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- Question 1 of 16
##### 1. Question

Data for four jobs that need to be processed on a single machine are given below.

Job P Q R S

Processing time (days) 12 9 21 10

Due date (days) 20 40 30 19

All the four jobs are available at time zero. If the jobs are scheduled using the Earliest Due Date (EDD) algorithm, then the job with maximum tardiness isCorrectIncorrect - Question 2 of 16
##### 2. Question

Data for a plain milling operation are given below.

Length of workpiece 200 mm

Cutter diameter 100 mm

No. of teeth 4

Cutter speed 100 rpm

Feed 200 mm/min

Depth of cut 2 mm

Total clearance (entry and exit) 5mm

Mean undeformed chip thickness (in microns) isCorrectIncorrect - Question 3 of 16
##### 3. Question

Data for a plain milling operation are given below.

Length of workpiece 200 mm

Cutter diameter 100 mm

No. of teeth 4

Cutter speed 100 rpm

Feed 200 mm/min

Depth of cut 2 mm

Total clearance (entry and exit) 5mm

Machining time for a single pass (in seconds) isCorrectIncorrect - Question 4 of 16
##### 4. Question

In an EDM process using RC relaxation circuit, a 12 mm diameter through hole is made in a steel plate of 50 mm thickness using a graphite tool and kerosene as dielectric. Assume discharge time to be negligible.

Machining is carried out under the following conditions:

Resistance 40 Ω

Capacitance 20 μF

Supply voltage 220 V

Discharge voltage 110 V

T he time for one cycle, in milliseconds, isCorrectIncorrect - Question 5 of 16
##### 5. Question

In an EDM process using RC relaxation circuit, a 12 mm diameter through hole is made in a steel plate of 50 mm thickness using a graphite tool and kerosene as dielectric. Assume discharge time to be negligible. Machining is carried out under the following conditions:

Resistance 40 Ω

Capacitance 20 μF

Supply voltage 220 V

Discharge voltage 110 VAverage power input (in kW) is

CorrectIncorrect - Question 6 of 16
##### 6. Question

In a particular year, an organization earns cash revenues of Rs. 2,00,000. Total material and labour expenses are Rs. 1,09,000. The depreciation claimed on the equipment is Rs. 25,000. The tax rate is 20%.The profit after tax (PAT) is

CorrectIncorrect - Question 7 of 16
##### 7. Question

In a particular year, an organization earns cash revenues of Rs. 2,00,000. Total material and labour expenses are Rs. 1,09,000. The depreciation claimed on the equipment is Rs. 25,000. The tax rate is 20%.The net cash flow is

CorrectIncorrect - Question 8 of 16
##### 8. Question

The system of equations, given below, has

x+2y+4z = 2,4x+3y+z = 5,3x+2y+3z = 1

CorrectIncorrect - Question 9 of 16
##### 9. Question

A metallic sphere of 0.1 m diameter has a thermal conductivity of 10 W/m-K. If the fluid flowing around it has a heat transfer coefficient of 10 W/m2-K and thermal conductivity of 0.4 W/m-K, the value of Biot number is (read m2 as m to the power 2)

CorrectIncorrect - Question 10 of 16
##### 10. Question

A quantitative measure of maintainability is

CorrectIncorrect - Question 11 of 16
##### 11. Question

Which one of the following techniques is used to analyze the cause and effect of product failure?

CorrectIncorrect - Question 12 of 16
##### 12. Question

As the product passes through different stages of product life cycle, the product variety

CorrectIncorrect - Question 13 of 16
##### 13. Question

A machine has been purchased for Rs.100,000 and its useful life is estimated to be 10 years. Its scrap value at the end of 10 years is estimated as Rs.20,000. If the depreciation is determined using the declining balance method, the value of depreciation (in Rs.) during the first year is

CorrectIncorrect - Question 14 of 16
##### 14. Question

A company wants to determine the proportion of time workers are idle. In a pilot study, the proportion of idle time was found to be 0.16. If the company wants to be 95% confident (z-value = 1.96) that the estimated value is within 0.03 of the true proportion, the number of observations required in the study should be

CorrectIncorrect - Question 15 of 16
##### 15. Question

A manufacturing plant, working in 2 shifts of 8 hrs each, produces 30,000 switch boards using a set of 7 workstations in series. The cycle time, in seconds, is

CorrectIncorrect - Question 16 of 16
##### 16. Question

A simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were determined to be 80 and 12, respectively. The standard error of mean is

CorrectIncorrect