of trains in the system.

Solution:

QUESTION: 8

Buyers products company distributes an item known as a tie bar, which is a U-bolt used on truck equipment. The following data have been collected for this item held in inventory.

Monthly demand forecast, d = 11,107 units

Standard error of forecast = 3,099 units

Replenishment lead time, LT = 1.5 months

Item value, C = $ 0.11/unit

Cost for processing vendor order, S = $ 10/order

Carrying cost, I = 20%/year

In-stock probability during lead time,

P = 75% Find the reorder level

Solution:

QUESTION: 9

Maximize z = 3x_{1} + 9x_{2}

Subject to:

Which of the following is true for above problem?

Solution:

QUESTION: 10

A small maintenance project consists of the following 10 jobs, whose precedence, relationships are identified by their node numbers:

Q.

What is the earliest and latest start and finish times for job F?

Solution:

QUESTION: 11

A small maintenance project consists of the following 10 jobs, whose precedence, relationships are identified by their node numbers:

Q.

Find the critical path of the network

Solution:

QUESTION: 12

In the manufacturing firm the operators re-assigned with each one of the machine. The cost for assigning each machine is depicted in the following table.

Q.

What is the optimal schedule?

Solution:

QUESTION: 13

In the manufacturing firm the operators re-assigned with each one of the machine. The cost for assigning each machine is depicted in the following table.

Q.

The optimum cost that we can assign is

Solution:

QUESTION: 14

The moving-average forecast and the actual demand for a hospital drug are shown in table. Then find the tracking signal using this

Solution:

QUESTION: 15

Project planners have sought the judgment of various knowledgeable engineers, foreman, and vendors and have developed the time estimate shown below in network diagram. (Time estimates are in months). What is the probability at the project will be finished within 4 years?

Solution:

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